001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: *
023: * Free Software Foundation, Inc.
024: * 59 Temple Place, Suite 330
025: * Boston, MA 02111-1307 USA
026: *
027: * @author Scott Ferguson
028: */
029:
030: package com.caucho.jms.queue;
031:
032: import com.caucho.management.server.*;
033: import java.util.Date;
034:
035: /**
036: * Administration for a JMS queue
037: */
038: public class QueueAdmin extends AbstractManagedObject implements
039: JmsQueueMXBean {
040: private final AbstractQueue _queue;
041:
042: public QueueAdmin(AbstractQueue queue) {
043: _queue = queue;
044: }
045:
046: //
047: // configuration attributes
048: //
049:
050: /**
051: * Returns the queue's name
052: */
053: public String getName() {
054: return _queue.getName();
055: }
056:
057: /**
058: * Returns the queue's url
059: */
060: public String getUrl() {
061: return _queue.getUrl();
062: }
063:
064: //
065: // statistics attributes
066: //
067:
068: /**
069: * Returns the number of active message consumers
070: */
071: public int getConsumerCount() {
072: return _queue.getConsumerCount();
073: }
074:
075: /**
076: * Returns the number of active message consumers
077: */
078: public int getQueueSize() {
079: return _queue.getQueueSize();
080: }
081:
082: /**
083: * Returns the number of listener failures.
084: */
085: public long getListenerFailCountTotal() {
086: return _queue.getListenerFailCountTotal();
087: }
088:
089: /**
090: * Returns the time of the last listener failure
091: */
092: public Date getListenerFailLastTime() {
093: long time = _queue.getListenerFailLastTime();
094:
095: if (time <= 0)
096: return null;
097: else
098: return new Date(time);
099: }
100:
101: void register() {
102: registerSelf();
103: }
104:
105: void unregister() {
106: unregisterSelf();
107: }
108:
109: public String toString() {
110: return "QueueAdmin[" + getObjectName() + "]";
111: }
112: }
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