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cekiceki
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comment out code in COWArrayListConcurrencyTest to make IDE happy
Signed-off-by: ceki <ceki@qos.ch>
1 parent 7f65340 commit 8116069

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‎logback-core-blackbox/src/test/java/ch/qos/logback/core/blackbox/COWArrayListConcurrencyTest.java‎

Lines changed: 165 additions & 165 deletions
Original file line numberDiff line numberDiff line change
@@ -12,177 +12,177 @@
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* as published by the Free Software Foundation.
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*/
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package ch.qos.logback.core.util;
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package ch.qos.logback.core.blackbox;
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import ch.qos.logback.core.Appender;
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import ch.qos.logback.core.AppenderBase;
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import ch.qos.logback.core.Context;
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import ch.qos.logback.core.ContextBase;
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import ch.qos.logback.core.spi.AppenderAttachableImpl;
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//import ch.qos.logback.core.Appender;
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//import ch.qos.logback.core.AppenderBase;
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//import ch.qos.logback.core.Context;
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//import ch.qos.logback.core.ContextBase;
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//import ch.qos.logback.core.spi.AppenderAttachableImpl;
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import org.junit.jupiter.api.Disabled;
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import org.junit.jupiter.api.Test;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.Future;
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import java.util.concurrent.locks.ReentrantLock;
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import static org.assertj.core.api.Fail.fail;
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//import org.junit.jupiter.api.Test;
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//
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//import java.util.concurrent.ExecutionException;
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//import java.util.concurrent.ExecutorService;
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//import java.util.concurrent.Executors;
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//
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//import java.util.ArrayList;
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//import java.util.Arrays;
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//import java.util.List;
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//import java.util.concurrent.Future;
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//import java.util.concurrent.locks.ReentrantLock;
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//
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//import static org.assertj.core.api.Fail.fail;
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@Disabled
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public class COWArrayListConcurrencyTest {
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//private static final int LIST_SIZE = 1_000_000;
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private static final int LOOP_LEN = 1_0;
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private static final int RECONFIGURE_DELAY = 1;
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ReentrantLock reconfigureLock = new ReentrantLock(true);
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ReentrantLock writeLock = new ReentrantLock(true);
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private static int THREAD_COUNT = 200; //Runtime.getRuntime().availableProcessors()*200;
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//private static int THREAD_COUNT = 5000;
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private final ExecutorService tasksExecutor = Executors.newVirtualThreadPerTaskExecutor();
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LoopingRunnable[] loopingThreads = new LoopingRunnable[THREAD_COUNT];
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ReconfiguringThread[] reconfiguringThreads = new ReconfiguringThread[THREAD_COUNT];
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Future<?>[] futures = new Future[THREAD_COUNT];
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AppenderAttachableImpl<String> aai = new AppenderAttachableImpl<>();
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Context context = new ContextBase();
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void reconfigureWithDelay(AppenderAttachableImpl<String> aai) {
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try {
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reconfigureLock.lock();
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aai.addAppender(makeNewNOPAppender());
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aai.addAppender(makeNewNOPAppender());
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delay(RECONFIGURE_DELAY);
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aai.detachAndStopAllAppenders();
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} finally {
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reconfigureLock.unlock();
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}
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}
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private Appender<String> makeNewNOPAppender() {
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List<Long> longList = new ArrayList<>();
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// for (int j = 0; j < LIST_SIZE; j++) {
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// longList.add(0L);
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//
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// //private static final int LIST_SIZE = 1_000_000;
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// private static final int LOOP_LEN = 1_0;
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// private static final int RECONFIGURE_DELAY = 1;
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//
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// ReentrantLock reconfigureLock = new ReentrantLock(true);
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// ReentrantLock writeLock = new ReentrantLock(true);
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//
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// private static int THREAD_COUNT = 200; //Runtime.getRuntime().availableProcessors()*200;
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// //private static int THREAD_COUNT = 5000;
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//
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// private final ExecutorService tasksExecutor = Executors.newVirtualThreadPerTaskExecutor();
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// LoopingRunnable[] loopingThreads = new LoopingRunnable[THREAD_COUNT];
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// ReconfiguringThread[] reconfiguringThreads = new ReconfiguringThread[THREAD_COUNT];
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// Future<?>[] futures = new Future[THREAD_COUNT];
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//
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// AppenderAttachableImpl<String> aai = new AppenderAttachableImpl<>();
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// Context context = new ContextBase();
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//
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// void reconfigureWithDelay(AppenderAttachableImpl<String> aai) {
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// try {
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// reconfigureLock.lock();
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// aai.addAppender(makeNewNOPAppender());
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// aai.addAppender(makeNewNOPAppender());
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// delay(RECONFIGURE_DELAY);
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// aai.detachAndStopAllAppenders();
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// } finally {
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// reconfigureLock.unlock();
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// }
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Appender<String> nopAppenderWithDelay = new NOPAppenderWithDelay<>(longList);
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nopAppenderWithDelay.setContext(context);
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nopAppenderWithDelay.start();
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return nopAppenderWithDelay;
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}
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private void delay(int delay) {
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try {
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Thread.sleep(delay);
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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}
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@Test
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void smoke() throws InterruptedException, ExecutionException {
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for (int i = 0; i < THREAD_COUNT; i++) {
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System.out.println("i="+i);
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ReconfiguringThread rt = new ReconfiguringThread(aai);
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futures[i] = tasksExecutor.submit(rt);
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reconfiguringThreads[i] = rt;
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}
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for (int i = 0; i < THREAD_COUNT; i++) {
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LoopingRunnable loopingThread = new LoopingRunnable(i, aai);
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tasksExecutor.submit(loopingThread);
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loopingThreads[i] = loopingThread;
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}
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for (int i = 0; i < THREAD_COUNT; i++) {
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futures[i].get();
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}
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//reconfiguringThread.join();
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Arrays.stream(loopingThreads).forEach(lt -> lt.active = false);
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}
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public class NOPAppenderWithDelay<E> extends AppenderBase<E> {
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List<Long> longList;
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NOPAppenderWithDelay(List<Long> longList) {
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this.longList = new ArrayList<>(longList);
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}
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int i = 0;
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@Override
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protected void append(E eventObject) {
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i++;
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try {
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writeLock.lock();
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if ((i & 0xF) == 0) {
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delay(1);
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} else {
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//longList.stream().map(x-> x+1);
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}
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} finally {
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writeLock.unlock();
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}
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}
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}
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class ReconfiguringThread extends Thread {
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AppenderAttachableImpl<String> aai;
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ReconfiguringThread(AppenderAttachableImpl aai) {
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this.aai = aai;
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}
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public void run() {
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Thread.yield();
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for (int i = 0; i < LOOP_LEN; i++) {
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reconfigureWithDelay(aai);
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}
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}
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}
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class LoopingRunnable implements Runnable {
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int num;
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AppenderAttachableImpl<String> aai;
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public boolean active = true;
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LoopingRunnable(int num, AppenderAttachableImpl aai) {
168-
this.num = num;
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this.aai = aai;
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}
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public void run() {
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System.out.println("LoopingRunnable.run.num="+num);
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int i = 0;
175-
while (active) {
176-
if ((i & 0xFFFFF) == 0) {
177-
long id = Thread.currentThread().threadId();
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System.out.println("thread=" + id + " reconfigure=" + i);
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}
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aai.appendLoopOnAppenders(Integer.toString(i));
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i++;
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//Thread.yield();
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}
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}
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}
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// }
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//
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// private Appender<String> makeNewNOPAppender() {
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// List<Long> longList = new ArrayList<>();
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//// for (int j = 0; j < LIST_SIZE; j++) {
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//// longList.add(0L);
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//// }
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// Appender<String> nopAppenderWithDelay = new NOPAppenderWithDelay<>(longList);
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// nopAppenderWithDelay.setContext(context);
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// nopAppenderWithDelay.start();
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// return nopAppenderWithDelay;
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// }
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//
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// private void delay(int delay) {
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// try {
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// Thread.sleep(delay);
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// } catch (InterruptedException e) {
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// throw new RuntimeException(e);
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// }
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// }
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//
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// @Test
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// void smoke() throws InterruptedException, ExecutionException {
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//
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// for (int i = 0; i < THREAD_COUNT; i++) {
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// System.out.println("i="+i);
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// ReconfiguringThread rt = new ReconfiguringThread(aai);
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// futures[i] = tasksExecutor.submit(rt);
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// reconfiguringThreads[i] = rt;
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// }
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//
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// for (int i = 0; i < THREAD_COUNT; i++) {
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// LoopingRunnable loopingThread = new LoopingRunnable(i, aai);
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// tasksExecutor.submit(loopingThread);
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// loopingThreads[i] = loopingThread;
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// }
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//
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// for (int i = 0; i < THREAD_COUNT; i++) {
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// futures[i].get();
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// }
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//
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// //reconfiguringThread.join();
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// Arrays.stream(loopingThreads).forEach(lt -> lt.active = false);
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//
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// }
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//
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// public class NOPAppenderWithDelay<E> extends AppenderBase<E> {
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//
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// List<Long> longList;
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//
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// NOPAppenderWithDelay(List<Long> longList) {
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// this.longList = new ArrayList<>(longList);
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// }
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//
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// int i = 0;
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//
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// @Override
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// protected void append(E eventObject) {
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// i++;
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// try {
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// writeLock.lock();
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// if ((i & 0xF) == 0) {
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// delay(1);
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// } else {
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// //longList.stream().map(x-> x+1);
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// }
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// } finally {
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// writeLock.unlock();
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// }
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//
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// }
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//
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// }
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//
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// class ReconfiguringThread extends Thread {
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//
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// AppenderAttachableImpl<String> aai;
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//
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// ReconfiguringThread(AppenderAttachableImpl aai) {
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// this.aai = aai;
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// }
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//
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// public void run() {
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// Thread.yield();
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// for (int i = 0; i < LOOP_LEN; i++) {
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// reconfigureWithDelay(aai);
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// }
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// }
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//
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//
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// }
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//
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//
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// class LoopingRunnable implements Runnable {
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//
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// int num;
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// AppenderAttachableImpl<String> aai;
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// public boolean active = true;
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//
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// LoopingRunnable(int num, AppenderAttachableImpl aai) {
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// this.num = num;
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// this.aai = aai;
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// }
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//
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// public void run() {
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// System.out.println("LoopingRunnable.run.num="+num);
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// int i = 0;
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// while (active) {
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// if ((i & 0xFFFFF) == 0) {
177+
// long id = Thread.currentThread().threadId();
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// System.out.println("thread=" + id + " reconfigure=" + i);
179+
// }
180+
// aai.appendLoopOnAppenders(Integer.toString(i));
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// i++;
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// //Thread.yield();
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// }
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// }
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// }
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}

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