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JAVA-12045 : move java concurrency ebook content code to common module (#12559)

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* JAVA-12045 : move java concurrency ebook content code to common module

* JAVA-12045: addressed the review comments .. renamed package names and placed core-java-concurrency-simple module in pom.xml

* JAVA-12045: removed duplicate module after renaming java-simple-module to core-java-simple-module
This commit is contained in:
Keerthi
2022-08-08 23:26:55 +10:00
committed by GitHub
parent 861764512d
commit 0f57319d9c
36 changed files with 45 additions and 8 deletions
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35
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java
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@@ -1,35 +0,0 @@
package com.baeldung.concurrent.synchronize;
public class BaeldungSynchronizedBlocks {
private int count = 0;
private static int staticCount = 0;
void performSynchronisedTask() {
synchronized (this) {
setCount(getCount() + 1);
}
}
static void performStaticSyncTask() {
synchronized (BaeldungSynchronizedBlocks.class) {
setStaticCount(getStaticCount() + 1);
}
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
static int getStaticCount() {
return staticCount;
}
private static void setStaticCount(int staticCount) {
BaeldungSynchronizedBlocks.staticCount = staticCount;
}
}

37
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java
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@@ -1,37 +0,0 @@
package com.baeldung.concurrent.synchronize;
public class BaeldungSynchronizedMethods {
private int sum = 0;
private int syncSum = 0;
static int staticSum = 0;
void calculate() {
setSum(getSum() + 1);
}
synchronized void synchronisedCalculate() {
setSyncSum(getSyncSum() + 1);
}
static synchronized void syncStaticCalculate() {
staticSum = staticSum + 1;
}
public int getSum() {
return sum;
}
public void setSum(int sum) {
this.sum = sum;
}
int getSyncSum() {
return syncSum;
}
private void setSyncSum(int syncSum) {
this.syncSum = syncSum;
}
}

31
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java
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@@ -1,31 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class BlockedState {
public static void main(String[] args) throws InterruptedException {
Thread t1 = new Thread(new DemoThreadB());
Thread t2 = new Thread(new DemoThreadB());
t1.start();
t2.start();
Thread.sleep(1000);
System.out.println(t2.getState());
System.exit(0);
}
}
class DemoThreadB implements Runnable {
@Override
public void run() {
commonResource();
}
public static synchronized void commonResource() {
while(true) {
// Infinite loop to mimic heavy processing
// Thread 't1' won't leave this method
// when Thread 't2' enters this
}
}
}

14
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java
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@@ -1,14 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class NewState implements Runnable {
public static void main(String[] args) {
Runnable runnable = new NewState();
Thread t = new Thread(runnable);
System.out.println(t.getState());
}
@Override
public void run() {
}
}

15
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java
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@@ -1,15 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class RunnableState implements Runnable {
public static void main(String[] args) {
Runnable runnable = new NewState();
Thread t = new Thread(runnable);
t.start();
System.out.println(t.getState());
}
@Override
public void run() {
}
}

15
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java
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@@ -1,15 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class TerminatedState implements Runnable {
public static void main(String[] args) throws InterruptedException {
Thread t1 = new Thread(new TerminatedState());
t1.start();
Thread.sleep(1000);
System.out.println(t1.getState());
}
@Override
public void run() {
// No processing in this block
}
}

25
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java
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@@ -1,25 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class TimedWaitingState {
public static void main(String[] args) throws InterruptedException {
DemoThread obj1 = new DemoThread();
Thread t1 = new Thread(obj1);
t1.start();
// The following sleep will give enough time for ThreadScheduler
// to start processing of thread t1
Thread.sleep(1000);
System.out.println(t1.getState());
}
}
class DemoThread implements Runnable {
@Override
public void run() {
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
e.printStackTrace();
}
}
}

35
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java
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@@ -1,35 +0,0 @@
package com.baeldung.concurrent.threadlifecycle;
public class WaitingState implements Runnable {
public static Thread t1;
public static void main(String[] args) {
t1 = new Thread(new WaitingState());
t1.start();
}
public void run() {
Thread t2 = new Thread(new DemoThreadWS());
t2.start();
try {
t2.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
e.printStackTrace();
}
}
}
class DemoThreadWS implements Runnable {
public void run() {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
e.printStackTrace();
}
System.out.println(WaitingState.t1.getState());
}
}

40
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java
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@@ -1,40 +0,0 @@
package com.baeldung.concurrent.waitandnotify;
public class Data {
private String packet;
// True if receiver should wait
// False if sender should wait
private boolean transfer = true;
public synchronized String receive() {
while (transfer) {
try {
wait();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
System.out.println("Thread Interrupted");
}
}
transfer = true;
String returnPacket = packet;
notifyAll();
return returnPacket;
}
public synchronized void send(String packet) {
while (!transfer) {
try {
wait();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
System.out.println("Thread Interrupted");
}
}
transfer = false;
this.packet = packet;
notifyAll();
}
}

12
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java
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@@ -1,12 +0,0 @@
package com.baeldung.concurrent.waitandnotify;
public class NetworkDriver {
public static void main(String[] args) {
Data data = new Data();
Thread sender = new Thread(new Sender(data));
Thread receiver = new Thread(new Receiver(data));
sender.start();
receiver.start();
}
}

28
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java
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@@ -1,28 +0,0 @@
package com.baeldung.concurrent.waitandnotify;
import java.util.concurrent.ThreadLocalRandom;
public class Receiver implements Runnable {
private Data load;
public Receiver(Data load) {
this.load = load;
}
public void run() {
for(String receivedMessage = load.receive();
!"End".equals(receivedMessage) ;
receivedMessage = load.receive()) {
System.out.println(receivedMessage);
//Thread.sleep() to mimic heavy server-side processing
try {
Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
System.out.println("Thread Interrupted");
}
}
}
}

33
core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java
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@@ -1,33 +0,0 @@
package com.baeldung.concurrent.waitandnotify;
import java.util.concurrent.ThreadLocalRandom;
public class Sender implements Runnable {
private Data data;
public Sender(Data data) {
this.data = data;
}
public void run() {
String packets[] = {
"First packet",
"Second packet",
"Third packet",
"Fourth packet",
"End"
};
for (String packet : packets) {
data.send(packet);
//Thread.sleep() to mimic heavy server-side processing
try {
Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
System.out.println("Thread Interrupted");
}
}
}
}