javax.batch.api.chunk.listener.AbstractChunkListener Maven / Gradle / Ivy
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/*
* Copyright 2012 International Business Machines Corp.
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. 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 javax.batch.api.chunk.listener;
/**
* The AbstractChunkListener provides default
* implementations of less commonly implemented methods.
*/
public abstract class AbstractChunkListener implements ChunkListener {
/**
* Override this method if the ChunkListener
* will do something before the chunk begins.
* The default implementation does nothing.
*
* @throws Exception (or subclass) if an error occurs.
*/
@Override
public void beforeChunk() throws Exception {}
/**
* Override this method if the ChunkListener will do
* something before the chunk transaction is rolled back.
* Note afterChunk is not invoked in this case.
* @param ex specifies the exception that
* caused the roll back.
* @throws Exception (or subclass) throw if an error occurs.
*/
@Override
public void onError(Exception ex) throws Exception {}
/**
* Override this method if the ChunkListener
* will do something after the chunk ends.
* The default implementation does nothing.
*
* @throws Exception (or subclass) if an error occurs.
*/
@Override
public void afterChunk() throws Exception {}
}