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.XmlElement; 022 import javax.xml.bind.annotation.XmlRootElement; 023 024 import org.apache.camel.Expression; 025 import org.apache.camel.Processor; 026 import org.apache.camel.model.language.ExpressionType; 027 import org.apache.camel.processor.Delayer; 028 import org.apache.camel.spi.RouteContext; 029 import org.apache.camel.util.ObjectHelper; 030 031 /** 032 * Represents an XML <delayer/> element 033 * 034 * @version $Revision: 45734 $ 035 */ 036 @XmlRootElement(name = "delayer") 037 @XmlAccessorType(XmlAccessType.FIELD) 038 public class DelayerType extends ExpressionNode { 039 @XmlElement 040 private Long delay = 0L; 041 042 public DelayerType() { 043 } 044 045 public DelayerType(Expression processAtExpression) { 046 super(processAtExpression); 047 } 048 049 public DelayerType(ExpressionType processAtExpression) { 050 super(processAtExpression); 051 } 052 053 public DelayerType(Expression processAtExpression, long delay) { 054 super(processAtExpression); 055 this.delay = delay; 056 } 057 058 @Override 059 public String toString() { 060 return "Delayer[ " + getExpression() + " -> " + getOutputs() + "]"; 061 } 062 063 @Override 064 public String getShortName() { 065 return "delayer"; 066 } 067 068 public Long getDelay() { 069 return delay; 070 } 071 072 public void setDelay(Long delay) { 073 this.delay = delay; 074 } 075 076 @Override 077 public Processor createProcessor(RouteContext routeContext) throws Exception { 078 Processor childProcessor = routeContext.createProcessor(this); 079 Expression processAtExpression = createAbsoluteTimeDelayExpression(routeContext); 080 return new Delayer(childProcessor, processAtExpression, delay); 081 } 082 083 private Expression createAbsoluteTimeDelayExpression(RouteContext routeContext) { 084 ExpressionType expr = getExpression(); 085 if (expr != null) { 086 if (ObjectHelper.isNotNullAndNonEmpty(expr.getLanguage())) { 087 return expr.createExpression(routeContext); 088 } 089 } 090 return null; 091 } 092 }