| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| *******************************************************************************/ |
| package org.ofbiz.base.concurrent.test; |
| |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.ofbiz.base.concurrent.ExecutionPool; |
| import org.ofbiz.base.concurrent.TTLObject; |
| import org.ofbiz.base.lang.SourceMonitored; |
| import org.ofbiz.base.test.GenericTestCaseBase; |
| |
| @SourceMonitored |
| public abstract class TTLObjectTest extends GenericTestCaseBase { |
| static { |
| TTLObject.setDefaultTTLForClass(TTLObjectTestTTLObject.class, 100); |
| } |
| |
| protected final AtomicInteger doneCount = new AtomicInteger(); |
| protected final AtomicReference<Thread> lastLoadThread = new AtomicReference<Thread>(); |
| protected final AtomicReference<Thrower> throwException = new AtomicReference<Thrower>(); |
| |
| protected final TTLObjectTestTTLObject object; |
| protected String loadData; |
| protected long sleepTime; |
| protected ScheduledExecutorService executor; |
| |
| protected TTLObjectTest(String name, boolean foreground) { |
| super(name); |
| object = new TTLObjectTestTTLObject(foreground); |
| } |
| |
| @Override |
| protected void setUp() throws InterruptedException { |
| executor = ExecutionPool.getExecutor(new ThreadGroup("TTLObjectTest"), getName(), -1, true); |
| } |
| |
| @Override |
| protected void tearDown() throws InterruptedException { |
| doneCount.set(0); |
| lastLoadThread.set(null); |
| throwException.set(null); |
| List<Runnable> runnables = executor.shutdownNow(); |
| assertEquals("no runnables", 0, runnables.size()); |
| } |
| |
| protected Future<Void> schedule(Callable<Void> callable, long millis) { |
| return executor.schedule(callable, millis, TimeUnit.MILLISECONDS); |
| } |
| |
| protected Future<Void> setObjectDelayed(long millis, final String value) { |
| return schedule(new Callable<Void>() { |
| public Void call() throws Exception { |
| object.set(value); |
| return null; |
| } |
| }, millis); |
| } |
| |
| protected void assertGetObject(String label, String wantedData, int wantedDoneCount, long minTime, long maxTime) throws Exception { |
| long t1 = System.nanoTime(); |
| assertEquals(label + ": data", wantedData, object.getObject()); |
| object.getSerial(); |
| assertEquals(label + ": doneCount", wantedDoneCount, doneCount.get()); |
| long t2 = System.nanoTime(); |
| long time = t2 - t1; |
| assertNotSame(label + ": long enough(" + time + " >= " + minTime + ")", time - minTime, Math.abs(time - minTime)); |
| assertNotSame(label + ": quick enough(" + time + " <= " + maxTime + ")", maxTime - time, Math.abs(maxTime - time)); |
| } |
| |
| public interface Thrower { |
| void throwException() throws InterruptedException, Exception; |
| } |
| |
| protected final class TTLObjectTestTTLObject extends TTLObject<String> { |
| private final boolean foreground; |
| |
| protected TTLObjectTestTTLObject(boolean foreground) { |
| this.foreground = foreground; |
| } |
| |
| @Override |
| public long getTTL() throws ConfigurationException { |
| return super.getTTL(); |
| } |
| |
| @Override |
| protected boolean getForeground() { |
| return foreground ? super.getForeground() : false; |
| } |
| |
| @Override |
| protected String load(String old, int serial) throws Exception { |
| lastLoadThread.set(Thread.currentThread()); |
| try { |
| long end = System.nanoTime() + sleepTime * 1000000; |
| while (System.nanoTime() <= end) { |
| Thread.sleep(10); |
| if (checkSerial(serial)) break; |
| } |
| Thrower thrower = throwException.get(); |
| throwException.compareAndSet(thrower, null); |
| if (thrower != null) { |
| thrower.throwException(); |
| } |
| } finally { |
| doneCount.incrementAndGet(); |
| } |
| return loadData; |
| } |
| |
| public void set(String value) throws ObjectException { |
| setObject(value); |
| } |
| } |
| } |