2362N/A * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Represents a description of PooledConnection in Connections. 0N/A * Contains a PooledConnection, its state (busy, idle, expired), and idle time. 0N/A * Any access or update to a descriptor's state is synchronized. 0N/A * @author Rosanna Lee 0N/A // Package private because used by Pool.showStats() 0N/A private long useCount =
0;
// for stats & debugging only 0N/A * Two desc are equal if their PooledConnections are the same. 0N/A * This is useful when searching for a ConnectionDesc using only its 0N/A * Hashcode is that of PooledConnection to facilitate 0N/A * searching for a ConnectionDesc using only its PooledConnection. 0N/A * Changes the state of a ConnectionDesc from BUSY to IDLE and 0N/A * records the current time so that we will know how long it has been idle. 0N/A * @return true if state change occurred. 0N/A return true;
// Connection released, ready for reuse 0N/A return false;
// Connection wasn't busy to begin with 0N/A * If ConnectionDesc is IDLE, change its state to BUSY and return 0N/A * @return ConnectionDesc's PooledConnection if it was idle; null otherwise. 0N/A * If ConnectionDesc is IDLE and has expired, close the corresponding 0N/A * @param threshold a connection that has been idle before this time 0N/A * @return true if entry is idle and has expired; false otherwise. 0N/A d(
"expire(): expired");
0N/A return true;
// Expiration successful 0N/A d(
"expire(): not expired");
0N/A return false;
// Expiration did not occur 0N/A // Used by Pool.showStats() 0N/A // Used by Pool.showStats()