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.management.mbean;
018
019import org.apache.camel.CamelContext;
020import org.apache.camel.api.management.ManagedResource;
021import org.apache.camel.api.management.mbean.ManagedRandomLoadBalancerMBean;
022import org.apache.camel.model.LoadBalanceDefinition;
023import org.apache.camel.model.ProcessorDefinition;
024import org.apache.camel.processor.loadbalancer.RandomLoadBalancer;
025
026/**
027 * @version 
028 */
029@ManagedResource(description = "Managed Random LoadBalancer")
030public class ManagedRandomLoadBalancer extends ManagedProcessor implements ManagedRandomLoadBalancerMBean {
031    private final RandomLoadBalancer processor;
032
033    public ManagedRandomLoadBalancer(CamelContext context, RandomLoadBalancer processor, LoadBalanceDefinition definition) {
034        super(context, processor, definition);
035        this.processor = processor;
036    }
037
038    @Override
039    public LoadBalanceDefinition getDefinition() {
040        return (LoadBalanceDefinition) super.getDefinition();
041    }
042
043    @Override
044    public Integer getSize() {
045        return processor.getProcessors().size();
046    }
047
048    @Override
049    public String getLastChosenProcessorId() {
050        int idx = processor.getLastChosenProcessorIndex();
051        if (idx != -1) {
052            LoadBalanceDefinition def = getDefinition();
053            ProcessorDefinition<?> output = def.getOutputs().get(idx);
054            if (output != null) {
055                return output.getId();
056            }
057        }
058        return null;
059    }
060
061}