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 */
017package org.apache.camel.model.loadbalancer;
018
019import javax.xml.bind.annotation.XmlAccessType;
020import javax.xml.bind.annotation.XmlAccessorType;
021import javax.xml.bind.annotation.XmlAttribute;
022import javax.xml.bind.annotation.XmlRootElement;
023
024import org.apache.camel.model.LoadBalancerDefinition;
025import org.apache.camel.processor.loadbalancer.LoadBalancer;
026import org.apache.camel.spi.RouteContext;
027import org.apache.camel.util.CamelContextHelper;
028import org.apache.camel.util.ObjectHelper;
029
030/**
031 * Represents an XML <customLoadBalancer/> element
032 */
033@XmlRootElement(name = "customLoadBalancer")
034@XmlAccessorType(XmlAccessType.FIELD)
035public 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}