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#BAEL-16633 split Core Java 9 module - improved features

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This commit is contained in:
Alessio Stalla
2019-10-29 15:30:01 +01:00
parent 83b5897387
commit fabf0993f6
24 changed files with 95 additions and 37 deletions
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23
core-java-modules/core-java-9/src/main/java/com/baeldung/java9/language/PrivateInterface.java
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@@ -1,23 +0,0 @@
package com.baeldung.java9.language;
public interface PrivateInterface {
private static String staticPrivate() {
return "static private";
}
private String instancePrivate() {
return "instance private";
}
public default void check() {
String result = staticPrivate();
if (!result.equals("static private"))
throw new AssertionError("Incorrect result for static private interface method");
PrivateInterface pvt = new PrivateInterface() {
};
result = pvt.instancePrivate();
if (!result.equals("instance private"))
throw new AssertionError("Incorrect result for instance private interface method");
}
}

82
core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImpl.java
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@@ -1,82 +0,0 @@
package com.baeldung.java9.reactive;
import java.util.ArrayList;
import java.util.concurrent.Flow.Subscriber;
import java.util.concurrent.Flow.Subscription;
public class BaeldungBatchSubscriberImpl<T> implements Subscriber<String> {
private Subscription subscription;
private boolean completed = false;
private int counter;
private ArrayList<String> buffer;
public static final int BUFFER_SIZE = 5;
public BaeldungBatchSubscriberImpl() {
buffer = new ArrayList<String>();
}
public boolean isCompleted() {
return completed;
}
public void setCompleted(boolean completed) {
this.completed = completed;
}
public int getCounter() {
return counter;
}
public void setCounter(int counter) {
this.counter = counter;
}
@Override
public void onSubscribe(Subscription subscription) {
this.subscription = subscription;
subscription.request(BUFFER_SIZE);
}
@Override
public void onNext(String item) {
buffer.add(item);
// if buffer is full, process the items.
if (buffer.size() >= BUFFER_SIZE) {
processBuffer();
}
//request more items.
subscription.request(1);
}
private void processBuffer() {
if (buffer.isEmpty())
return;
// Process all items in the buffer. Here, we just print it and sleep for 1 second.
System.out.print("Processed items: ");
buffer.stream()
.forEach(item -> {
System.out.print(" " + item);
});
System.out.println();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
counter = counter + buffer.size();
buffer.clear();
}
@Override
public void onError(Throwable t) {
t.printStackTrace();
}
@Override
public void onComplete() {
completed = true;
// process any remaining items in buffer before
processBuffer();
subscription.cancel();
}
}

55
core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungSubscriberImpl.java
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@@ -1,55 +0,0 @@
package com.baeldung.java9.reactive;
import java.util.concurrent.Flow.Subscriber;
import java.util.concurrent.Flow.Subscription;
public class BaeldungSubscriberImpl<T> implements Subscriber<String> {
private Subscription subscription;
private boolean completed = false;
private int counter;
public boolean isCompleted() {
return completed;
}
public void setCompleted(boolean completed) {
this.completed = completed;
}
public int getCounter() {
return counter;
}
public void setCounter(int counter) {
this.counter = counter;
}
@Override
public void onSubscribe(Subscription subscription) {
this.subscription = subscription;
subscription.request(1);
}
@Override
public void onNext(String item) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
counter++;
System.out.println("Processed item : " + item);
subscription.request(1);
}
@Override
public void onError(Throwable t) {
t.printStackTrace();
}
@Override
public void onComplete() {
completed = true;
subscription.cancel();
}
}