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