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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.util; |
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package uk.org.iscream.cms.server.util; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.util.*; |
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import uk.org.iscream.cms.server.util.*; |
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/** |
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* This class monitors a given Queue at regular intervals, |
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* @param name A name to identify the source Queue with |
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*/ |
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public QueueMonitor (Queue sourceQueue, Queue destQueue, long interval, String name) { |
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// set the Thread name |
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setName("util.QueueMonitor"); |
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_sourceQueue = sourceQueue; |
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_destQueue = destQueue; |
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_interval = interval; |
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try { Thread.sleep(_interval); } catch(Exception e) {} |
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// check the Queue |
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String status = _sourceQueue.xmlStatus(); |
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// get a hash of our Queue (for identification) |
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String hashCode = String.valueOf(_sourceQueue.hashCode()); |
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// create some XML |
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String date = new Long(System.currentTimeMillis()/((long) 1000)).toString(); |
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String xml = "<packet type=\"queueStat\" date=\""+date+"\" name=\""+_srcName+"\">" + status + "</packet>"; |
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String xml = "<packet type=\"queueStat\" date=\""+date+"\" name=\""+_srcName+"\" hashCode=\""+hashCode+"\">" + status + "</packet>"; |
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// write XML to destination Queue |
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_destQueue.add(xml); |
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} |
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public void shutdown() { |
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// this will stop the main loop |
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_run = false; |
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// get a hash of our Queue (for identification) |
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String hashCode = String.valueOf(_sourceQueue.hashCode()); |
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// create some XML |
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String date = new Long(System.currentTimeMillis()/((long) 1000)).toString(); |
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String xml = "<packet type=\"queueStat\" date=\""+date+"\" name=\""+_srcName+"\" shutdown=\"true\"></packet>"; |
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String xml = "<packet type=\"queueStat\" date=\""+date+"\" name=\""+_srcName+"\" hashCode=\""+hashCode+"\" shutdown=\"true\"></packet>"; |
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// write XML to destination Queue |
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_destQueue.add(xml); |
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} |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.FormatName class |
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* This uses the uk.org.iscream.cms.server.util.FormatName class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
