/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.spi.impl.operationexecutor.impl;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.impl.PartitionSpecificRunnable;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.atomic.AtomicReference;
import static com.hazelcast.spi.Operation.GENERIC_PARTITION_ID;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class OperationExecutorImpl_RunOrExecuteTest extends OperationExecutorImpl_AbstractTest {
@Test(expected = NullPointerException.class)
public void whenNullOperation() {
initExecutor();
executor.runOrExecute(null);
}
// ============= generic operations ==============================
@Test
public void whenGenericOperation_andCallingFromUserThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
Operation operation = new ThreadCapturingOperation(executingThread);
executor.runOrExecute(operation);
assertSame(Thread.currentThread(), executingThread.get());
}
@Test
public void whenGenericOperation_andCallingFromPartitionThread_thenExecuteOnPartitionThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread);
final PartitionSpecificCallable<Thread> task = new PartitionSpecificCallable<Thread>(0) {
@Override
public Thread call() {
executor.runOrExecute(operation);
return Thread.currentThread();
}
};
executor.execute(task);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertSame(task.getResult(), executingThread.get());
}
});
}
@Test
public void whenGenericOperation_andCallingFromGenericThread_thenExecuteOnGenericThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread);
final PartitionSpecificCallable<Thread> task = new PartitionSpecificCallable<Thread>(GENERIC_PARTITION_ID) {
@Override
public Thread call() {
executor.runOrExecute(operation);
return Thread.currentThread();
}
};
executor.execute(task);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertSame(task.getResult(), executingThread.get());
}
});
}
@Test
public void whenGenericOperation_andCallingFromOperationHostileThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread);
DummyOperationHostileThread thread = new DummyOperationHostileThread(new Runnable() {
@Override
public void run() {
executor.runOrExecute(operation);
}
});
thread.start();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertInstanceOf(GenericOperationThread.class, executingThread.get());
}
});
}
// ===================== partition specific operations ========================
@Test
public void whenPartitionOperation_andCallingFromUserThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread).setPartitionId(0);
executor.runOrExecute(operation);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertInstanceOf(PartitionOperationThread.class, executingThread.get());
}
});
}
@Test
public void whenPartitionOperation_andCallingFromGenericThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread).setPartitionId(0);
executor.execute(new PartitionSpecificRunnable() {
@Override
public int getPartitionId() {
return -1;
}
@Override
public void run() {
executor.runOrExecute(operation);
}
});
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertInstanceOf(PartitionOperationThread.class, executingThread.get());
}
});
}
@Test
public void whenPartitionOperation_andCallingFromPartitionOperationThread_andCorrectPartition() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread).setPartitionId(0);
final PartitionSpecificCallable<Thread> task = new PartitionSpecificCallable<Thread>(operation.getPartitionId()) {
@Override
public Thread call() {
executor.runOrExecute(operation);
return Thread.currentThread();
}
};
executor.execute(task);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertSame(task.getResult(), executingThread.get());
}
});
}
@Test
public void whenPartitionOperation_andCallingFromPartitionOperationThread_andWrongPartition() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread).setPartitionId(0);
final PartitionSpecificCallable<Thread> task = new PartitionSpecificCallable<Thread>(operation.getPartitionId() + 1) {
@Override
public Thread call() {
executor.runOrExecute(operation);
return Thread.currentThread();
}
};
executor.execute(task);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertInstanceOf(PartitionOperationThread.class, executingThread.get());
assertNotSame(task.getResult(), executingThread.get());
}
});
}
@Test
public void whenPartitionOperation_andCallingFromOperationHostileThread() {
initExecutor();
final AtomicReference<Thread> executingThread = new AtomicReference<Thread>();
final Operation operation = new ThreadCapturingOperation(executingThread).setPartitionId(0);
DummyOperationHostileThread thread = new DummyOperationHostileThread(new Runnable() {
@Override
public void run() {
executor.runOrExecute(operation);
}
});
thread.start();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertInstanceOf(PartitionOperationThread.class, executingThread.get());
}
});
}
private static class ThreadCapturingOperation extends Operation {
private final AtomicReference<Thread> executingThread;
ThreadCapturingOperation(AtomicReference<Thread> executingThread) {
this.executingThread = executingThread;
}
@Override
public void run() throws Exception {
executingThread.set(Thread.currentThread());
}
}
}