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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.client; |
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package uk.org.iscream.client; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.clientinterface.*; |
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import uk.ac.ukc.iscream.componentmanager.*; |
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import uk.ac.ukc.iscream.core.*; |
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import uk.ac.ukc.iscream.util.*; |
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import uk.org.iscream.clientinterface.*; |
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import uk.org.iscream.componentmanager.*; |
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import uk.org.iscream.core.*; |
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import uk.org.iscream.util.*; |
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/** |
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* A startup component for the Local Clients. |
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_logger = _refman.getLogger(); |
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_logger.write(toString(), Logger.SYSINIT, "coming up"); |
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// configuration variables we require |
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int queueMonitorInterval = 0; |
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Configuration config = _refman.getCM().getConfiguration("LocalClient"); |
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if (config == null) { |
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throw new ComponentStartException("Unable to obtain configuration for component"); |
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} |
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else { |
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try { |
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// get the configuration properties we need |
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queueMonitorInterval = Integer.parseInt(config.getProperty("Queue.MonitorInterval")); |
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} catch (org.omg.CORBA.MARSHAL e) { |
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throw new ComponentStartException("Unable to obtain requried configuration property for component"); |
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// get a reference to the configuration proxy |
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ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
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// see if these Queue's need a size limit |
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try { |
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int queueSizeLimit = Integer.parseInt(cp.getProperty(NAME, "Queue.SizeLimit")); |
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String queueRemoveAlgorithm = cp.getProperty(NAME, "Queue.RemoveAlgorithm"); |
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int algorithm = StringUtils.getStringPos(queueRemoveAlgorithm, Queue.algorithms); |
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if(algorithm != -1) { |
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_logger.write(toString(), Logger.DEBUG, "Starting 2 Queues with size limit of "+queueSizeLimit+", using remove algorithm "+queueRemoveAlgorithm); |
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// we have valid values, so lets start it. |
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_alerterQueue = new Queue(queueSizeLimit, algorithm); |
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_monitorQueue = new Queue(queueSizeLimit, algorithm); |
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} |
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else { |
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_logger.write(toString(), Logger.WARNING, "Bad Queue Algorithm configuration, not known: "+queueRemoveAlgorithm); |
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// just don't activate a limit |
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_alerterQueue = new Queue(); |
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_monitorQueue = new Queue(); |
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} |
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} catch (PropertyNotFoundException e) { |
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_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e); |
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// just don't activate a limit |
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_alerterQueue = new Queue(); |
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_monitorQueue = new Queue(); |
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} catch (NumberFormatException e) { |
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_logger.write(toString(), Logger.WARNING, "Bad Queue SizeLimit configuration: "+e); |
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// just don't activate a limit |
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_alerterQueue = new Queue(); |
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_monitorQueue = new Queue(); |
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} |
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_logger.write(toString(), Logger.SYSINIT, "configured"); |
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// setup the queues, this must be done before both managers are setup |
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String queueName; |
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// setup a Queue for the servant -> monitor manager |
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_monitorQueue = new Queue(); |
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// startup monitors on these queues |
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try { |
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// try to get the interval, if this fails, we won't start up the monitor |
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int queueMonitorInterval = Integer.parseInt(cp.getProperty(NAME, "Queue.MonitorInterval")); |
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_alerterQueue.startMonitor(queueMonitorInterval*1000, _monitorQueue, NAME + " DataQueue"); |
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_monitorQueue.startMonitor(queueMonitorInterval*1000, _monitorQueue, NAME + " HeartbeatQueue"); |
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} catch (PropertyNotFoundException e) { |
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_logger.write(toString(), Logger.WARNING, "failed to find queue monitor config, disabling. " + e); |
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} |
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// setup a Queue for the monitors -> alert manager |
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_alerterQueue = new Queue(); |
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// setup the servant and connect |
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_logger.write(toString(), Logger.SYSINIT, "starting servant and connecting"); |
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try { |
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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.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 |
