/*
* Copyright 2006-2014 the original author or authors.
*
* 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.springframework.batch.core.test.step;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletionService;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorCompletionService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobInstance;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepExecution;
import org.springframework.util.SerializationUtils;
/**
* @author Dave Syer
* @author Michael Minella
*/
public class StepExecutionSerializationUtilsTests {
@Test
public void testCycle() throws Exception {
StepExecution stepExecution = new StepExecution("step", new JobExecution(new JobInstance(123L,
"job"), 321L, new JobParameters(), null), 11L);
stepExecution.getExecutionContext().put("foo.bar.spam", 123);
StepExecution result = getCopy(stepExecution);
assertEquals(stepExecution, result);
}
@Test
public void testMultipleCycles() throws Throwable {
int count = 0;
int repeats = 100;
int threads = 10;
Executor executor = Executors.newFixedThreadPool(threads);
CompletionService<StepExecution> completionService = new ExecutorCompletionService<StepExecution>(executor);
for (int i = 0; i < repeats; i++) {
final JobExecution jobExecution = new JobExecution(new JobInstance(123L, "job"), 321L, new JobParameters(), null);
for (int j = 0; j < threads; j++) {
completionService.submit(new Callable<StepExecution>() {
@Override
public StepExecution call() throws Exception {
final StepExecution stepExecution = jobExecution.createStepExecution("step");
stepExecution.getExecutionContext().put("foo.bar.spam", 123);
StepExecution result = getCopy(stepExecution);
assertEquals(stepExecution.getExecutionContext(), result.getExecutionContext());
return result;
}
});
}
for (int j = 0; j < threads; j++) {
Future<StepExecution> future = completionService.poll(repeats, TimeUnit.MILLISECONDS);
if (future != null) {
count++;
try {
future.get();
} catch (Throwable e) {
throw new IllegalStateException("Failed on count="+count, e);
}
}
}
}
while (count < threads*repeats) {
Future<StepExecution> future = completionService.poll();
count++;
try {
future.get();
} catch (Throwable e) {
throw new IllegalStateException("Failed on count="+count, e);
}
}
}
private StepExecution getCopy(StepExecution stepExecution) {
return (StepExecution) SerializationUtils.deserialize(SerializationUtils.serialize(stepExecution));
}
}