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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/client/ClientMain.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/client/ClientMain.java (file contents):
Revision 1.5 by tdb, Wed Feb 21 22:48:20 2001 UTC vs.
Revision 1.16 by tdb, Thu Mar 15 22:12:22 2001 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	<	package uk.ac.ukc.iscream.client;
2	>	package uk.org.iscream.client;
3
4		//---IMPORTS---
5	<	import uk.ac.ukc.iscream.clientinterface.*;
6	<	import uk.ac.ukc.iscream.componentmanager.*;
7	<	import uk.ac.ukc.iscream.core.*;
8	<	import uk.ac.ukc.iscream.util.*;
5	>	import uk.org.iscream.clientinterface.*;
6	>	import uk.org.iscream.componentmanager.*;
7	>	import uk.org.iscream.core.*;
8	>	import uk.org.iscream.util.*;
9
10		/**
11		* A startup component for the Local Clients.
#	Line 38 | Line 38 | public class ClientMain implements Component {
38		* This starts the Local Client component
39		*/
40		public void start() throws ComponentStartException {
41	+	// get references to key objects
42	+	_logger = _refman.getLogger();
43
44		_logger.write(toString(), Logger.SYSINIT, "coming up");
43	–
44	–	// configuration variables we require
45	–	int queueMonitorInterval = 0;
45
46	<	Configuration config = _refman.getCM().getConfiguration("LocalClient");
47	<	if (config == null) {
48	<	throw new ComponentStartException("Unable to obtain configuration for component");
49	<	}
50	<	else {
52	<	try {
53	<	// get the configuration properties we need
54	<	queueMonitorInterval = Integer.parseInt(config.getProperty("Queue.MonitorInterval"));
55	<	} catch (org.omg.CORBA.MARSHAL e) {
56	<	throw new ComponentStartException("Unable to obtain requried configuration property for component");
57	<	}
58	<	}
59	<
60	<	_logger.write(toString(), Logger.SYSINIT, "configured");
46	>	// setup the queues, this must be done before both managers are setup
47	>	// setup a Queue for the servant -> monitor manager
48	>	_monitorQueue = new Queue();
49	>	// setup a Queue for the monitors -> alert manager
50	>	_alerterQueue = new Queue();
51
52	<	// setup the servant
53	<	_logger.write(toString(), Logger.SYSINIT, "starting servant");
64	<
65	<	Client client;
66	<
52	>	// setup the servant and connect
53	>	_logger.write(toString(), Logger.SYSINIT, "starting servant and connecting");
54		try {
55	<	ClientServant ref = new ClientServant();
55	>	ClientServant ref = new ClientServant(_monitorQueue);
56		org.omg.CORBA.Object objRef = _refman.getRootPOA().servant_to_reference(ref);
57	<	client = ClientHelper.narrow(objRef);
57	>	Client client = ClientHelper.narrow(objRef);
58
59		// this name maybe shouldn't be static
60		objRef = _refman.getCORBARef("iscream.ClientInterface.CorbaListener");
61		CorbaClientListener listener = CorbaClientListenerHelper.narrow(objRef);
62
63		_logger.write(toString(), Logger.SYSINIT, "connecting");
64	<	CorbaControlHandler handler = listener.connect(client);
64	>	CorbaControlHandler handler = listener.connect(client, NAME);
65		handler.startData();
66		}
67		catch(Exception e) {
#	Line 83 | Line 70 | public class ClientMain implements Component {
70		_logger.write(toString(), Logger.ERROR, "ERROR - " + e.getMessage());
71		}
72
73	+	// setup the MonitorManager
74	+	MonitorManager monMan = MonitorManager.getInstance();
75	+	monMan.start();
76	+
77	+	// setup the AlerterManager
78	+	AlerterManager alertMan = AlerterManager.getInstance();
79	+	alertMan.start();
80	+
81		_logger.write(toString(), Logger.SYSINIT, "started");
82
83		}
84	<
84	>
85		/**
86	+	* Does a dependency check. Used mainly at startup to
87	+	* see if the required dependencies (components) are up
88	+	* and running.
89	+	*
90	+	* @return a boolean value, true if the depdencies are satisfied
91	+	*/
92	+	public boolean depCheck() {
93	+	try {
94	+	org.omg.CORBA.Object obj;
95	+	// first check the ConfigurationManager is alive
96	+	obj = _refman.getCORBARef("iscream.ConfigurationManager");
97	+	// then get some info on the CLI
98	+	ConfigurationProxy cp = ConfigurationProxy.getInstance();
99	+	String cli = cp.getProperty("RootFilter", "RootFilter.realtimeInterfaceName");
100	+	// finally check the CLI is alive
101	+	obj = _refman.getCORBARef("iscream.ClientInterface." + cli);
102	+	} catch(ComponentCORBAException e) {
103	+	System.err.println(toString() + ": Dependency Failure: "+e);
104	+	return false;
105	+	} catch(PropertyNotFoundException e) {
106	+	System.err.println(toString() + ": Unable to obtain configuration: "+e);
107	+	return false;
108	+	}
109	+	// dependency check suceeded
110	+	return true;
111	+	}
112	+
113	+	/**
114		* Overrides the {@link java.lang.Object#toString() Object.toString()}
115		* method to provide clean logging (every class should have this).
116		*
117	<	* This uses the uk.ac.ukc.iscream.util.FormatName class
117	>	* This uses the uk.org.iscream.util.FormatName class
118		* to format the toString()
119		*
120		* @return the name of this class and its CVS revision
#	Line 113 | Line 136 | public class ClientMain implements Component {
136		* This holds a reference to the
137		* system logger that is being used.
138		*/
139	<	private Logger _logger = ReferenceManager.getInstance().getLogger();
139	>	private Logger _logger;
140
141		/**
142		* A reference to the reference manager in use
#	Line 121 | Line 144 | public class ClientMain implements Component {
144		private ReferenceManager _refman = ReferenceManager.getInstance();
145
146		//---STATIC ATTRIBUTES---
147	+
148	+	/**
149	+	* A queue for the alerter manager
150	+	*/
151	+	public static Queue _alerterQueue;
152	+
153	+	/**
154	+	* A queue for the monitor manager
155	+	*/
156	+	public static Queue _monitorQueue;
157
158		}

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