/**
* NOTE: This copyright does *not* cover user programs that use Hyperic
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2010], VMware, Inc.
* This file is part of Hyperic .
*
* Hyperic is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program is distributed
* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
*/
package org.hyperic.hq.plugin.rabbitmq.collect;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hyperic.hq.plugin.rabbitmq.core.HypericRabbitAdmin;
import java.util.Properties;
import org.hyperic.hq.plugin.rabbitmq.core.RabbitQueue;
import org.hyperic.hq.plugin.rabbitmq.core.RabbitStatsObject;
import org.hyperic.hq.product.Metric;
/**
* QueueCollector
* @author Helena Edelson
*/
public class QueueCollector extends RabbitStatsCollector {
private static final Log logger = LogFactory.getLog(QueueCollector.class);
public RabbitStatsObject collectStats(HypericRabbitAdmin rabbitAdmin) {
Properties props = getProperties();
String vhost = (String) props.get(MetricConstants.VHOST);
String queue = (String) props.get(MetricConstants.QUEUE);
if (logger.isDebugEnabled()) {
String node = (String) props.get(MetricConstants.NODE);
logger.debug("[collect] queue='" + queue + "' vhost='" + vhost + "' node='" + node + "'");
}
RabbitStatsObject res = null;
try {
HypericRabbitAdmin admin = new HypericRabbitAdmin(props);
RabbitQueue q = admin.getVirtualQueue(vhost, queue);
setAvailability(q.getIdleSince() == null ? Metric.AVAIL_UP : Metric.AVAIL_PAUSED);
setValue("idleTime", q.getIdleSince() == null ? 0 : new Date().getTime() - q.getIdleSince().getTime());
setValue("messages", q.getMessages());
setValue("consumers", q.getConsumers());
setValue("messagesReady", q.getMessagesReady());
setValue("messagesUnacknowledged", q.getMessagesUnacknowledged());
setValue("memory", q.getMemory());
res = q;
} catch (Exception ex) {
setAvailability(false);
logger.debug(ex.getMessage(), ex);
}
return res;
}
@Override
public Log getLog() {
return logger;
}
}