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 */ 017 package org.apache.camel.impl; 018 019 import java.util.Map; 020 021 import org.apache.camel.CamelContext; 022 import org.apache.camel.Endpoint; 023 import org.apache.camel.StaticService; 024 import org.apache.camel.util.CamelContextHelper; 025 import org.apache.camel.util.LRUSoftCache; 026 import org.apache.camel.util.ServiceHelper; 027 028 /** 029 * Endpoint registry which is a based on a {@link org.apache.camel.util.LRUSoftCache}. 030 * <p/> 031 * We use a soft reference cache to allow the JVM to re-claim memory if it runs low on memory. 032 */ 033 public class EndpointRegistry extends LRUSoftCache<EndpointKey, Endpoint> implements StaticService { 034 private static final long serialVersionUID = 1L; 035 private final CamelContext context; 036 037 public EndpointRegistry(CamelContext context) { 038 // do not stop on eviction, as the endpoint may still be in use 039 super(CamelContextHelper.getMaximumEndpointCacheSize(context), CamelContextHelper.getMaximumEndpointCacheSize(context), false); 040 this.context = context; 041 } 042 043 public EndpointRegistry(CamelContext context, Map<EndpointKey, Endpoint> endpoints) { 044 this(context); 045 putAll(endpoints); 046 } 047 048 @Override 049 public void start() throws Exception { 050 resetStatistics(); 051 } 052 053 @Override 054 public void stop() throws Exception { 055 if (!isEmpty()) { 056 ServiceHelper.stopServices(values()); 057 } 058 purge(); 059 } 060 061 /** 062 * Purges the cache 063 */ 064 public void purge() { 065 clear(); 066 } 067 068 @Override 069 public String toString() { 070 return "EndpointRegistry for " + context.getName() + ", capacity: " + getMaxCacheSize(); 071 } 072 }