1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/tsccm/BasicPoolEntry.java $ 3 * $Revision: 652721 $ 4 * $Date: 2008-05-01 17:32:20 -0700 (Thu, 01 May 2008) $ 5 * 6 * ==================================================================== 7 * 8 * Licensed to the Apache Software Foundation (ASF) under one or more 9 * contributor license agreements. See the NOTICE file distributed with 10 * this work for additional information regarding copyright ownership. 11 * The ASF licenses this file to You under the Apache License, Version 2.0 12 * (the "License"); you may not use this file except in compliance with 13 * the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, software 18 * distributed under the License is distributed on an "AS IS" BASIS, 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 * ==================================================================== 23 * 24 * This software consists of voluntary contributions made by many 25 * individuals on behalf of the Apache Software Foundation. For more 26 * information on the Apache Software Foundation, please see 27 * <http://www.apache.org/>. 28 * 29 */ 30 31 package org.apache.http.impl.conn.tsccm; 32 33 34 import java.lang.ref.ReferenceQueue; 35 36 import org.apache.http.conn.OperatedClientConnection; 37 import org.apache.http.conn.ClientConnectionOperator; 38 import org.apache.http.conn.routing.HttpRoute; 39 import org.apache.http.impl.conn.AbstractPoolEntry; 40 41 42 43 /** 44 * Basic implementation of a connection pool entry. 45 */ 46 public class BasicPoolEntry extends AbstractPoolEntry { 47 48 /** 49 * A weak reference to <code>this</code> used to detect GC of entries. 50 * Pool entries can only be GCed when they are allocated by an application 51 * and therefore not referenced with a hard link in the manager. 52 */ 53 private final BasicPoolEntryRef reference; 54 55 /** 56 * Creates a new pool entry. 57 * 58 * @param op the connection operator 59 * @param route the planned route for the connection 60 * @param queue the reference queue for tracking GC of this entry, 61 * or <code>null</code> 62 */ 63 public BasicPoolEntry(ClientConnectionOperator op, 64 HttpRoute route, 65 ReferenceQueue<Object> queue) { 66 super(op, route); 67 if (route == null) { 68 throw new IllegalArgumentException("HTTP route may not be null"); 69 } 70 this.reference = new BasicPoolEntryRef(this, queue); 71 } 72 73 protected final OperatedClientConnection getConnection() { 74 return super.connection; 75 } 76 77 protected final HttpRoute getPlannedRoute() { 78 return super.route; 79 } 80 81 protected final BasicPoolEntryRef getWeakRef() { 82 return this.reference; 83 } 84 85 86 } // class BasicPoolEntry 87 88 89
