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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 1.3 by tdb, Mon Feb 5 02:58:54 2001 UTC vs.
Revision 1.9 by ajm, Fri Mar 2 00:15:59 2001 UTC

#	Line 1 | Line 1
1	+	//---PACKAGE DECLARATION---
2		package uk.ac.ukc.iscream.client;
3
4	<	import uk.ac.ukc.iscream.client.*;
4	>	//---IMPORTS---
5		import uk.ac.ukc.iscream.clientinterface.*;
6		import uk.ac.ukc.iscream.componentmanager.*;
7	<	import org.omg.CosNaming.*;
8	<	import org.omg.CORBA.*;
8	<	import org.omg.PortableServer.*;
7	>	import uk.ac.ukc.iscream.core.*;
8	>	import uk.ac.ukc.iscream.util.*;
9
10	<	public class ClientMain {
11	<	public static void main(String args[]) {
12	<	System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB");
13	<	System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton");
14	<	try {
15	<	ReferenceManager _refman = ReferenceManager.getInstance();
16	<	_refman.activatePOA();
10	>	/**
11	>	* A startup component for the Local Clients.
12	>	*
13	>	* @author  $Author$
14	>	* @version $Id$
15	>	*/
16	>	public class ClientMain implements Component {
17
18	<	ClientServant corbaServant = new ClientServant();
19	<	org.omg.CORBA.Object o = _refman.getRootPOA().servant_to_reference(corbaServant);
20	<	Client client = ClientHelper.narrow(o);
18	>	//---FINAL ATTRIBUTES---
19
20	<	o = _refman.getCORBARef("iscream.ClientInterface.CorbaListener");
21	<	CorbaClientListener lRef = CorbaClientListenerHelper.narrow(o);
20	>	/**
21	>	* The current CVS revision of this class
22	>	*/
23	>	public static final String REVISION = "$Revision$";
24	>
25	>	/**
26	>	* The friendly name for this component, used by
27	>	* all related classes.
28	>	*/
29	>	public static final String NAME = "LocalClient";
30	>
31	>	//---STATIC METHODS---
32
33	<	boolean result;
26	<	System.out.println(" -- connecting -- ");
27	<	CorbaControlHandler handler = lRef.connect(client);
28	<	System.out.println(" -- starting data -- ");
29	<	result = handler.startData();
30	<	System.out.println(" -- sleep for 30s -- ");
31	<	Thread.sleep(30000);
32	<	System.out.println(" -- stopping data -- ");
33	<	result = handler.stopData();
34	<	Thread.sleep(2000);
35	<	System.out.println(" -- completed -- ");
33	>	//---CONSTRUCTORS---
34
35	+	//---PUBLIC METHODS---
36	+
37	+	/**
38	+	* This starts the Local Client component
39	+	*/
40	+	public void start() throws ComponentStartException {
41	+	// get references to key objects
42	+	_refman = ReferenceManager.getInstance();
43	+	_logger = ReferenceManager.getInstance().getLogger();
44	+
45	+	_logger.write(toString(), Logger.SYSINIT, "coming up");
46	+
47	+	// configuration variables we require
48	+	int queueMonitorInterval = 0;
49	+
50	+	Configuration config = _refman.getCM().getConfiguration("LocalClient");
51	+	if (config == null) {
52	+	throw new ComponentStartException("Unable to obtain configuration for component");
53		}
54	<	catch (Exception e) {
55	<	System.out.println("ERROR : " + e);
56	<	e.printStackTrace(System.out);
54	>	else {
55	>	try {
56	>	// get the configuration properties we need
57	>	queueMonitorInterval = Integer.parseInt(config.getProperty("Queue.MonitorInterval"));
58	>	} catch (org.omg.CORBA.MARSHAL e) {
59	>	throw new ComponentStartException("Unable to obtain requried configuration property for component");
60	>	}
61		}
62	+
63	+	_logger.write(toString(), Logger.SYSINIT, "configured");
64	+
65	+	// setup the queues, this must be done before both managers are setup
66	+	String queueName;
67	+	// setup a Queue for the servant -> monitor manager
68	+	_monitorQueue = new Queue();
69	+	// startup a monitor on this queue
70	+	queueName = NAME + " MonitorManager";
71	+	_monitorQueue.startMonitor(queueMonitorInterval*1000, queueName);
72	+
73	+	// setup a Queue for the monitors -> alert manager
74	+	_alerterQueue = new Queue();
75	+	// startup a monitor on this queue
76	+	queueName = NAME + " MonitorManager";
77	+	_alerterQueue.startMonitor(queueMonitorInterval*1000, queueName);
78	+
79	+
80	+
81	+	// setup the servant and connect
82	+	_logger.write(toString(), Logger.SYSINIT, "starting servant and connecting");
83	+	try {
84	+	ClientServant ref = new ClientServant(_monitorQueue);
85	+	org.omg.CORBA.Object objRef = _refman.getRootPOA().servant_to_reference(ref);
86	+	Client client = ClientHelper.narrow(objRef);
87	+
88	+	// this name maybe shouldn't be static
89	+	objRef = _refman.getCORBARef("iscream.ClientInterface.CorbaListener");
90	+	CorbaClientListener listener = CorbaClientListenerHelper.narrow(objRef);
91	+
92	+	_logger.write(toString(), Logger.SYSINIT, "connecting");
93	+	CorbaControlHandler handler = listener.connect(client, NAME);
94	+	handler.startData();
95	+	}
96	+	catch(Exception e) {
97	+	// not sure what to do here
98	+	// so we just log the error
99	+	_logger.write(toString(), Logger.ERROR, "ERROR - " + e.getMessage());
100	+	}
101	+
102	+	// setup the MonitorManager
103	+	MonitorManager monMan = MonitorManager.getInstance();
104	+	monMan.start();
105	+
106	+	// setup the AlerterManager
107	+
108	+
109	+	AlerterManager alertMan = AlerterManager.getInstance();
110	+	alertMan.start();
111	+
112	+	_logger.write(toString(), Logger.SYSINIT, "started");
113	+
114		}
115	+
116	+	/**
117	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
118	+	* method to provide clean logging (every class should have this).
119	+	*
120	+	* This uses the uk.ac.ukc.iscream.util.FormatName class
121	+	* to format the toString()
122	+	*
123	+	* @return the name of this class and its CVS revision
124	+	*/
125	+	public String toString() {
126	+	return FormatName.getName(
127	+	NAME,
128	+	getClass().getName(),
129	+	REVISION);
130	+	}
131	+
132	+	//---PRIVATE METHODS---
133	+
134	+	//---ACCESSOR/MUTATOR METHODS---
135	+
136	+	//---ATTRIBUTES---
137	+
138	+	/**
139	+	* This holds a reference to the
140	+	* system logger that is being used.
141	+	*/
142	+	private Logger _logger;
143	+
144	+	/**
145	+	* A reference to the reference manager in use
146	+	*/
147	+	private ReferenceManager _refman;
148	+
149	+	//---STATIC ATTRIBUTES---
150	+
151	+	/**
152	+	* A queue for the alerter manager
153	+	*/
154	+	public static Queue _alerterQueue;
155	+
156	+	/**
157	+	* A queue for the monitor manager
158	+	*/
159	+	public static Queue _monitorQueue;
160
161		}

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