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/*
* Copyright 2013 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
*
* https://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;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.batch.api.chunk.listener.ChunkListener;
import javax.batch.api.chunk.listener.ItemProcessListener;
import javax.batch.api.chunk.listener.ItemReadListener;
import javax.batch.api.chunk.listener.ItemWriteListener;
import javax.batch.api.chunk.listener.RetryProcessListener;
import javax.batch.api.chunk.listener.RetryReadListener;
import javax.batch.api.chunk.listener.RetryWriteListener;
import javax.batch.api.chunk.listener.SkipProcessListener;
import javax.batch.api.chunk.listener.SkipReadListener;
import javax.batch.api.chunk.listener.SkipWriteListener;
import javax.batch.api.listener.StepListener;
import org.springframework.batch.core.listener.ListenerMetaData;
import org.springframework.batch.core.listener.StepListenerFactoryBean;
/**
* Enumeration for the JSR specific {@link StepListener} meta data, which
* ties together the names of methods, their interfaces, and expected arguments.
*
* @author Michael Minella
* @author Chris Schaefer
* @since 3.0
* @see StepListenerFactoryBean
*/
public enum JsrStepListenerMetaData implements ListenerMetaData {
BEFORE_STEP("beforeStep", "jsr-before-step", StepListener.class),
AFTER_STEP("afterStep", "jsr-after-step", StepListener.class),
BEFORE_CHUNK("beforeChunk", "jsr-before-chunk", ChunkListener.class),
AFTER_CHUNK("afterChunk", "jsr-after-chunk", ChunkListener.class),
AFTER_CHUNK_ERROR("onError", "jsr-after-chunk-error", ChunkListener.class, Exception.class),
BEFORE_READ("beforeRead", "jsr-before-read", ItemReadListener.class),
AFTER_READ("afterRead", "jsr-after-read", ItemReadListener.class, Object.class),
AFTER_READ_ERROR("onReadError", "jsr-after-read-error", ItemReadListener.class, Exception.class),
BEFORE_PROCESS("beforeProcess", "jsr-before-process", ItemProcessListener.class, Object.class),
AFTER_PROCESS("afterProcess", "jsr-after-process", ItemProcessListener.class, Object.class, Object.class),
AFTER_PROCESS_ERROR("onProcessError", "jsr-after-process-error", ItemProcessListener.class, Object.class, Exception.class),
BEFORE_WRITE("beforeWrite", "jsr-before-write", ItemWriteListener.class, List.class),
AFTER_WRITE("afterWrite", "jsr-after-write", ItemWriteListener.class, List.class),
AFTER_WRITE_ERROR("onWriteError", "jsr-after-write-error", ItemWriteListener.class, List.class, Exception.class),
SKIP_READ("onSkipReadItem", "jsr-skip-read", SkipReadListener.class, Exception.class),
SKIP_PROCESS("onSkipProcessItem", "jsr-skip-process", SkipProcessListener.class, Object.class, Exception.class),
SKIP_WRITE("onSkipWriteItem", "jsr-skip-write", SkipWriteListener.class, List.class, Exception.class),
RETRY_READ("onRetryReadException", "jsr-retry-read", RetryReadListener.class, Exception.class),
RETRY_PROCESS("onRetryProcessException", "jsr-retry-process", RetryProcessListener.class, Object.class, Exception.class),
RETRY_WRITE("onRetryWriteException", "jsr-retry-write", RetryWriteListener.class, List.class, Exception.class);
private final String methodName;
private final String propertyName;
private final Class listenerInterface;
private static final Map propertyMap;
private final Class[] paramTypes;
JsrStepListenerMetaData(String methodName, String propertyName, Class listenerInterface, Class... paramTypes) {
this.propertyName = propertyName;
this.methodName = methodName;
this.listenerInterface = listenerInterface;
this.paramTypes = paramTypes;
}
static{
propertyMap = new HashMap<>();
for(JsrStepListenerMetaData metaData : values()){
propertyMap.put(metaData.getPropertyName(), metaData);
}
}
@Override
public String getMethodName() {
return methodName;
}
@Override
public Class getAnnotation() {
return null;
}
@Override
public Class getListenerInterface() {
return listenerInterface;
}
@Override
public Class[] getParamTypes() {
return paramTypes;
}
@Override
public String getPropertyName() {
return propertyName;
}
/**
* Return the relevant meta data for the provided property name.
*
* @param propertyName the name of the property to return.
* @return meta data with supplied property name, null if none exists.
*/
public static JsrStepListenerMetaData fromPropertyName(String propertyName){
return propertyMap.get(propertyName);
}
}