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.reifier.loadbalancer;
018
019import org.apache.camel.model.LoadBalancerDefinition;
020import org.apache.camel.model.loadbalancer.CustomLoadBalancerDefinition;
021import org.apache.camel.processor.loadbalancer.LoadBalancer;
022import org.apache.camel.spi.RouteContext;
023import org.apache.camel.support.CamelContextHelper;
024import org.apache.camel.util.StringHelper;
025
026public class CustomLoadBalancerReifier extends LoadBalancerReifier<CustomLoadBalancerDefinition> {
027
028    public CustomLoadBalancerReifier(LoadBalancerDefinition definition) {
029        super((CustomLoadBalancerDefinition)definition);
030    }
031
032    @Override
033    public LoadBalancer createLoadBalancer(RouteContext routeContext) {
034        if (definition.getCustomLoadBalancer() != null) {
035            return definition.getCustomLoadBalancer();
036        }
037        StringHelper.notEmpty(definition.getRef(), "ref", this);
038        return CamelContextHelper.mandatoryLookup(routeContext.getCamelContext(), definition.getRef(), LoadBalancer.class);
039    }
040
041}