/* |
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* Copyright (c) 2002, 2003, Oracle and/or its affiliates. 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.jndi.ldap.pool; |
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/** |
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* Is a reference to Connections that is stored in Pool. |
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* This is an intermediate object that is outside of the circular |
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* reference loop of |
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* com.sun.jndi.ldap.Connection <-> com.sun.jndi.ldap.LdapClient |
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* <-> com.sun.jndi.ldap.pool.Connections |
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* |
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* Because Connection is a daemon thread, it will keep LdapClient |
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* alive until LdapClient closes Connection. This will in turn |
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* keep Connections alive. So even when Connections is removed |
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* from (the WeakHashMap of) Pool, it won't be finalized. |
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* ConnectionsRef acts as Connections's finalizer. |
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* |
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* Without connection pooling, com.sun.jndi.ldap.LdapCtx's finalize() |
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* closes LdapClient, which in turn closes Connection. |
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* With connection pooling, ConnectionsRef's finalize() calls |
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* Connections.close(), which in turn will close all idle connections |
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* and mark Connections such that in-use connections will be closed |
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* when they are returned to the pool. |
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*/ |
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final class ConnectionsRef { |
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final private Connections conns; |
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ConnectionsRef(Connections conns) { |
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this.conns = conns; |
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} |
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Connections getConnections() { |
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return conns; |
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} |
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} |