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.ManagedStickyLoadBalancerMBean; 022import org.apache.camel.model.LoadBalanceDefinition; 023import org.apache.camel.model.ProcessorDefinition; 024import org.apache.camel.model.loadbalancer.StickyLoadBalancerDefinition; 025import org.apache.camel.processor.loadbalancer.StickyLoadBalancer; 026 027/** 028 * @version 029 */ 030@ManagedResource(description = "Managed Sticky LoadBalancer") 031public class ManagedStickyLoadBalancer extends ManagedProcessor implements ManagedStickyLoadBalancerMBean { 032 private final StickyLoadBalancer processor; 033 034 public ManagedStickyLoadBalancer(CamelContext context, StickyLoadBalancer processor, LoadBalanceDefinition definition) { 035 super(context, processor, definition); 036 this.processor = processor; 037 } 038 039 @Override 040 public LoadBalanceDefinition getDefinition() { 041 return (LoadBalanceDefinition) super.getDefinition(); 042 } 043 044 @Override 045 public String getExpressionLanguage() { 046 StickyLoadBalancerDefinition sticky = (StickyLoadBalancerDefinition) getDefinition().getLoadBalancerType(); 047 return sticky.getCorrelationExpression().getExpressionType().getLanguage(); 048 } 049 050 @Override 051 public String getExpression() { 052 StickyLoadBalancerDefinition sticky = (StickyLoadBalancerDefinition) getDefinition().getLoadBalancerType(); 053 return sticky.getCorrelationExpression().getExpressionType().getExpression(); 054 } 055 056 @Override 057 public Integer getSize() { 058 return processor.getProcessors().size(); 059 } 060 061 @Override 062 public String getLastChosenProcessorId() { 063 int idx = processor.getLastChosenProcessorIndex(); 064 if (idx != -1) { 065 LoadBalanceDefinition def = getDefinition(); 066 ProcessorDefinition<?> output = def.getOutputs().get(idx); 067 if (output != null) { 068 return output.getId(); 069 } 070 } 071 return null; 072 } 073 074}