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/*
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* Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package com.sun.jndi.ldap.pool;
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/**
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* Thread that wakes up periodically and closes expired, unused connections.
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*
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* @author Rosanna Lee
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*/
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final public class PoolCleaner extends Thread {
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final private Pool[] pools;
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final private long period;
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/**
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* @param period ms to wait between cleaning
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* @param pools non-null array of Pools to clean
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*/
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public PoolCleaner(long period, Pool[] pools) {
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super();
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this.period = period;
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this.pools = (Pool[]) pools.clone();
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setDaemon(true);
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}
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public void run() {
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long threshold;
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while (true) {
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synchronized (this) {
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// Wait for duration of period ms
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try {
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wait(period);
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} catch (InterruptedException ignore) {
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}
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// Connections idle since threshold have expired
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threshold = System.currentTimeMillis() - period;
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for (int i = 0; i < pools.length; i++) {
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if (pools[i] != null) {
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pools[i].expire(threshold);
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}
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}
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}
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}
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}
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}
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