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/** 027 * @version 028 */ 029@ManagedResource(description = "Managed RoundRobin LoadBalancer") 030public class ManagedRoundRobinLoadBalancer extends ManagedProcessor implements ManagedRoundRobinLoadBalancerMBean { 031 private final RoundRobinLoadBalancer processor; 032 033 public ManagedRoundRobinLoadBalancer(CamelContext context, RoundRobinLoadBalancer 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}