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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.componentmanager; |
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package uk.org.iscream.componentmanager; |
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//---IMPORTS--- |
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import java.util.*; |
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import java.io.*; |
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import uk.ac.ukc.iscream.util.*; |
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import uk.org.iscream.util.*; |
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/** |
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* The component manager is the starting point for all |
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* It loads its initial system configuration from the |
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* default properties file, it then starts all the iscream |
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* components as specified in the default.properties under |
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* uk.ac.ukc.iscream.ComponentList |
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* uk.org.iscream.ComponentList |
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* |
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* @author $Author$ |
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* @version $Id$ |
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refman.activatePOA(); |
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// get the list of components |
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String componentList = System.getProperty("uk.ac.ukc.iscream.ComponentList"); |
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String componentList = System.getProperty("uk.org.iscream.ComponentList"); |
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StringTokenizer st = new StringTokenizer(componentList, ";"); |
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_componentsToStart = new LinkedList(); |
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// ### This is where the list of supported components is checked! ### |
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if (componentName.equalsIgnoreCase("core")) { |
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component = new uk.ac.ukc.iscream.core.Core(); |
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component = new uk.org.iscream.core.Core(); |
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} else if (componentName.equalsIgnoreCase("filtermanager")) { |
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component = new uk.ac.ukc.iscream.filtermanager.FilterManager(); |
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component = new uk.org.iscream.filtermanager.FilterManager(); |
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} else if (componentName.equalsIgnoreCase("rootfilter")) { |
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component = new uk.ac.ukc.iscream.rootfilter.RootFilter(); |
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component = new uk.org.iscream.rootfilter.RootFilter(); |
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} else if (componentName.equalsIgnoreCase("dbinterface")) { |
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component = new uk.ac.ukc.iscream.dbinterface.DBInterface(); |
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component = new uk.org.iscream.dbinterface.DBInterface(); |
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} else if (componentName.equalsIgnoreCase("clientinterface")) { |
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component = new uk.ac.ukc.iscream.clientinterface.ClientInterfaceMain(); |
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component = new uk.org.iscream.clientinterface.ClientInterfaceMain(); |
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// note the passing of the Filter's name in its constructor |
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} else if (componentName.equalsIgnoreCase("filter")) { |
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component = new uk.ac.ukc.iscream.filter.FilterMain(filterName); |
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component = new uk.org.iscream.filter.FilterMain(filterName); |
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} else if (componentName.equalsIgnoreCase("client")) { |
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component = new uk.ac.ukc.iscream.client.ClientMain(); |
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component = new uk.org.iscream.client.ClientMain(); |
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} |
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// ### Add new component constructors in the above section! ### |
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String confTimeout = null; |
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try { |
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confTimeout = System.getProperty("uk.ac.ukc.iscream.ComponentTimeout"); |
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confTimeout = System.getProperty("uk.org.iscream.ComponentTimeout"); |
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confTimeout.trim(); |
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_startTimeout = Integer.parseInt(confTimeout); |
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} catch (NumberFormatException e) { |
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_startTimeout = DEFAULT_COMPONENT_START_TIMEOUT; |
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System.err.println(toString + ": unable to read uk.ac.ukc.iscream.ComponentTimeout value (" + confTimeout + "), using default!"); |
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System.err.println(toString + ": unable to read uk.org.iscream.ComponentTimeout value (" + confTimeout + "), using default!"); |
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} |
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System.out.println(toString + ": using component start timeout of " + _startTimeout + " seconds"); |
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* This method calls the start() methods on all the components. |
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* If a component fails to start due to a CORBA communication |
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* problem, then it catches this and tries to start it again |
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* according to uk.ac.ukc.iscream.ComponentTimeout time. |
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* according to uk.org.iscream.ComponentTimeout time. |
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* |
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* If the server dies and CORBA connections are lost, this method |
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* is called again. |
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* properly. |
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*/ |
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public static void usage() { |
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System.out.println("USAGE: java uk.ac.ukc.iscream.componentmanager.ComponentManager <option>"); |
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System.out.println("USAGE: java uk.org.iscream.componentmanager.ComponentManager <option>"); |
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System.out.println(" or: java -jar iscream.jar <option>"); |
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System.out.println("WHERE <option>:"); |
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System.out.println(" -l <filename> - the location of initial system properties"); |
