BAEL-1734 move packages from libraries to libraries-data

2018-05-01 14:24:25 +05:30
parent 7140229ca0
commit f9ddc38a39
31 changed files with 605 additions and 501 deletions
--- a/libraries-data/src/main/java/com/baeldung/jdo/xml/MyApp.java
+++ b/libraries-data/src/main/java/com/baeldung/jdo/xml/MyApp.java
@@ -0,0 +1,105 @@
+package com.baeldung.jdo.xml;
+
+import java.util.List;
+
+import javax.jdo.JDOHelper;
+import javax.jdo.PersistenceManager;
+import javax.jdo.PersistenceManagerFactory;
+import javax.jdo.Query;
+import javax.jdo.Transaction;
+
+import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
+import org.datanucleus.metadata.PersistenceUnitMetaData;
+
+public class MyApp {
+
+    private static PersistenceUnitMetaData pumd;
+    private static PersistenceManagerFactory pmf;
+    private static PersistenceManager pm;
+
+    public static void main(String[] args) {
+
+        // persist product object using dynamic persistence unit
+        defineDynamicPersistentUnit();
+        Product product = new Product("id1", "Sony Discman", "A standard discman from Sony", 49.99);
+        persistObject(product);
+        closePersistenceManager();
+
+        // persist AnnotatedPerson object using named pmf
+        defineNamedPersistenceManagerFactory("XmlDatastore");
+        AnnotadedPerson annotatedPerson = new AnnotadedPerson(654320, "annotated", "person");
+        annotatedPerson.getPhoneNumbers().add("999999999");
+        annotatedPerson.getPhoneNumbers().add("000000000");
+        persistObject(annotatedPerson);
+        queryAnnotatedPersonsInXML();
+        closePersistenceManager();
+
+        // persist Person object using PMF created by properties file
+        definePersistenceManagerFactoryUsingPropertiesFile("META-INF\\datanucleus.properties");
+        Person person = new Person(654321, "bealdung", "author");
+        person.getPhoneNumbers().add("123456789");
+        person.getPhoneNumbers().add("987654321");
+        persistObject(person);
+        queryPersonsInXML();
+        closePersistenceManager();
+    }
+
+    public static void defineDynamicPersistentUnit() {
+
+        PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
+        pumd.addProperty("javax.jdo.option.ConnectionURL", "xml:file:myfile_dynamicPMF.xml");
+        pumd.addProperty("datanucleus.schema.autoCreateAll", "true");
+        pumd.addProperty("datanucleus.xml.indentSize", "4");
+
+        pmf = new JDOPersistenceManagerFactory(pumd, null);
+        pm = pmf.getPersistenceManager();
+    }
+
+    public static void defineNamedPersistenceManagerFactory(String pmfName) {
+
+        pmf = JDOHelper.getPersistenceManagerFactory("XmlDatastore");
+        pm = pmf.getPersistenceManager();
+    }
+
+    public static void definePersistenceManagerFactoryUsingPropertiesFile(String filePath) {
+
+        pmf = JDOHelper.getPersistenceManagerFactory(filePath);
+        pm = pmf.getPersistenceManager();
+    }
+
+    public static void closePersistenceManager() {
+
+        if (pm != null && !pm.isClosed()) {
+            pm.close();
+        }
+    }
+
+    public static void persistObject(Object obj) {
+
+        Transaction tx = pm.currentTransaction();
+
+        try {
+            tx.begin();
+            pm.makePersistent(obj);
+            tx.commit();
+        } finally {
+            if (tx.isActive()) {
+                tx.rollback();
+            }
+        }
+    }
+
+    public static void queryPersonsInXML() {
+
+        Query<Person> query = pm.newQuery(Person.class);
+        List<Person> result = query.executeList();
+        System.out.println("name: " + result.get(0).getFirstName());
+    }
+
+    public static void queryAnnotatedPersonsInXML() {
+
+        Query<AnnotadedPerson> query = pm.newQuery(AnnotadedPerson.class);
+        List<AnnotadedPerson> result = query.executeList();
+        System.out.println("name: " + result.get(0).getFirstName());
+    }
+}