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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/rootfilter/RootFilter.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/rootfilter/RootFilter.java (file contents):
Revision 1.24 by tdb, Mon Feb 12 02:22:19 2001 UTC vs.
Revision 1.31 by tdb, Wed Mar 14 01:54:35 2001 UTC

#	Line 1 | Line 1
1	+
2		//---PACKAGE DECLARATION---
3		package uk.ac.ukc.iscream.rootfilter;
4
#	Line 37 | Line 38 | public class RootFilter implements Component {
38		* This starts the Root Filter for the system
39		*/
40		public void start() throws ComponentStartException {
41	<
41	>	// get references to key objects
42	>	_logger = _refman.getLogger();
43	>
44		_logger.write(toString(), Logger.SYSINIT, "coming up");
42	–
43	–	// configuration variables we require
44	–	String ourName = null;
45	–	String realInterface = null;
46	–	String dbInterface = null;
45
46	<	Configuration config = _refman.getCM().getConfiguration("RootFilter");
47	<	if (config == null) {
48	<	throw new ComponentStartException("Unable to obtain configuration for component");
46	>	ConfigurationProxy cp = ConfigurationProxy.getInstance();
47	>	String configName = "RootFilter";
48	>
49	>	// set the name of the root filter
50	>	try {
51	>	NAME = cp.getProperty(configName, "RootFilter.name");
52	>	} catch (PropertyNotFoundException e) {
53	>	NAME = null;
54	>	_logger.write(toString(), Logger.WARNING, "RootFilter name not set: "+e);
55		}
56	<	else {
57	<	try {
58	<	// get the configuration properties we need
59	<	ourName = config.getProperty("RootFilter.name");
60	<	realInterface = config.getProperty("RootFilter.realtimeInterfaceName");
61	<	dbInterface = config.getProperty("RootFilter.dbInterfaceName");
62	<	} catch (org.omg.CORBA.MARSHAL e) {
63	<	throw new ComponentStartException("Unable to obtain requried configuration property for component");
64	<	}
56	>
57	>	// try and get the names of the ciReal and ciDB
58	>	String realInterface, dbInterface;
59	>	try {
60	>	realInterface = cp.getProperty(configName, "RootFilter.realtimeInterfaceName");
61	>	dbInterface = cp.getProperty(configName, "RootFilter.dbInterfaceName");
62	>	} catch (PropertyNotFoundException e) {
63	>	_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e);
64	>	realInterface = null;
65	>	dbInterface = null;
66		}
67
63	–	// now we have the name of the Root Filter we set it
64	–	NAME = ourName;
65	–
66	–	_logger.write(toString(), Logger.SYSINIT, "configured");
67	–
68		ClientInterface ciReal = null, ciDB = null;
69		// get reference to the client interfaces - the real time one
70		if (realInterface != null) {
#	Line 74 | Line 74 | public class RootFilter implements Component {
74		if (dbInterface != null) {
75		ciDB = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface." + dbInterface));
76		}
77	<
77	>
78	>	// setup a queue
79		Queue queue = new Queue();
79	–	// startup a monitor on this queue, every minute
80	–	queue.startMonitor(60*1000, NAME);
80
81	+	// startup a monitor on this queue
82	+	try {
83	+	// try to get the interval, if this fails, we won't start up the monitor
84	+	int queueMonitorInterval = Integer.parseInt(cp.getProperty(configName, "Queue.MonitorInterval"));
85	+	String queueName = NAME + " RootFilter";
86	+	queue.startMonitor(queueMonitorInterval*1000, queueName);
87	+	} catch (PropertyNotFoundException e) {
88	+	_logger.write(toString(), Logger.WARNING, "failed to find queue monitor config, disabling. " + e);
89	+	}
90	+
91		if (realInterface == null) {
92		_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + dbInterface);
93		CIWrapper c = new CIWrapper(ciDB, queue);
#	Line 106 | Line 115 | public class RootFilter implements Component {
115		}
116
117		/**
118	+	* Does a dependency check. Used mainly at startup to
119	+	* see if the required dependencies (components) are up
120	+	* and running.
121	+	*
122	+	* @return a boolean value, true if the depdencies are satisfied
123	+	*/
124	+	public boolean depCheck() {
125	+	try {
126	+	org.omg.CORBA.Object obj;
127	+	// first check the ConfigurationManager is alive
128	+	obj = _refman.getCORBARef("iscream.ConfigurationManager");
129	+	// then get some info on the CLI and DBI
130	+	ConfigurationProxy cp = ConfigurationProxy.getInstance();
131	+	String cli = cp.getProperty("RootFilter", "RootFilter.realtimeInterfaceName");
132	+	String dbi = cp.getProperty("RootFilter", "RootFilter.dbInterfaceName");
133	+	// finally check the CLI and DBI are alive
134	+	obj = _refman.getCORBARef("iscream.ClientInterface." + cli);
135	+	obj = _refman.getCORBARef("iscream.ClientInterface." + dbi);
136	+	} catch(ComponentCORBAException e) {
137	+	System.err.println(toString() + ": Dependency Failure: "+e);
138	+	return false;
139	+	} catch(PropertyNotFoundException e) {
140	+	System.err.println(toString() + ": Unable to obtain configuration: "+e);
141	+	return false;
142	+	}
143	+	// dependency check suceeded
144	+	return true;
145	+	}
146	+
147	+	/**
148		* Overrides the {@link java.lang.Object#toString() Object.toString()}
149		* method to provide clean logging (every class should have this).
150		*
#	Line 131 | Line 170 | public class RootFilter implements Component {
170		* This holds a reference to the
171		* system logger that is being used.
172		*/
173	<	private Logger _logger = ReferenceManager.getInstance().getLogger();
173	>	private Logger _logger;
174
175		/**
176		* A reference to the reference manager in use

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