/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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 org.pentaho.di.trans.step;
import org.junit.Test;
import org.pentaho.di.trans.step.errorhandling.Stream;
import org.pentaho.di.trans.step.errorhandling.StreamInterface;
import static org.junit.Assert.assertNull;
/**
* @author Andrey Khayrutdinov
*/
public class StepIOMetaIT {
@Test
public void streamsListIsThreadsafe_NewObject() throws Exception {
StepIOMeta meta = new StepIOMeta( true, false, false, false, false, false );
checkStreamsListIsThreadSafe( meta );
}
@Test
public void streamsListIsThreadsafe_ClonedObject() throws Exception {
StepIOMeta meta = new StepIOMeta( true, false, false, false, false, false );
checkStreamsListIsThreadSafe( meta.clone() );
}
private void checkStreamsListIsThreadSafe( final StepIOMeta meta ) throws Exception {
final int cycles = 1000;
StreamAdder adder1 = new StreamAdder( meta, cycles );
StreamAdder adder2 = new StreamAdder( meta, cycles );
Thread t1 = new Thread( adder1, "StepIOMetaIT_thread1" );
Thread t2 = new Thread( adder2, "StepIOMetaIT_thread2" );
t1.start();
t2.start();
t1.join();
t2.join();
assertNull( adder1.getException() );
assertNull( adder2.getException() );
}
private static class StreamAdder implements Runnable {
private final StepIOMeta meta;
private final int cycles;
private Exception exception;
public StreamAdder( StepIOMeta meta, int cycles ) {
this.meta = meta;
this.cycles = cycles;
this.exception = null;
}
@Override
public void run() {
try {
for ( int i = 0; i < cycles; i++ ) {
Stream stream = new Stream( StreamInterface.StreamType.INPUT, null, null, null, null );
meta.addStream( stream );
}
} catch ( Exception e ) {
this.exception = e;
}
}
public Exception getException() {
return exception;
}
}
}