| /** |
| * 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()); |
| } |
| |
| } |