formatting cleanup

This commit is contained in:
eugenp 2017-08-05 16:14:20 +03:00
parent f913859c6f
commit 4d8f92e587
20 changed files with 96 additions and 124 deletions

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@ -15,14 +15,12 @@ public class CyclicBarrierDemo {
private int NUM_PARTIAL_RESULTS;
private int NUM_WORKERS;
private void runSimulation(int numWorkers, int numberOfPartialResults) {
NUM_PARTIAL_RESULTS = numberOfPartialResults;
NUM_WORKERS = numWorkers;
cyclicBarrier = new CyclicBarrier(NUM_WORKERS, new AggregatorThread());
System.out.println("Spawning " + NUM_WORKERS + " worker threads to compute "
+ NUM_PARTIAL_RESULTS + " partial results each");
System.out.println("Spawning " + NUM_WORKERS + " worker threads to compute " + NUM_PARTIAL_RESULTS + " partial results each");
for (int i = 0; i < NUM_WORKERS; i++) {
Thread worker = new Thread(new NumberCruncherThread());
worker.setName("Thread " + i);
@ -38,8 +36,7 @@ public class CyclicBarrierDemo {
List<Integer> partialResult = new ArrayList<>();
for (int i = 0; i < NUM_PARTIAL_RESULTS; i++) {
Integer num = random.nextInt(10);
System.out.println(thisThreadName
+ ": Crunching some numbers! Final result - " + num);
System.out.println(thisThreadName + ": Crunching some numbers! Final result - " + num);
partialResult.add(num);
}
partialResults.add(partialResult);
@ -57,13 +54,12 @@ public class CyclicBarrierDemo {
@Override
public void run() {
String thisThreadName = Thread.currentThread().getName();
System.out.println(thisThreadName + ": Computing final sum of " + NUM_WORKERS
+ " workers, having " + NUM_PARTIAL_RESULTS + " results each.");
System.out.println(thisThreadName + ": Computing final sum of " + NUM_WORKERS + " workers, having " + NUM_PARTIAL_RESULTS + " results each.");
int sum = 0;
for (List<Integer> threadResult : partialResults) {
System.out.print("Adding ");
for (Integer partialResult : threadResult) {
System.out.print(partialResult+" ");
System.out.print(partialResult + " ");
sum += partialResult;
}
System.out.println();

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@ -15,7 +15,8 @@ public class Philosopher implements Runnable {
Thread.sleep(((int) (Math.random() * 100)));
}
@Override public void run() {
@Override
public void run() {
try {
while (true) {
doAction(System.nanoTime() + ": Thinking"); // thinking

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@ -6,22 +6,22 @@ import java.util.concurrent.TimeUnit;
public class ExecutorServiceDemo {
ExecutorService executor = Executors.newFixedThreadPool(10);
ExecutorService executor = Executors.newFixedThreadPool(10);
public void execute() {
public void execute() {
executor.submit(() -> {
new Task();
});
executor.submit(() -> {
new Task();
});
executor.shutdown();
executor.shutdownNow();
try {
executor.awaitTermination(20l, TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
e.printStackTrace();
}
executor.shutdown();
executor.shutdownNow();
try {
executor.awaitTermination(20l, TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}

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@ -9,36 +9,36 @@ import java.util.concurrent.TimeoutException;
public class FutureDemo {
public String invoke() {
public String invoke() {
String str = null;
String str = null;
ExecutorService executorService = Executors.newFixedThreadPool(10);
ExecutorService executorService = Executors.newFixedThreadPool(10);
Future<String> future = executorService.submit(() -> {
// Task
Thread.sleep(10000l);
return "Hellow world";
});
Future<String> future = executorService.submit(() -> {
// Task
Thread.sleep(10000l);
return "Hellow world";
});
future.cancel(false);
future.cancel(false);
try {
future.get(20, TimeUnit.SECONDS);
} catch (InterruptedException | ExecutionException | TimeoutException e1) {
e1.printStackTrace();
}
try {
future.get(20, TimeUnit.SECONDS);
} catch (InterruptedException | ExecutionException | TimeoutException e1) {
e1.printStackTrace();
}
if (future.isDone() && !future.isCancelled()) {
try {
str = future.get();
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
if (future.isDone() && !future.isCancelled()) {
try {
str = future.get();
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
return str;
return str;
}
}
}

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@ -4,20 +4,20 @@ import java.util.concurrent.ThreadFactory;
public class BaeldungThreadFactory implements ThreadFactory {
private int threadId;
private String name;
private int threadId;
private String name;
public BaeldungThreadFactory(String name) {
threadId = 1;
this.name = name;
}
public BaeldungThreadFactory(String name) {
threadId = 1;
this.name = name;
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r, name + "-Thread_" + threadId);
System.out.println("created new thread with id : " + threadId + " and name : " + t.getName());
threadId++;
return t;
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r, name + "-Thread_" + threadId);
System.out.println("created new thread with id : " + threadId + " and name : " + t.getName());
threadId++;
return t;
}
}

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@ -2,9 +2,9 @@ package com.baeldung.concurrent.threadfactory;
public class Task implements Runnable {
@Override
public void run() {
// task details
}
@Override
public void run() {
// task details
}
}

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@ -14,26 +14,25 @@ public class LookupFSJNDI {
super();
init();
}
private void init() throws NamingException {
Hashtable<String, String> env = new Hashtable<String, String>();
env.put (Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.fscontext.RefFSContextFactory");
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");
// URI to namespace (actual directory)
env.put(Context.PROVIDER_URL, "file:./src/test/resources");
ctx = new InitialContext(env);
}
public InitialContext getCtx() {
return ctx;
}
public File getFile(String fileName) {
File file;
try {
file = (File)getCtx().lookup(fileName);
file = (File) getCtx().lookup(fileName);
} catch (NamingException e) {
file = null;
}

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@ -18,13 +18,16 @@ public class User {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null) return false;
if (this.getClass() != o.getClass()) return false;
if (this == o)
return true;
if (o == null)
return false;
if (this.getClass() != o.getClass())
return false;
User user = (User) o;
return id != user.id && (!name.equals(user.name) && !email.equals(user.email));
}
@Override
public int hashCode() {
int hash = 7;

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@ -10,7 +10,6 @@ public class JMXTutorialMainlauncher {
private static final Logger LOG = LoggerFactory.getLogger(JMXTutorialMainlauncher.class);
public static void main(String[] args) {
// TODO Auto-generated method stub

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@ -8,9 +8,8 @@ import java.net.*;
public class EchoClient {
private static final Logger LOG = LoggerFactory.getLogger(EchoClient.class);
private Socket clientSocket;
private PrintWriter out;
private BufferedReader in;

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@ -1,6 +1,5 @@
package com.baeldung.stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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@ -12,15 +12,10 @@ class StringHelper {
}
static String removeLastCharOptional(String s) {
return Optional.ofNullable(s)
.filter(str -> str.length() != 0)
.map(str -> str.substring(0, str.length() - 1))
.orElse(s);
return Optional.ofNullable(s).filter(str -> str.length() != 0).map(str -> str.substring(0, str.length() - 1)).orElse(s);
}
static String removeLastCharRegexOptional(String s) {
return Optional.ofNullable(s)
.map(str -> str.replaceAll(".$", ""))
.orElse(s);
return Optional.ofNullable(s).map(str -> str.replaceAll(".$", "")).orElse(s);
}
}

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@ -25,11 +25,7 @@ public class MyTokenizer {
}
public List<String> getTokensWithCollection(String str) {
return Collections
.list(new StringTokenizer(str, ","))
.stream()
.map(token -> (String) token)
.collect(Collectors.toList());
return Collections.list(new StringTokenizer(str, ",")).stream().map(token -> (String) token).collect(Collectors.toList());
}
public List<String> getTokensFromFile(String path, String delim) {

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@ -11,12 +11,12 @@ public class CustomTemporalAdjuster implements TemporalAdjuster {
@Override
public Temporal adjustInto(Temporal temporal) {
switch (DayOfWeek.of(temporal.get(ChronoField.DAY_OF_WEEK))) {
case FRIDAY:
return temporal.plus(3, ChronoUnit.DAYS);
case SATURDAY:
return temporal.plus(2, ChronoUnit.DAYS);
default:
return temporal.plus(1, ChronoUnit.DAYS);
case FRIDAY:
return temporal.plus(3, ChronoUnit.DAYS);
case SATURDAY:
return temporal.plus(2, ChronoUnit.DAYS);
default:
return temporal.plus(1, ChronoUnit.DAYS);
}
}
}

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@ -9,7 +9,6 @@ import java.util.concurrent.atomic.AtomicInteger;
public class Consumer implements Runnable {
private static final Logger LOG = LoggerFactory.getLogger(Consumer.class);
private final TransferQueue<String> transferQueue;
private final String name;
private final int numberOfMessagesToConsume;

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@ -15,28 +15,24 @@ public class LongAccumulatorUnitTest {
@Test
public void givenLongAccumulator_whenApplyActionOnItFromMultipleThrads_thenShouldProduceProperResult() throws InterruptedException {
//given
// given
ExecutorService executorService = Executors.newFixedThreadPool(8);
LongBinaryOperator sum = Long::sum;
LongAccumulator accumulator = new LongAccumulator(sum, 0L);
int numberOfThreads = 4;
int numberOfIncrements = 100;
//when
Runnable accumulateAction = () -> IntStream
.rangeClosed(0, numberOfIncrements)
.forEach(accumulator::accumulate);
// when
Runnable accumulateAction = () -> IntStream.rangeClosed(0, numberOfIncrements).forEach(accumulator::accumulate);
for (int i = 0; i < numberOfThreads; i++) {
executorService.execute(accumulateAction);
}
//then
// then
executorService.awaitTermination(500, TimeUnit.MILLISECONDS);
executorService.shutdown();
assertEquals(accumulator.get(), 20200);
}
}

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@ -24,7 +24,7 @@ public class ApplicationTest {
@Test
public void main_NoInputState_TextPrintedToConsole() throws Exception {
Application.main(new String[]{});
Application.main(new String[] {});
assertEquals("User found in the collection", outContent.toString());
}
}

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@ -15,7 +15,6 @@ public class LambdaExceptionWrappersUnitTest {
private static final Logger LOG = LoggerFactory.getLogger(LambdaExceptionWrappersUnitTest.class);
private List<Integer> integers;
@Before

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@ -29,12 +29,9 @@ public class ListOfListsUnitTest {
@Test
public void givenListOfLists_thenCheckNames() {
assertEquals("Pen 1", ((Pen) listOfLists.get(0)
.get(0)).getName());
assertEquals("Pencil 1", ((Pencil) listOfLists.get(1)
.get(0)).getName());
assertEquals("Rubber 1", ((Rubber) listOfLists.get(2)
.get(0)).getName());
assertEquals("Pen 1", ((Pen) listOfLists.get(0).get(0)).getName());
assertEquals("Pencil 1", ((Pencil) listOfLists.get(1).get(0)).getName());
assertEquals("Rubber 1", ((Rubber) listOfLists.get(2).get(0)).getName());
}
@SuppressWarnings("unchecked")
@ -43,11 +40,9 @@ public class ListOfListsUnitTest {
((ArrayList<Pencil>) listOfLists.get(1)).remove(0);
listOfLists.remove(1);
assertEquals("Rubber 1", ((Rubber) listOfLists.get(1)
.get(0)).getName());
assertEquals("Rubber 1", ((Rubber) listOfLists.get(1).get(0)).getName());
listOfLists.remove(0);
assertEquals("Rubber 1", ((Rubber) listOfLists.get(0)
.get(0)).getName());
assertEquals("Rubber 1", ((Rubber) listOfLists.get(0).get(0)).getName());
}
@Test
@ -67,11 +62,8 @@ public class ListOfListsUnitTest {
list.add(pencils);
list.add(rubbers);
assertEquals("Pen 1", ((Pen) list.get(0)
.get(0)).getName());
assertEquals("Pencil 1", ((Pencil) list.get(1)
.get(0)).getName());
assertEquals("Rubber 1", ((Rubber) list.get(2)
.get(0)).getName());
assertEquals("Pen 1", ((Pen) list.get(0).get(0)).getName());
assertEquals("Pencil 1", ((Pencil) list.get(1).get(0)).getName());
assertEquals("Rubber 1", ((Rubber) list.get(2).get(0)).getName());
}
}

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@ -13,7 +13,6 @@ public class CoreThreadPoolIntegrationTest {
private static final Logger LOG = LoggerFactory.getLogger(CoreThreadPoolIntegrationTest.class);
@Test(timeout = 1000)
public void whenCallingExecuteWithRunnable_thenRunnableIsExecuted() throws InterruptedException {