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.XmlAttribute; 022 import javax.xml.bind.annotation.XmlRootElement; 023 024 import org.apache.camel.model.LoadBalancerDefinition; 025 import org.apache.camel.processor.loadbalancer.LoadBalancer; 026 import org.apache.camel.spi.RouteContext; 027 import org.apache.camel.util.CamelContextHelper; 028 import org.apache.camel.util.ObjectHelper; 029 030 /** 031 * Represents an XML <customLoadBalancer/> element 032 */ 033 @XmlRootElement(name = "customLoadBalancer") 034 @XmlAccessorType(XmlAccessType.FIELD) 035 public class CustomLoadBalancerDefinition extends LoadBalancerDefinition { 036 037 @XmlAttribute(required = true) 038 private String ref; 039 040 public CustomLoadBalancerDefinition() { 041 } 042 043 public String getRef() { 044 return ref; 045 } 046 047 public void setRef(String ref) { 048 this.ref = ref; 049 } 050 051 @Override 052 protected LoadBalancer createLoadBalancer(RouteContext routeContext) { 053 ObjectHelper.notEmpty(ref, "ref", this); 054 return CamelContextHelper.mandatoryLookup(routeContext.getCamelContext(), ref, LoadBalancer.class); 055 } 056 057 @Override 058 public String toString() { 059 return "CustomLoadBalancer[" + ref + "]"; 060 } 061 062 }