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.loadbalancer; 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.model.ExpressionSubElementDefinition; 025 import org.apache.camel.model.LoadBalancerDefinition; 026 import org.apache.camel.processor.loadbalancer.LoadBalancer; 027 import org.apache.camel.processor.loadbalancer.StickyLoadBalancer; 028 import org.apache.camel.spi.RouteContext; 029 030 /** 031 * Represents an XML <sticky/> element 032 */ 033 @XmlRootElement(name = "sticky") 034 @XmlAccessorType(XmlAccessType.FIELD) 035 public class StickyLoadBalancerDefinition extends LoadBalancerDefinition { 036 @XmlElement(name = "correlationExpression", required = true) 037 private ExpressionSubElementDefinition correlationExpression; 038 039 public StickyLoadBalancerDefinition() { 040 } 041 042 @Override 043 protected LoadBalancer createLoadBalancer(RouteContext routeContext) { 044 return new StickyLoadBalancer(correlationExpression.createExpression(routeContext)); 045 } 046 047 public ExpressionSubElementDefinition getCorrelationExpression() { 048 return correlationExpression; 049 } 050 051 public void setCorrelationExpression(ExpressionSubElementDefinition correlationExpression) { 052 this.correlationExpression = correlationExpression; 053 } 054 055 @Override 056 public String toString() { 057 return "StickyLoadBalancer[" + correlationExpression + "]"; 058 } 059 }