001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027package org.apache.http.impl.conn; 028 029import java.util.concurrent.TimeUnit; 030import java.util.concurrent.atomic.AtomicLong; 031 032import org.apache.commons.logging.Log; 033import org.apache.commons.logging.LogFactory; 034import org.apache.http.annotation.Contract; 035import org.apache.http.annotation.ThreadingBehavior; 036import org.apache.http.conn.ManagedHttpClientConnection; 037import org.apache.http.conn.routing.HttpRoute; 038import org.apache.http.pool.AbstractConnPool; 039import org.apache.http.pool.ConnFactory; 040import org.apache.http.pool.PoolEntryCallback; 041 042/** 043 * @since 4.3 044 */ 045@Contract(threading = ThreadingBehavior.SAFE) 046class CPool extends AbstractConnPool<HttpRoute, ManagedHttpClientConnection, CPoolEntry> { 047 048 private static final AtomicLong COUNTER = new AtomicLong(); 049 050 private final Log log = LogFactory.getLog(CPool.class); 051 private final long timeToLive; 052 private final TimeUnit tunit; 053 054 public CPool( 055 final ConnFactory<HttpRoute, ManagedHttpClientConnection> connFactory, 056 final int defaultMaxPerRoute, final int maxTotal, 057 final long timeToLive, final TimeUnit tunit) { 058 super(connFactory, defaultMaxPerRoute, maxTotal); 059 this.timeToLive = timeToLive; 060 this.tunit = tunit; 061 } 062 063 @Override 064 protected CPoolEntry createEntry(final HttpRoute route, final ManagedHttpClientConnection conn) { 065 final String id = Long.toString(COUNTER.getAndIncrement()); 066 return new CPoolEntry(this.log, id, route, conn, this.timeToLive, this.tunit); 067 } 068 069 @Override 070 protected boolean validate(final CPoolEntry entry) { 071 return !entry.getConnection().isStale(); 072 } 073 074 @Override 075 protected void enumAvailable(final PoolEntryCallback<HttpRoute, ManagedHttpClientConnection> callback) { 076 super.enumAvailable(callback); 077 } 078 079 @Override 080 protected void enumLeased(final PoolEntryCallback<HttpRoute, ManagedHttpClientConnection> callback) { 081 super.enumLeased(callback); 082 } 083 084}