messageServerP
Class Command

java.lang.Object
  messageServerP.Command

public class Command
extends java.lang.Object

A command given by the administrator through the Human interface.

Author:

Marco Cornolti

Field Summary

private java.lang.String	str
private int	type

Constructor Summary

private	Command(int type) The constructor for a command with no arguments.
private	Command(int type, java.lang.String str) The constructor for a command with one string as argument.

Method Summary

java.lang.String	getFilename()
boolean	isBackup()
boolean	isChangeInterfaceToGUI()
boolean	isChangeInterfaceToText()
boolean	isPrintLoadStatistics()
boolean	isPrintUsersStatistics()
boolean	isShutdown()
static Command	makeBackup(java.lang.String filename) "backup" command constructor.
static Command	makeChangeInterfaceToGUI() "change interface to gui" command constructor.
static Command	makeChangeInterfaceToText() "change interface to textual" command constructor.
static Command	makePrintLoadStatistics() "print load statistics" command constructor.
static Command	makePrintUsersStatistics() "print user statistics" command constructor.
static Command	makeShutdown() "shutdown" command constructor.

Methods inherited from class java.lang.Object

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

Field Detail

type

private int type

str

private java.lang.String str

Constructor Detail

Command

private Command(int type)

The constructor for a command with no arguments.

Parameters:

type - the command type.

Command

private Command(int type,
                java.lang.String str)

The constructor for a command with one string as argument.

Parameters:

type - the command type.

str - the string argument

Method Detail

isPrintUsersStatistics

public boolean isPrintUsersStatistics()

Returns:

true if the command type is "print user statistics"

isPrintLoadStatistics

public boolean isPrintLoadStatistics()

Returns:

true if the command type is "print load statistics"

isShutdown

public boolean isShutdown()

Returns:

true if the command type is "shutdown"

isChangeInterfaceToGUI

public boolean isChangeInterfaceToGUI()

Returns:

true if the command type is "change interface to gui"

isChangeInterfaceToText

public boolean isChangeInterfaceToText()

Returns:

true if the command type is "change interface to textual"

isBackup

public boolean isBackup()

Returns:

true if the command type is "backup"

makePrintUsersStatistics

public static Command makePrintUsersStatistics()

"print user statistics" command constructor.

Returns:

a command of type "print user statistics"

makePrintLoadStatistics

public static Command makePrintLoadStatistics()

"print load statistics" command constructor.

Returns:

a command of type "print load statistics"

makeShutdown

public static Command makeShutdown()

"shutdown" command constructor.

Returns:

a command of type "shutdown"

makeChangeInterfaceToGUI

public static Command makeChangeInterfaceToGUI()

"change interface to gui" command constructor.

Returns:

a command of type "change interface to gui"

makeChangeInterfaceToText

public static Command makeChangeInterfaceToText()

"change interface to textual" command constructor.

Returns:

a command of type "change interface to textual"

makeBackup

public static Command makeBackup(java.lang.String filename)

"backup" command constructor.

Parameters:

filename - the file name to backup to.

Returns:

a command of type "backup"

getFilename

public java.lang.String getFilename()

Returns:

the command file name (for commands of type "backup")