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org.vrspace.util
Class Message  

java.lang.Object
  org.vrspace.util.Message

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public class Message

extends java.lang.Object

Generic Message class. A message can be request, response or command. Constructor expects request string in format "class id event value" or "command arguments"
Request: request for a network object to change it's state. Object is specified by class and id, event specifies it's field/method (metod has set_ prefix, used if there is no public field with event name) and value is passed to method or used to set field value
Response: response to a previous request/command. Prefixed with + (ok) or - (error).
Command: request to the server rather to an object

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Field Summary
protected  java.lang.String[]	arguments
protected  java.lang.String	className
protected  java.lang.String	eventName
protected  java.lang.String	eventValue
java.lang.Exception	exception
protected  boolean	isResponse
protected  long	objectId
protected  java.util.Vector	path
protected  java.lang.String	request
protected  boolean	response
protected  long	time

 

Constructor Summary
protected	Message()           Intended only for subclasses
	Message(java.lang.String line)           Creates new message defined by line

 

Method Summary
java.lang.String[]	getArguments()           Returns the command arguments
java.lang.String	getClassName()           Returns the target object class name, or command if message is command
java.lang.String	getEventName()           Returns target object field name
java.lang.String	getEventValue()           Returns the event value
long	getId()           Returns target object id or -1 if message is command
java.lang.String[]	getPath()           Returns the message path (list of servers it passed), null for local message
java.lang.String	getRequest()           Returns the request string used to create this message
boolean	getResponse()           returns true for ok or false for error
long	getTime()           Returns the message creation time, in milliseconds
boolean	isResponse()           Is this message a response
void	parseLine(java.lang.String line)           parses line and fills in message fields
java.lang.String	toString()           Returns the string representation of request, in the format expected by constructor

 

Methods inherited from class java.lang.Object

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

 

Field Detail

time

protected long time

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className

protected java.lang.String className

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objectId

protected long objectId

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eventName

protected java.lang.String eventName

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eventValue

protected java.lang.String eventValue

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response

protected boolean response

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isResponse

protected boolean isResponse

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exception

public java.lang.Exception exception

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arguments

protected java.lang.String[] arguments

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path

protected java.util.Vector path

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request

protected java.lang.String request

Constructor Detail

Message

protected Message()

Intended only for subclasses

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Message

public Message(java.lang.String line)

Creates new message defined by line

Method Detail

parseLine

public void parseLine(java.lang.String line)

parses line and fills in message fields

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isResponse

public boolean isResponse()

Is this message a response

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getResponse

public boolean getResponse()

returns true for ok or false for error

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getClassName

public java.lang.String getClassName()

Returns the target object class name, or command if message is command

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getArguments

public java.lang.String[] getArguments()

Returns the command arguments

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getId

public long getId()

Returns target object id or -1 if message is command

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getEventName

public java.lang.String getEventName()

Returns target object field name

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getEventValue

public java.lang.String getEventValue()

Returns the event value

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getTime

public long getTime()

Returns the message creation time, in milliseconds

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getRequest

public java.lang.String getRequest()

Returns the request string used to create this message

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getPath

public java.lang.String[] getPath()

Returns the message path (list of servers it passed), null for local message

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toString

public java.lang.String toString()

Returns the string representation of request, in the format expected by constructor

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> vrspace >> [ util overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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