added es code

spring-boot/spring-boot-elasticsearch/.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

spring-boot/spring-boot-elasticsearch/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

spring-boot/spring-boot-elasticsearch/README.md

@@ -0,0 +1,3 @@
+# Related Blog Posts
+
+* [How to Configure Logging Behavior with Spring Boot](https://reflectoring.io/springboot-logging/)

spring-boot/spring-boot-elasticsearch/mvnw

@@ -0,0 +1,310 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

spring-boot/spring-boot-elasticsearch/mvnw.cmd

@@ -0,0 +1,182 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

spring-boot/spring-boot-elasticsearch/pom.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.3.6.RELEASE</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>io.pratik.elasticsearch</groupId>
+	<artifactId>productsearchapp</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>productsearchapp</name>
+	<description>Demo project for Elasticsearch with Spring Boot</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.data</groupId>
+			<artifactId>spring-data-elasticsearch</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.junit.vintage</groupId>
+					<artifactId>junit-vintage-engine</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/controllers/SearchController.java

@@ -0,0 +1,57 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.controllers;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.query.IndexQuery;
+import org.springframework.data.elasticsearch.core.query.IndexQueryBuilder;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.services.ProductSearchService;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@RestController
+@RequestMapping("/")
+@Slf4j
+public class SearchController {
+	
+	private  ProductSearchService searchService;
+
+	@Autowired
+	public SearchController(ProductSearchService searchService) { 
+	    this.searchService = searchService;
+	}
+	
+	@GetMapping("/products")
+	@ResponseBody
+	public List<Product> fetchByNameOrDesc(@RequestParam(value = "q", required = false) String query) {                         
+        log.info("searching by name {}",query);
+		List<Product> products = searchService.processSearch(query) ;
+	    log.info("products {}",products);
+		return products;
+	  }
+	
+	@GetMapping("/suggestions")
+	@ResponseBody
+	public List<String> fetchSuggestions(@RequestParam(value = "q", required = false) String query) {                         
+        log.info("fetch suggests {}",query);
+        List<String> suggests = searchService.fetchRecentSuggestions(query);
+        log.info("suggests {}",suggests);
+        return suggests;
+	  }
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/controllers/UIController.java

@@ -0,0 +1,51 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.controllers;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.services.SearchService;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Controller
+@Slf4j
+public class UIController {
+	
+	private  SearchService searchService;
+
+	@Autowired
+	public UIController(SearchService searchService) { 
+	    this.searchService = searchService;
+	}
+
+	@GetMapping("/search")
+    public String home(Model model) {
+		List<Product> products = searchService.fetchProductNamesContaining("Hornby");
+        
+		List<String> names = products.stream().flatMap(prod->{
+			return Stream.of(prod.getName());
+		}).collect(Collectors.toList());
+		log.info("product names {}", names);
+        model.addAttribute("names", names);
+        return "search";
+    }
+ 
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/models/Product.java

@@ -0,0 +1,51 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.models;
+
+import java.util.List;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.elasticsearch.annotations.Document;
+import org.springframework.data.elasticsearch.annotations.Field;
+import org.springframework.data.elasticsearch.annotations.FieldType;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Document(indexName = "productindex")
+public class Product {
+	@Id
+    private String id;
+	
+	@Field(type = FieldType.Text, name = "name")
+	private String name;
+	
+	@Field(type = FieldType.Double, name = "price")
+	private Double price;
+	
+	@Field(type = FieldType.Integer, name = "quantity")
+	private Integer quantity;
+	
+	@Field(type = FieldType.Keyword, name = "category")
+	private String category;
+	
+	@Field(type = FieldType.Text, name = "desc")
+	private String description;
+	
+	@Field(type = FieldType.Keyword, name = "manufacturer")
+	private String manufacturer;
+
+	
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/models/SearchSuggest.java

@@ -0,0 +1,41 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.models;
+
+import java.time.Instant;
+
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.elasticsearch.annotations.DateFormat;
+import org.springframework.data.elasticsearch.annotations.Document;
+import org.springframework.data.elasticsearch.annotations.Field;
+import org.springframework.data.elasticsearch.annotations.FieldType;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Document(indexName = "searchsuggest")
+public class SearchSuggest {
+	
+	@Id
+    private String id;
+	
+	@Field(type = FieldType.Text)
+	private String searchText;
+	
+	@CreatedDate
+	@Field(type = FieldType.Date, format = DateFormat.basic_date_time)
+	private Instant creationDate; 
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/productsearchapp/ElasticsearchClientConfig.java

@@ -0,0 +1,42 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.productsearchapp;
+
+import org.elasticsearch.client.RestHighLevelClient;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.elasticsearch.client.ClientConfiguration;
+import org.springframework.data.elasticsearch.client.RestClients;
+import org.springframework.data.elasticsearch.config.AbstractElasticsearchConfiguration;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
+import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Configuration
+@EnableElasticsearchRepositories(basePackages = "io.pratik.elasticsearch.repositories")
+@ComponentScan(basePackages = { "io.pratik.elasticsearch" })
+public class ElasticsearchClientConfig extends AbstractElasticsearchConfiguration {
+
+	@Override
+	@Bean
+	public RestHighLevelClient elasticsearchClient() {
+
+		final ClientConfiguration clientConfiguration = 
+				ClientConfiguration
+				.builder()
+				.connectedTo("localhost:9200")
+				.build();
+
+		return RestClients
+				.create(clientConfiguration)
+				.rest();
+	}
+	
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/productsearchapp/ProductsearchappApplication.java

@@ -0,0 +1,98 @@
+package io.pratik.elasticsearch.productsearchapp;
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+import java.util.Scanner;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+
+import org.elasticsearch.client.RestHighLevelClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.repositories.ProductRepository;
+import lombok.extern.slf4j.Slf4j;
+
+@SpringBootApplication
+@Slf4j
+public class ProductsearchappApplication {
+	
+	private static final String COMMA_DELIMITER = ",";
+
+	@Autowired
+	private ElasticsearchOperations esOps;
+
+	@Autowired
+	private ProductRepository productRepo;
+
+	public static void main(String[] args) {
+		SpringApplication.run(ProductsearchappApplication.class, args);
+	}
+	
+	@PreDestroy
+	public void deleteIndex() {
+		esOps.indexOps(Product.class).delete();
+	}
+	
+	
+	@PostConstruct
+	public void buildIndex() {
+
+		esOps.indexOps(Product.class).refresh();
+		productRepo.deleteAll();
+		productRepo.saveAll(prepareDataset());
+	}
+
+	private Collection<Product> prepareDataset() {
+		Resource resource = new ClassPathResource("fashion-products.csv");
+		List<Product> productList = new ArrayList<Product>();
+
+		try (
+			InputStream input = resource.getInputStream();
+			Scanner scanner = new Scanner(resource.getInputStream());) {
+			int lineNo = 0;
+			while (scanner.hasNextLine()) {
+				++lineNo;				
+				String line = scanner.nextLine();
+				if(lineNo == 1) continue;
+				Optional<Product> product = 
+						csvRowToProductMapper(line);
+				if(product.isPresent())
+				productList.add(product.get());
+			}
+		} catch (Exception e) {
+			log.error("File read error {}",e);;
+		}
+		return productList;
+	}
+
+	private Optional<Product> csvRowToProductMapper(final String line) {
+		try (			
+			Scanner rowScanner = new Scanner(line)) {
+			rowScanner.useDelimiter(COMMA_DELIMITER);
+			while (rowScanner.hasNext()) {
+				String name = rowScanner.next();
+				String description = rowScanner.next();
+				String manufacturer = rowScanner.next();
+				return Optional.of(
+						Product.builder()
+						.name(name)
+						.description(description)
+						.manufacturer(manufacturer)
+						.build());
+
+			}
+		}
+		return Optional.of(null);
+	}
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/repositories/ProductRepository.java

@@ -0,0 +1,24 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.repositories;
+
+import java.util.List;
+
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+import org.springframework.stereotype.Repository;
+
+import io.pratik.elasticsearch.models.Product;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Repository
+public interface ProductRepository extends ElasticsearchRepository<Product, String> {
+    List<Product> findByName(String name);
+    
+    List<Product> findByNameContaining(String name);
+ 
+    List<Product> findByManufacturerAndCategory(String manufacturer,String category);
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/repositories/SearchSuggestRepository.java

@@ -0,0 +1,17 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.repositories;
+
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+import org.springframework.stereotype.Repository;
+
+import io.pratik.elasticsearch.models.SearchSuggest;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Repository
+public interface SearchSuggestRepository extends ElasticsearchRepository<SearchSuggest, String> {
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/ProductSearchService.java

@@ -0,0 +1,180 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.services;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.elasticsearch.common.unit.Fuzziness;
+import org.elasticsearch.index.query.QueryBuilder;
+import org.elasticsearch.index.query.QueryBuilders;
+import org.elasticsearch.search.aggregations.Aggregation;
+import org.elasticsearch.search.aggregations.AggregationBuilders;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHit;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
+import org.springframework.data.elasticsearch.core.query.Criteria;
+import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
+import org.springframework.data.elasticsearch.core.query.IndexQuery;
+import org.springframework.data.elasticsearch.core.query.IndexQueryBuilder;
+import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
+import org.springframework.data.elasticsearch.core.query.Query;
+import org.springframework.data.elasticsearch.core.query.StringQuery;
+import org.springframework.stereotype.Service;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.models.SearchSuggest;
+import io.pratik.elasticsearch.repositories.SearchSuggestRepository;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ */
+@Service
+@Slf4j
+public class ProductSearchService {
+
+	private static final String PRODUCT_INDEX = "productindex";
+	private static final String SEARCH_SUGGEST_INDEX = "searchsuggest";
+
+	private ElasticsearchOperations elasticsearchOperations;
+	private SearchSuggestRepository searchSuggestRepository; 
+
+	@Autowired
+	public ProductSearchService(final ElasticsearchOperations elasticsearchOperations, final SearchSuggestRepository searchSuggestRepository) {
+		super();
+		this.elasticsearchOperations = elasticsearchOperations;
+		this.searchSuggestRepository = searchSuggestRepository;
+	}
+
+	public List<String> createProductIndexBulk(final List<Product> products) {
+
+		List<IndexQuery> queries = products.stream()
+				.map(product -> new IndexQueryBuilder().withId(product.getId().toString()).withObject(product).build())
+				.collect(Collectors.toList());
+		;
+
+		return elasticsearchOperations.bulkIndex(queries, IndexCoordinates.of(PRODUCT_INDEX));
+
+	}
+
+	public String createProductIndex(Product product) {
+
+		IndexQuery indexQuery = new IndexQueryBuilder().withId(product.getId().toString()).withObject(product).build();
+		String documentId = elasticsearchOperations.index(indexQuery, IndexCoordinates.of(PRODUCT_INDEX));
+
+		return documentId;
+	}
+
+	public void findProductCountByBrand(final String brandName) {
+		QueryBuilder queryBuilder = QueryBuilders
+				.matchQuery("manufacturer", brandName);
+		// .fuzziness(0.8)
+		// .boost(1.0f)
+		// .prefixLength(0)
+		// .fuzzyTranspositions(true);
+
+		Query searchQuery = new NativeSearchQueryBuilder()
+				//.addAggregation(AggregationBuilders
+				//		.cardinality("category"))
+				.withQuery(queryBuilder)
+				.build();
+
+		SearchHits<Product> productHits = 
+				elasticsearchOperations
+				.search(searchQuery, Product.class,
+				  IndexCoordinates.of(PRODUCT_INDEX));
+
+		log.info("productHits {} {}", productHits.getSearchHits().size(), productHits.getSearchHits());
+
+		List<SearchHit<Product>> srchHits = 
+				productHits.getSearchHits();
+		int i = 0;
+		for (SearchHit<Product> srchHit : srchHits) {
+			log.info("srchHit {}", srchHit);
+		}
+
+	}
+
+	public void findByProductName(final String productName) {
+		Query searchQuery = new StringQuery(
+				"{ \"match\": { \"name\": { \"query\": \""+ productName + "\" } } } \"");
+
+		SearchHits<Product> products = elasticsearchOperations.search(searchQuery, Product.class,
+				IndexCoordinates.of(PRODUCT_INDEX));
+	}
+
+	public void findByProductPrice(final String productPrice) {
+		Criteria criteria = new Criteria("price").greaterThan(10.0).lessThan(100.0);
+		Query searchQuery = new CriteriaQuery(criteria);
+
+		SearchHits<Product> products = elasticsearchOperations.search(searchQuery, Product.class,
+				IndexCoordinates.of(PRODUCT_INDEX));
+	}
+
+	public List<Product> processSearch(final String query) {
+		log.info("Search with query {}", query);
+		
+		// 1. Update searchsuggest Index
+		updateSuggestionsIndex(query);  
+
+		// 2. Create query on multiple fields enabling fuzzy search
+		QueryBuilder queryBuilder = 
+				QueryBuilders
+				.multiMatchQuery(query, "name", "description")
+				.fuzziness(Fuzziness.AUTO);
+
+		Query searchQuery = new NativeSearchQueryBuilder()
+				                .withFilter(queryBuilder)
+				                .build();
+
+		// 3. Execute search
+		SearchHits<Product> productHits = 
+				elasticsearchOperations
+				.search(searchQuery, Product.class,
+				IndexCoordinates.of(PRODUCT_INDEX));
+
+		// 4. Map searchHits to product list
+		List<Product> productMatches = new ArrayList<Product>();
+		productHits.forEach(srchHit->{
+			productMatches.add(srchHit.getContent());
+		});
+		return productMatches;
+	}
+
+	
+	public void updateSuggestionsIndex(String query) {
+		if(query.getBytes().length < 512) {
+		   searchSuggestRepository
+		      .save(SearchSuggest
+		    		  .builder()
+		    		  .id(query)
+		    		  .searchText(query)
+		    		  .build());
+		}
+	}
+	
+	public List<String> fetchRecentSuggestions(String query) {
+		QueryBuilder queryBuilder = QueryBuilders
+				.wildcardQuery("searchText", query+"*");
+
+		Query searchQuery = new NativeSearchQueryBuilder()
+				.withFilter(queryBuilder).build();
+
+		SearchHits<SearchSuggest> searchSuggestions = 
+				elasticsearchOperations.search(searchQuery, 
+						SearchSuggest.class,
+				IndexCoordinates.of(SEARCH_SUGGEST_INDEX));
+		
+		List<String> suggestions = new ArrayList<String>();
+		searchSuggestions.getSearchHits().forEach(srchHit->{
+			suggestions.add(srchHit.getContent().getSearchText());
+		});
+		return suggestions;
+	}
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/ProductSearchServiceWithRepo.java

@@ -0,0 +1,51 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.services;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.repositories.ProductRepository;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Service
+@Slf4j
+public class ProductSearchServiceWithRepo {
+
+	private ProductRepository productRepository;
+
+	@Autowired
+	public ProductSearchServiceWithRepo(final ProductRepository productRepository) {
+		super();
+		this.productRepository = productRepository;
+	}
+
+	public void createProductIndexBulk(final List<Product> products) {
+		productRepository.saveAll(products);
+	}
+
+	public void createProductIndex(final Product product) {
+		productRepository.save(product);
+	}
+
+	public List<Product> findProductsByManufacturerAndCategory(final String manufacturer, final String category) {
+			return productRepository.findByManufacturerAndCategory(manufacturer, category);
+	}
+
+	public List<Product> findByProductName(final String productName) {
+		return productRepository.findByName(productName);
+	}
+
+	public List<Product> findByProductMatchingNames(final String productName) {
+		return productRepository.findByNameContaining(productName);	
+	}
+
+}

spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/SearchService.java

@@ -0,0 +1,54 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.services;
+
+import java.util.List;
+
+import org.elasticsearch.index.query.QueryBuilders;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
+import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
+import org.springframework.data.elasticsearch.core.query.Query;
+import org.springframework.stereotype.Service;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.repositories.ProductRepository;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@Service
+@Slf4j
+public class SearchService {
+	
+	private  ProductRepository productRepository;
+	
+	private  ElasticsearchOperations elasticsearchOperations;
+ 
+	@Autowired
+	public SearchService(ProductRepository productRepository, ElasticsearchOperations elasticsearchOperations) {
+		super();
+		this.productRepository = productRepository;
+		this.elasticsearchOperations = elasticsearchOperations;
+	}
+
+
+
+	public List<Product> fetchProductNames(final String name){
+		
+		return productRepository.findByManufacturerAndCategory(name, "");
+	}
+	
+	public List<Product> fetchProductNamesContaining(final String name){
+		
+		
+	      
+		return productRepository.findByNameContaining(name);
+	}
+
+}

spring-boot/spring-boot-elasticsearch/src/main/resources/application.properties

@@ -0,0 +1 @@
+

spring-boot/spring-boot-elasticsearch/src/main/resources/logback-spring.xml

@@ -0,0 +1,49 @@
+<configuration debug="true">
+	<include
+		resource="/org/springframework/boot/logging/logback/base.xml" />
+	<appender name="STDOUT"
+		class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d{HH:mm:ss.SSS} [%X{user}] [%X{function}] [%thread]
+				%-5level %logger{36} - %msg%n
+			</pattern>
+		</encoder>
+	</appender>
+
+
+	<appender name="FILE"
+		class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>app.log</file>
+		<rollingPolicy
+			class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${app.logPathPrefix}/myproject.%d{yyyy-MM-dd}.%i.log.gz
+			</fileNamePattern>
+			<timeBasedFileNamingAndTriggeringPolicy
+				class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+				<maxFileSize>50MB</maxFileSize>
+			</timeBasedFileNamingAndTriggeringPolicy>
+			<maxHistory>30</maxHistory>
+		</rollingPolicy>
+
+		<encoder>
+			<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%level] [%thread]
+				[%logger:%line] %msg%n
+			</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="org.springframework" level="ERROR" />
+	<logger name="io.pratik" level="INFO" />
+	<logger name="org.springframework.data.elasticsearch.client.WIRE" level="trace"/>
+
+	<root level="info">
+		<appender-ref ref="STDOUT" />
+		<appender-ref ref="FILE" />
+	</root>
+	<springProfile name="dev">
+		<logger name="io.pratik" level="info" />
+	</springProfile>
+	<springProfile name="test">
+		<logger name="io.pratik" level="trace" />
+	</springProfile>
+</configuration>

spring-boot/spring-boot-elasticsearch/src/main/resources/templates/search.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-4.dtd">
+<html xmlns:th="http://www.thymeleaf.org" lang="en">
+<head>
+<title>Product Search</title>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
+</head>
+<body>
+
+<div class="card mb-3" style="max-width: 540px;">
+<p class="text-info">Search Products</p>
+<span class="border border-info">
+	<div class="input-group mb-3">
+	  <input type="text" class="form-control" placeholder="Search Product by Name or description" aria-label="Product Name" aria-describedby="btnNameSearch" id="productNamedesc">
+	  <div class="input-group-append">
+	    <button class="btn btn-outline-secondary" type="button" id="btnNameSearch">Search</button>
+	  </div>
+	</div>
+</span>
+</div>
+
+<div id="results" class="card"></div>
+
+
+<script src="https://code.jquery.com/jquery-3.5.1.min.js"   integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="   crossorigin="anonymous"></script>
+<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
+<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
+<script th:inline="javascript">
+    $(document).ready(function() {
+        $('#productNamedesc').autocomplete({
+	           source: function (request, response){
+	               $.get("http://localhost:8080/suggestions?",{q : request.term},function(data, status){
+	                  $("#results").html("");
+	                  if(status=='success'){
+	                    response(data);
+	                  }
+	               });
+	           }
+           }
+        );
+    
+        $("#btnNameSearch").click(function(){
+          var inputText = $("#productNamedesc").val();
+          if(inputText.length == 0) {
+             alert("Enter product name or description");
+          }else{
+             var response = '';
+	         $.ajax({
+	            type: "GET",
+	            url: "http://localhost:8080/products?q="+inputText,
+	            async: true,
+	            success: function(resp) {
+	                var len = resp.length;
+	                var strHtml = "";                    
+                    if(len == 0) {
+                      $("#results").html("<p class='text-danger'>Zero matches</p>");
+                    }else{
+                       strHTML = "<p class='text-success'>"+len + " matches found.</p>";
+                       strHTML += "<ul class='list-unstyled'>";
+                       for(var i=0; i<len; i++){                    
+                         strHTML += "<li>"+resp[i].name+"</li>";
+                       }
+                       strHTML = strHTML + "</ul>";
+                       $("#results").html(strHTML)
+                    }
+	            }
+	        });           
+          }
+        });
+    });
+</script>
+
+</body>
+</html>

spring-boot/spring-boot-elasticsearch/src/test/java/io/pratik/elasticsearch/productsearchapp/ProductSearchServiceTest.java

@@ -0,0 +1,179 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.productsearchapp;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.elasticsearch.core.SearchHits;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.services.ProductSearchService;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@SpringBootTest
+@Slf4j
+class ProductSearchServiceTest {
+	
+	@Autowired
+	private ProductSearchService productSearchService;
+
+	
+	@BeforeEach
+	void setUp() throws Exception {
+		
+		
+	}
+
+	/**
+	 * @throws java.lang.Exception
+	 */
+	@AfterEach
+	void tearDown() throws Exception {
+		
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#createProductIndexBulk(java.util.List)}.
+	 */
+	@Test
+	void testCreateProductIndexBulk() {
+		
+		List<Product> products = new ArrayList<Product>();
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("New Apple iPhone 12 Pro Max (128GB) - Pacific Blue")
+				.category("phone")
+				.price(2300.0)
+				.quantity(55)
+				.manufacturer("apple")
+				.description("6.7-inch Super Retina XDR display\n" + 
+						"Ceramic Shield, tougher than any smartphone glass\n" + 
+						"A14 Bionic chip, the fastest chip ever in a smartphone\n" + 
+						"Pro camera system with 12MP Ultra Wide, Wide and Telephoto cameras; 5x optical zoom range; Night mode, Deep Fusion, Smart HDR 3, Apple ProRAW, 4K Dolby Vision HDR recording")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("New Apple iPhone 12 Mini (64GB) - Blue")
+				.category("phone")
+				.price(2300.0)
+				.quantity(15)
+				.manufacturer("apple")
+				.description("5.4-inch Super Retina XDR display\n" + 
+						"Ceramic Shield, tougher than any smartphone glass\n" + 
+						"A14 Bionic chip, the fastest chip ever in a smartphone\n" + 
+						"Advanced dual-camera system with 12MP Ultra Wide and Wide cameras; Night mode, Deep Fusion, Smart HDR 3, 4K Dolby Vision HDR recording\n" + 
+						"12MP TrueDepth front camera with Night mode, 4K Dolby Vision HDR recording\n" + 
+						"Industry-leading IP68 water resistance")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Samsung Galaxy Note10 Lite (Aura Glow, 8GB RAM, 128GB Storage)")
+				.category("phone")
+				.price(2100.0)
+				.quantity(25)
+				.manufacturer("samsung")
+				.description("12MP Ultra wide (123°) FF + F2.2 \" Wide (77°) 12MP AF F1.7 Dual Pixel + Tele (45°) 12MP AF F2.4 OIS, 2x Zoom camera | 32MP front facing camera\n" + 
+						"17.04 centimeters (6.7-inch) super Amoled infinity-O display and FHD+ capacitive multi-touch touchscreen with 2400 x 1080 pixels resolution | 16M color support\n" + 
+						"Memory, Storage & SIM: 8GB RAM | 128GB internal memory expandable up to 1TB | Dual SIM dual-standby (4G+4G)\n" + 
+						"Android v10.0 operating system with 2.7GHz+1.8GHz Exynos 9810 octa core processor")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Samsung 163 cm (65 Inches) Q Series 4K Ultra HD QLED")
+				.category("television")
+				.price(2100.0)
+				.quantity(5)
+				.manufacturer("samsung")
+				.description("Resolution: 4K Ultra HD (3840x2160) | Refresh Rate: 120 hertz\n" + 
+						"Connectivity: 3 HDMI ports to connect set top box, Blu Ray players, gaming console | 2 USB ports to connect hard drives and other USB devices\n" + 
+						"Sound : 40 Watts Output\n" + 
+						"Display : QLED Panel | Q HDR Elite (HDR 10+) | Slim and stylish design")
+				.build()
+				);
+		List<String> documentIDs = productSearchService.createProductIndexBulk(products );
+		log.info("documentIDs {}", documentIDs);
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#createProductIndex(io.pratik.elasticsearch.models.Product)}.
+	 */
+	@Test
+	void testCreateProductIndex() {
+	  final Product product = Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Dell Vostro 3401 14inch FHD AG 2 Side Narrow Border Display Laptop")
+				.category("laptop")
+				.price(2100.0)
+				.quantity(28)
+				.manufacturer("dell")
+				.description("Processor:10th Generation Intel Core i3-1005G1 Processor (4MB Cache, Base frequency 1.2 GHz)\n" + 
+						"Memory & Storage:4GB RAM 1TB 5400 rpm 2.5\" SATA Hard Drive\n" + 
+						"Display:14.0-inch FHD (1920 x 1080) Anti-glare LED Backlight 2 Side Narrow Border WVA Display")
+				.build();
+		String documentID = productSearchService.createProductIndex(product );
+		log.info("documentID {}", documentID);
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#findProductCountByBrand(java.lang.String)}.
+	 */
+	@Test
+	void testFindProductCountByBrand() {
+		productSearchService.findProductCountByBrand("samsung");
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#findByProductName(java.lang.String)}.
+	 */
+	@Test
+	void testFindByProductName() {
+		productSearchService.findByProductName("iphone");
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#findByProductPrice(java.lang.String)}.
+	 */
+	@Test
+	void testFindByProductPrice() {
+		productSearchService.findByProductPrice("25.00");
+	}
+	
+
+	@Test
+	void testSearchByNameDesc() {
+		List<Product> results = productSearchService.processSearch("apple");
+	    log.info("results {}",results);
+	}
+	
+	@Test
+	void testSearchIndexUpdate() {
+		productSearchService.updateSuggestionsIndex("samsng 163 cm");
+	}
+	
+	@Test
+	void testFetchSearchSuggestions() {
+		List<String> suggestions = productSearchService.fetchRecentSuggestions("samsng 163 cm");
+	    log.info("suggestions {}",suggestions);
+	}
+
+}

spring-boot/spring-boot-elasticsearch/src/test/java/io/pratik/elasticsearch/productsearchapp/ProductSearchServiceWithRepoTest.java

@@ -0,0 +1,154 @@
+/**
+ * 
+ */
+package io.pratik.elasticsearch.productsearchapp;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import io.pratik.elasticsearch.models.Product;
+import io.pratik.elasticsearch.services.ProductSearchServiceWithRepo;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author Pratik Das
+ *
+ */
+@SpringBootTest
+@Slf4j
+class ProductSearchServiceWithRepoTest {
+	
+	@Autowired
+	private ProductSearchServiceWithRepo productSearchServiceWithRepo;
+
+
+	/**
+	 * @throws java.lang.Exception
+	 */
+	@BeforeEach
+	void setUp() throws Exception {
+	}
+
+	/**
+	 * @throws java.lang.Exception
+	 */
+	@AfterEach
+	void tearDown() throws Exception {
+		
+	}
+
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#createProductIndexBulk(java.util.List)}.
+	 */
+	@Test
+	void testCreateProductIndexBulk() {
+		
+		List<Product> products = new ArrayList<Product>();
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("New Apple iPhone 12 Pro Max (128GB) - Pacific Blue")
+				.category("phone")
+				.price(2300.0)
+				.quantity(55)
+				.manufacturer("apple")
+				.description("6.7-inch Super Retina XDR display\n" + 
+						"Ceramic Shield, tougher than any smartphone glass\n" + 
+						"A14 Bionic chip, the fastest chip ever in a smartphone\n" + 
+						"Pro camera system with 12MP Ultra Wide, Wide and Telephoto cameras; 5x optical zoom range; Night mode, Deep Fusion, Smart HDR 3, Apple ProRAW, 4K Dolby Vision HDR recording")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("New Apple iPhone 12 Mini (64GB) - Blue")
+				.category("phone")
+				.price(2300.0)
+				.quantity(15)
+				.manufacturer("apple")
+				.description("5.4-inch Super Retina XDR display\n" + 
+						"Ceramic Shield, tougher than any smartphone glass\n" + 
+						"A14 Bionic chip, the fastest chip ever in a smartphone\n" + 
+						"Advanced dual-camera system with 12MP Ultra Wide and Wide cameras; Night mode, Deep Fusion, Smart HDR 3, 4K Dolby Vision HDR recording\n" + 
+						"12MP TrueDepth front camera with Night mode, 4K Dolby Vision HDR recording\n" + 
+						"Industry-leading IP68 water resistance")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Samsung Galaxy Note10 Lite (Aura Glow, 8GB RAM, 128GB Storage)")
+				.category("phone")
+				.price(2100.0)
+				.quantity(25)
+				.manufacturer("samsung")
+				.description("12MP Ultra wide (123°) FF + F2.2 \" Wide (77°) 12MP AF F1.7 Dual Pixel + Tele (45°) 12MP AF F2.4 OIS, 2x Zoom camera | 32MP front facing camera\n" + 
+						"17.04 centimeters (6.7-inch) super Amoled infinity-O display and FHD+ capacitive multi-touch touchscreen with 2400 x 1080 pixels resolution | 16M color support\n" + 
+						"Memory, Storage & SIM: 8GB RAM | 128GB internal memory expandable up to 1TB | Dual SIM dual-standby (4G+4G)\n" + 
+						"Android v10.0 operating system with 2.7GHz+1.8GHz Exynos 9810 octa core processor")
+				.build()
+				);
+		
+		products.add(Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Samsung 163 cm (65 Inches) Q Series 4K Ultra HD QLED")
+				.category("television")
+				.price(2100.0)
+				.quantity(5)
+				.manufacturer("samsung")
+				.description("Resolution: 4K Ultra HD (3840x2160) | Refresh Rate: 120 hertz\n" + 
+						"Connectivity: 3 HDMI ports to connect set top box, Blu Ray players, gaming console | 2 USB ports to connect hard drives and other USB devices\n" + 
+						"Sound : 40 Watts Output\n" + 
+						"Display : QLED Panel | Q HDR Elite (HDR 10+) | Slim and stylish design")
+				.build()
+				);
+		productSearchServiceWithRepo.createProductIndexBulk(products );
+	}
+	
+	/**
+	 * Test method for {@link io.pratik.elasticsearch.services.ProductSearchService#createProductIndex(io.pratik.elasticsearch.models.Product)}.
+	 */
+	@Test
+	void testCreateProductIndex() {
+	  final Product product = Product.builder()
+				.id(UUID.randomUUID().toString())
+				.name("Dell Vostro 3401 14inch FHD AG 2 Side Narrow Border Display Laptop")
+				.category("laptop")
+				.price(2100.0)
+				.quantity(28)
+				.manufacturer("dell")
+				.description("Processor:10th Generation Intel Core i3-1005G1 Processor (4MB Cache, Base frequency 1.2 GHz)\n" + 
+						"Memory & Storage:4GB RAM 1TB 5400 rpm 2.5\" SATA Hard Drive\n" + 
+						"Display:14.0-inch FHD (1920 x 1080) Anti-glare LED Backlight 2 Side Narrow Border WVA Display")
+				.build();
+		productSearchServiceWithRepo.createProductIndex(product);
+
+	}
+	
+	@Test
+	void testFetchProductByName() {
+		List<Product> products = productSearchServiceWithRepo.findByProductName("apple");
+	    log.info("products {}",products);
+	}
+	
+	@Test
+	void testFetchProductByManufacturerAndCategory() {
+		List<Product> products = productSearchServiceWithRepo.findProductsByManufacturerAndCategory("samsung", "laptop");
+	    log.info("products {}",products);
+	}
+	
+	@Test
+	void testFetchProductByManufacturer() {
+		List<Product> products = productSearchServiceWithRepo.findProductsByManufacturerAndCategory("samsung", "laptop");
+	    log.info("products {}",products);
+	}
+
+}

spring-boot/spring-boot-elasticsearch/target/classes/application.properties

@@ -0,0 +1 @@
+

spring-boot/spring-boot-elasticsearch/target/classes/logback-spring.xml

@@ -0,0 +1,49 @@
+<configuration debug="true">
+	<include
+		resource="/org/springframework/boot/logging/logback/base.xml" />
+	<appender name="STDOUT"
+		class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d{HH:mm:ss.SSS} [%X{user}] [%X{function}] [%thread]
+				%-5level %logger{36} - %msg%n
+			</pattern>
+		</encoder>
+	</appender>
+
+
+	<appender name="FILE"
+		class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>app.log</file>
+		<rollingPolicy
+			class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${app.logPathPrefix}/myproject.%d{yyyy-MM-dd}.%i.log.gz
+			</fileNamePattern>
+			<timeBasedFileNamingAndTriggeringPolicy
+				class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+				<maxFileSize>50MB</maxFileSize>
+			</timeBasedFileNamingAndTriggeringPolicy>
+			<maxHistory>30</maxHistory>
+		</rollingPolicy>
+
+		<encoder>
+			<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%level] [%thread]
+				[%logger:%line] %msg%n
+			</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="org.springframework" level="ERROR" />
+	<logger name="io.pratik" level="INFO" />
+	<logger name="org.springframework.data.elasticsearch.client.WIRE" level="trace"/>
+
+	<root level="info">
+		<appender-ref ref="STDOUT" />
+		<appender-ref ref="FILE" />
+	</root>
+	<springProfile name="dev">
+		<logger name="io.pratik" level="info" />
+	</springProfile>
+	<springProfile name="test">
+		<logger name="io.pratik" level="trace" />
+	</springProfile>
+</configuration>

spring-boot/spring-boot-elasticsearch/target/classes/templates/search.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-4.dtd">
+<html xmlns:th="http://www.thymeleaf.org" lang="en">
+<head>
+<title>Product Search</title>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
+</head>
+<body>
+
+<div class="card mb-3" style="max-width: 540px;">
+<p class="text-info">Search Products</p>
+<span class="border border-info">
+	<div class="input-group mb-3">
+	  <input type="text" class="form-control" placeholder="Search Product by Name or description" aria-label="Product Name" aria-describedby="btnNameSearch" id="productNamedesc">
+	  <div class="input-group-append">
+	    <button class="btn btn-outline-secondary" type="button" id="btnNameSearch">Search</button>
+	  </div>
+	</div>
+</span>
+</div>
+
+<div id="results" class="card"></div>
+
+
+<script src="https://code.jquery.com/jquery-3.5.1.min.js"   integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="   crossorigin="anonymous"></script>
+<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
+<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
+<script th:inline="javascript">
+    $(document).ready(function() {
+        $('#productNamedesc').autocomplete({
+	           source: function (request, response){
+	               $.get("http://localhost:8080/suggestions?",{q : request.term},function(data, status){
+	                  $("#results").html("");
+	                  if(status=='success'){
+	                    response(data);
+	                  }
+	               });
+	           }
+           }
+        );
+    
+        $("#btnNameSearch").click(function(){
+          var inputText = $("#productNamedesc").val();
+          if(inputText.length == 0) {
+             alert("Enter product name or description");
+          }else{
+             var response = '';
+	         $.ajax({
+	            type: "GET",
+	            url: "http://localhost:8080/products?q="+inputText,
+	            async: true,
+	            success: function(resp) {
+	                var len = resp.length;
+	                var strHtml = "";                    
+                    if(len == 0) {
+                      $("#results").html("<p class='text-danger'>Zero matches</p>");
+                    }else{
+                       strHTML = "<p class='text-success'>"+len + " matches found.</p>";
+                       strHTML += "<ul class='list-unstyled'>";
+                       for(var i=0; i<len; i++){                    
+                         strHTML += "<li>"+resp[i].name+"</li>";
+                       }
+                       strHTML = strHTML + "</ul>";
+                       $("#results").html(strHTML)
+                    }
+	            }
+	        });           
+          }
+        });
+    });
+</script>
+
+</body>
+</html>

spring-boot/spring-boot-elasticsearch/target/maven-archiver/pom.properties

@@ -0,0 +1,3 @@
+artifactId=productsearchapp
+groupId=io.pratik.elasticsearch
+version=0.0.1-SNAPSHOT

spring-boot/spring-boot-elasticsearch/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -0,0 +1,13 @@
+io/pratik/elasticsearch/services/ProductSearchServiceWithRepo.class
+io/pratik/elasticsearch/services/ProductSearchService.class
+io/pratik/elasticsearch/productsearchapp/ProductsearchappApplication.class
+io/pratik/elasticsearch/models/SearchSuggest$SearchSuggestBuilder.class
+io/pratik/elasticsearch/services/SearchService.class
+io/pratik/elasticsearch/models/Product.class
+io/pratik/elasticsearch/repositories/SearchSuggestRepository.class
+io/pratik/elasticsearch/productsearchapp/ElasticsearchClientConfig.class
+io/pratik/elasticsearch/controllers/UIController.class
+io/pratik/elasticsearch/controllers/SearchController.class
+io/pratik/elasticsearch/repositories/ProductRepository.class
+io/pratik/elasticsearch/models/Product$ProductBuilder.class
+io/pratik/elasticsearch/models/SearchSuggest.class

spring-boot/spring-boot-elasticsearch/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -0,0 +1,11 @@
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/repositories/ProductRepository.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/SearchService.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/models/SearchSuggest.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/controllers/UIController.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/controllers/SearchController.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/ProductSearchService.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/repositories/SearchSuggestRepository.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/productsearchapp/ElasticsearchClientConfig.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/services/ProductSearchServiceWithRepo.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/models/Product.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/main/java/io/pratik/elasticsearch/productsearchapp/ProductsearchappApplication.java

spring-boot/spring-boot-elasticsearch/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst

@@ -0,0 +1,2 @@
+io/pratik/elasticsearch/productsearchapp/ProductSearchServiceTest.class
+io/pratik/elasticsearch/productsearchapp/ProductSearchServiceWithRepoTest.class

spring-boot/spring-boot-elasticsearch/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst

@@ -0,0 +1,2 @@
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/test/java/io/pratik/elasticsearch/productsearchapp/ProductSearchServiceWithRepoTest.java
+/Users/fab/Documents/pratik/code-examples/spring-boot/spring-boot-elasticsearch/src/test/java/io/pratik/elasticsearch/productsearchapp/ProductSearchServiceTest.java

spring-boot/spring-boot-elasticsearch/target/surefire-reports/io.pratik.elasticsearch.productsearchapp.ProductSearchServiceTest.txt

@@ -0,0 +1,4 @@
+-------------------------------------------------------------------------------
+Test set: io.pratik.elasticsearch.productsearchapp.ProductSearchServiceTest
+-------------------------------------------------------------------------------
+Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.224 s - in io.pratik.elasticsearch.productsearchapp.ProductSearchServiceTest

spring-boot/spring-boot-elasticsearch/target/surefire-reports/io.pratik.elasticsearch.productsearchapp.ProductSearchServiceWithRepoTest.txt

@@ -0,0 +1,4 @@
+-------------------------------------------------------------------------------
+Test set: io.pratik.elasticsearch.productsearchapp.ProductSearchServiceWithRepoTest
+-------------------------------------------------------------------------------
+Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.528 s - in io.pratik.elasticsearch.productsearchapp.ProductSearchServiceWithRepoTest