com.ibm.jbatch.container.jsl.CloneUtility 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 com.ibm.jbatch.container.jsl;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import com.ibm.jbatch.jsl.model.Batchlet;
import com.ibm.jbatch.jsl.model.CheckpointAlgorithm;
import com.ibm.jbatch.jsl.model.Chunk;
import com.ibm.jbatch.jsl.model.End;
import com.ibm.jbatch.jsl.model.ExceptionClassFilter;
import com.ibm.jbatch.jsl.model.Fail;
import com.ibm.jbatch.jsl.model.ItemProcessor;
import com.ibm.jbatch.jsl.model.ItemReader;
import com.ibm.jbatch.jsl.model.ItemWriter;
import com.ibm.jbatch.jsl.model.JSLProperties;
import com.ibm.jbatch.jsl.model.Listener;
import com.ibm.jbatch.jsl.model.Listeners;
import com.ibm.jbatch.jsl.model.Next;
import com.ibm.jbatch.jsl.model.ObjectFactory;
import com.ibm.jbatch.jsl.model.Property;
import com.ibm.jbatch.jsl.model.Stop;
public class CloneUtility {
private static ObjectFactory jslFactory = new ObjectFactory();
public static Batchlet cloneBatchlet(Batchlet batchlet){
Batchlet newBatchlet = jslFactory.createBatchlet();
newBatchlet.setRef(batchlet.getRef());
newBatchlet.setProperties(cloneJSLProperties(batchlet.getProperties()));
return newBatchlet;
}
public static JSLProperties cloneJSLProperties(JSLProperties jslProps) {
if (jslProps == null) {
return null;
}
JSLProperties newJSLProps = jslFactory.createJSLProperties();
newJSLProps.setPartition(jslProps.getPartition());;
for(Property jslProp : jslProps.getPropertyList()) {
Property newProperty = jslFactory.createProperty();
newProperty.setName(jslProp.getName());
newProperty.setValue(jslProp.getValue());
newJSLProps.getPropertyList().add(newProperty);
}
return newJSLProps;
}
public static void cloneControlElements(List controlElements, List newControlElements) {
newControlElements.clear();
for (TransitionElement controlElement : controlElements) {
if (controlElement instanceof End){
End endElement = (End)controlElement;
End newEnd = jslFactory.createEnd();
newEnd.setExitStatus(endElement.getExitStatus());
newEnd.setOn(endElement.getOn());
newControlElements.add(newEnd);
}
else if (controlElement instanceof Fail){
Fail failElement = (Fail)controlElement;
Fail newFail = jslFactory.createFail();
newFail.setExitStatus(failElement.getExitStatus());
newFail.setOn(failElement.getOn());
newControlElements.add(newFail);
}
else if (controlElement instanceof Next){
Next nextElement = (Next)controlElement;
Next newNext = jslFactory.createNext();
newNext.setOn(nextElement.getOn());
newNext.setTo(nextElement.getTo());
newControlElements.add(newNext);
}
else if (controlElement instanceof Stop){
Stop stopElement = (Stop)controlElement;
Stop newStop = jslFactory.createStop();
newStop.setExitStatus(stopElement.getExitStatus());
newStop.setOn(stopElement.getOn());
newStop.setRestart(stopElement.getRestart());
newControlElements.add(newStop);
}
}
}
public static Listeners cloneListeners(Listeners listeners) {
if (listeners == null) {
return null;
}
Listeners newListeners = jslFactory.createListeners();
for(Listener listener : listeners.getListenerList()) {
Listener newListener = jslFactory.createListener();
newListeners.getListenerList().add(newListener);
newListener.setRef(listener.getRef());
newListener.setProperties(cloneJSLProperties(listener.getProperties()));
}
return newListeners;
}
public static Chunk cloneChunk(Chunk chunk) {
Chunk newChunk = jslFactory.createChunk();
newChunk.setItemCount(chunk.getItemCount());
newChunk.setRetryLimit(chunk.getRetryLimit());
newChunk.setSkipLimit(chunk.getSkipLimit());
newChunk.setTimeLimit(chunk.getTimeLimit());
newChunk.setCheckpointPolicy(chunk.getCheckpointPolicy());
newChunk.setCheckpointAlgorithm(cloneCheckpointAlorithm(chunk.getCheckpointAlgorithm()));
newChunk.setProcessor(cloneItemProcessor(chunk.getProcessor()));
newChunk.setReader(cloneItemReader(chunk.getReader()));
newChunk.setWriter(cloneItemWriter(chunk.getWriter()));
newChunk.setNoRollbackExceptionClasses(cloneExceptionClassFilter(chunk.getNoRollbackExceptionClasses()));
newChunk.setRetryableExceptionClasses(cloneExceptionClassFilter(chunk.getRetryableExceptionClasses()));
newChunk.setSkippableExceptionClasses(cloneExceptionClassFilter(chunk.getSkippableExceptionClasses()));
return newChunk;
}
private static CheckpointAlgorithm cloneCheckpointAlorithm(CheckpointAlgorithm checkpointAlgorithm){
if (checkpointAlgorithm == null) {
return null;
}
CheckpointAlgorithm newCheckpointAlgorithm = jslFactory.createCheckpointAlgorithm();
newCheckpointAlgorithm.setRef(checkpointAlgorithm.getRef());
newCheckpointAlgorithm.setProperties(cloneJSLProperties(checkpointAlgorithm.getProperties()));
return newCheckpointAlgorithm;
}
private static ItemProcessor cloneItemProcessor(ItemProcessor itemProcessor) {
if (itemProcessor == null) {
return null;
}
ItemProcessor newItemProcessor = jslFactory.createItemProcessor();
newItemProcessor.setRef(itemProcessor.getRef());
newItemProcessor.setProperties(cloneJSLProperties(itemProcessor.getProperties()));
return newItemProcessor;
}
private static ItemReader cloneItemReader(ItemReader itemReader) {
if (itemReader == null) {
return null;
}
ItemReader newItemReader = jslFactory.createItemReader();
newItemReader.setRef(itemReader.getRef());
newItemReader.setProperties(cloneJSLProperties(itemReader.getProperties()));
return newItemReader;
}
private static ItemWriter cloneItemWriter(ItemWriter itemWriter) {
ItemWriter newItemWriter = jslFactory.createItemWriter();
newItemWriter.setRef(itemWriter.getRef());
newItemWriter.setProperties(cloneJSLProperties(itemWriter.getProperties()));
return newItemWriter;
}
private static ExceptionClassFilter cloneExceptionClassFilter(ExceptionClassFilter exceptionClassFilter) {
if (exceptionClassFilter == null) {
return null;
}
ExceptionClassFilter newExceptionClassFilter = jslFactory.createExceptionClassFilter();
for (ExceptionClassFilter.Include oldInclude : exceptionClassFilter.getIncludeList()) {
newExceptionClassFilter.getIncludeList().add(cloneExceptionClassFilterInclude(oldInclude));
}
for (ExceptionClassFilter.Exclude oldExclude : exceptionClassFilter.getExcludeList()) {
newExceptionClassFilter.getExcludeList().add(cloneExceptionClassFilterExclude(oldExclude));
}
return newExceptionClassFilter;
}
private static ExceptionClassFilter.Include cloneExceptionClassFilterInclude(ExceptionClassFilter.Include include) {
if (include == null) {
return null;
}
ExceptionClassFilter.Include newInclude = jslFactory.createExceptionClassFilterInclude();
newInclude.setClazz(include.getClazz());
return newInclude;
}
private static ExceptionClassFilter.Exclude cloneExceptionClassFilterExclude(ExceptionClassFilter.Exclude exclude) {
if (exclude == null) {
return null;
}
ExceptionClassFilter.Exclude newExclude = jslFactory.createExceptionClassFilterExclude();
newExclude.setClazz(exclude.getClazz());
return newExclude;
}
/**
* Creates a java.util.Properties map from a com.ibm.jbatch.jsl.model.Properties
* object.
*
* @param xmlProperties
* @return
*/
public static Properties jslPropertiesToJavaProperties(
final JSLProperties xmlProperties) {
final Properties props = new Properties();
for (final Property prop : xmlProperties.getPropertyList()) {
props.setProperty(prop.getName(), prop.getValue());
}
return props;
}
/**
* Creates a new JSLProperties list from a java.util.Properties
* object.
*
* @param javaProps
* @return
*/
public static JSLProperties javaPropsTojslProperties(final Properties javaProps) {
JSLProperties newJSLProps = jslFactory.createJSLProperties();
Enumeration keySet = javaProps.propertyNames();
while (keySet.hasMoreElements()) {
String key = (String)keySet.nextElement();
String value = javaProps.getProperty(key);
Property newProperty = jslFactory.createProperty();
newProperty.setName(key);
newProperty.setValue(value);
newJSLProps.getPropertyList().add(newProperty);
}
return newJSLProps;
}
}