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