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: 1456 $ 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 }