001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.model;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlRootElement;
022
023 import org.apache.camel.Expression;
024 import org.apache.camel.Processor;
025 import org.apache.camel.model.language.ExpressionType;
026 import org.apache.camel.processor.LoopProcessor;
027 import org.apache.camel.spi.RouteContext;
028
029 /**
030 * Represents an XML <loop/> element
031 *
032 * @version $Revision: 705880 $
033 */
034 @XmlRootElement(name = "loop")
035 @XmlAccessorType(XmlAccessType.FIELD)
036 public class LoopType extends ExpressionNode implements Block {
037 public LoopType() {
038 }
039
040 public LoopType(Expression expression) {
041 super(expression);
042 }
043
044 public LoopType(ExpressionType expression) {
045 super(expression);
046 }
047
048 public void setExpression(Expression<?> expr) {
049 if (expr != null) {
050 setExpression(new ExpressionType(expr));
051 }
052 }
053 @Override
054 public String toString() {
055 return "Loop[" + getExpression() + " -> " + getOutputs() + "]";
056 }
057
058 @Override
059 public String getShortName() {
060 return "loop";
061 }
062
063 @Override
064 public Processor createProcessor(RouteContext routeContext) throws Exception {
065 return new LoopProcessor(
066 getExpression().createExpression(routeContext),
067 routeContext.createProcessor(this));
068 }
069 }