/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.model;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import org.apache.camel.Expression;
import org.apache.camel.Processor;
import org.apache.camel.model.language.ExpressionDefinition;
import org.apache.camel.processor.LoopProcessor;
import org.apache.camel.spi.RouteContext;
/**
* Represents an XML <loop/> element
*
* @version
*/
@XmlRootElement(name = "loop")
@XmlAccessorType(XmlAccessType.FIELD)
public class LoopDefinition extends ExpressionNode {
@XmlAttribute
private Boolean copy;
public LoopDefinition() {
}
public LoopDefinition(Expression expression) {
super(expression);
}
public LoopDefinition(ExpressionDefinition expression) {
super(expression);
}
/**
* Enables copy mode so a copy of the input Exchange is used for each iteration.
* That means each iteration will start from a copy of the same message.
* <p/>
* By default loop will loop the same exchange all over, so each iteration may
* have different message content.
*
* @return the builder
*/
public LoopDefinition copy() {
setCopy(true);
return this;
}
public void setExpression(Expression expr) {
setExpression(new ExpressionDefinition(expr));
}
public Boolean getCopy() {
return copy;
}
public void setCopy(Boolean copy) {
this.copy = copy;
}
public boolean isCopy() {
// do not copy by default to be backwards compatible
return copy != null ? copy : false;
}
@Override
public String toString() {
return "Loop[" + getExpression() + " -> " + getOutputs() + "]";
}
@Override
public String getShortName() {
return "loop";
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
Processor output = this.createChildProcessor(routeContext, true);
return new LoopProcessor(output, getExpression().createExpression(routeContext), isCopy());
}
}