/*
* Copyright 2013-2014 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.jsr.step.batchlet;
import javax.batch.api.Batchlet;
import javax.batch.operations.BatchRuntimeException;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.scope.context.ChunkContext;
import org.springframework.batch.core.step.tasklet.StoppableTasklet;
import org.springframework.batch.repeat.RepeatStatus;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
*
* @author Michael Minella
* @since 3.0
*/
public class BatchletAdapter implements StoppableTasklet {
private Batchlet batchlet;
public BatchletAdapter(Batchlet batchlet) {
Assert.notNull(batchlet, "A Batchlet implementation is required");
this.batchlet = batchlet;
}
@Override
public RepeatStatus execute(StepContribution contribution,
ChunkContext chunkContext) throws Exception {
String exitStatus;
try {
exitStatus = batchlet.process();
} finally {
chunkContext.setComplete();
}
if(StringUtils.hasText(exitStatus)) {
contribution.setExitStatus(new ExitStatus(exitStatus));
}
return RepeatStatus.FINISHED;
}
@Override
public void stop() {
try {
batchlet.stop();
} catch (Exception e) {
throw new BatchRuntimeException(e);
}
}
}