netcom.log
Class Logger

java.lang.Object
  java.lang.Thread
      netcom.log.Logger

All Implemented Interfaces:

java.lang.Runnable

public class Logger

extends java.lang.Thread

Title: Logger This is a Thread which is initiated by both MDS and proxy nodes. It is responsible for establishing connections with the GUI over a socket and communicating with the GUI via LogMessage Objects Copyright: Copyright (c) 2002 Company NETCOM

Field Summary

static int	CHAT_ADD_REQUEST
static int	CHAT_REMOVE_REQUEST
static int	CLIENT_CONNECTED
static int	CLIENT_DISCONNECTED
static int	CONNECTION_REJECTED
static int	ERROR
static int	FILE_ADD_REQUEST
static int	FILE_REMOVE_REQUEST
static int	GENERAL_ENTRY
static int	NODE_EXITED
static int	NODE_STARTED
static int	SEARCH_REQUEST
static int	SERVER_CONNECTED
static int	SERVER_DISCONNECTED
static int	SINGLE_RETURN_SENT

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Logger(LoggerInterface the_interface)
This is the constructor for a Logger thread.

Method Summary

void	addLogEntry(int the_code, java.lang.String the_comment) This method is invoked externally by the parent node to request a LogEntry be made
void	run() the run method first connects to a serverSocket and begins to accept connections from GUI clients.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

GENERAL_ENTRY

public static final int GENERAL_ENTRY

See Also:

Constant Field Values

ERROR

public static final int ERROR

See Also:

Constant Field Values

NODE_STARTED

public static final int NODE_STARTED

See Also:

Constant Field Values

NODE_EXITED

public static final int NODE_EXITED

See Also:

Constant Field Values

SEARCH_REQUEST

public static final int SEARCH_REQUEST

See Also:

Constant Field Values

FILE_ADD_REQUEST

public static final int FILE_ADD_REQUEST

See Also:

Constant Field Values

CHAT_ADD_REQUEST

public static final int CHAT_ADD_REQUEST

See Also:

Constant Field Values

FILE_REMOVE_REQUEST

public static final int FILE_REMOVE_REQUEST

See Also:

Constant Field Values

CHAT_REMOVE_REQUEST

public static final int CHAT_REMOVE_REQUEST

See Also:

Constant Field Values

SINGLE_RETURN_SENT

public static final int SINGLE_RETURN_SENT

See Also:

Constant Field Values

SERVER_CONNECTED

public static final int SERVER_CONNECTED

See Also:

Constant Field Values

SERVER_DISCONNECTED

public static final int SERVER_DISCONNECTED

See Also:

Constant Field Values

CLIENT_CONNECTED

public static final int CLIENT_CONNECTED

See Also:

Constant Field Values

CLIENT_DISCONNECTED

public static final int CLIENT_DISCONNECTED

See Also:

Constant Field Values

CONNECTION_REJECTED

public static final int CONNECTION_REJECTED

See Also:

Constant Field Values

Constructor Detail

Logger

public Logger(LoggerInterface the_interface)

This is the constructor for a Logger thread. it instantiates the FileWriterThread and FileReaderThread

Parameters:

the_interface - is an interface that implements LoggerInterface that you need to access info about the parent mds/proxy node

Method Detail

run

public void run()

the run method first connects to a serverSocket and begins to accept connections from GUI clients. The GUIs send LogMessages which are processed according to the type of request, and then a LogMessage is created that will be sent back once the parent mds thread terminates it will activate the die flag in this thread which will end the while loop, kill its children treads, and close io streams.

addLogEntry

public void addLogEntry(int the_code,
                        java.lang.String the_comment)

This method is invoked externally by the parent node to request a LogEntry be made

Parameters:

the_code - this specifies the "type" of LogENtry thath should be made

the_comment - this variable gives any additional information that should be written out to the log file