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org.vrspace.server
Class Request  

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

All Implemented Interfaces:

java.lang.Cloneable

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public class Request

extends org.vrspace.util.Message

implements java.lang.Cloneable

This class represents a single request from the client. It extends Message to adding request logging capabilites, and also adds Client

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Field Summary
protected  Client	client
java.lang.Exception	exception
VRObject	object
protected  boolean	sendObject
protected  Session	session

 

Fields inherited from class org.vrspace.util.Message

arguments, className, eventName, eventValue, isResponse, objectId, path, request, response, time

 

Constructor Summary

Request(Client c, java.lang.String request)           Creates new Request as specified by request

Request(Client c, VRObject obj)           This constructor is intended to send object over net

Request(Request r, java.lang.String request)           This constructor uses client and session info from passed request.

 

Method Summary
java.lang.Object	clone()           This method may be called to create a new copy of the Object.
Client	getClient()           Returns the originating client
VRObject	getObject()           Returns wrapped object.
boolean	isEvent()           Returns true if this request represents an event (VRObject state change) rather than an object.
boolean	sendObject()           Returns true if this Request contains a VRObject intended for transfer over network.
(package private)  void	setClass(java.lang.String cls)
(package private)  void	setId(long id)
java.lang.String	toLogEntry()           Returns request string suitable for logging
java.lang.String	toString()           If this request contains VRObject, returns its toText(), otherwise returns Message.toString()

 

Methods inherited from class org.vrspace.util.Message

getArguments, getClassName, getEventName, getEventValue, getId, getPath, getRequest, getResponse, getTime, isResponse, parseLine

 

Methods inherited from class java.lang.Object

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

 

Field Detail

client

protected Client client

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session

protected Session session

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sendObject

protected boolean sendObject

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exception

public java.lang.Exception exception

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object

public VRObject object

Constructor Detail

Request

public Request(Client c,
               java.lang.String request)

Creates new Request as specified by request

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Request

public Request(Request r,
               java.lang.String request)

This constructor uses client and session info from passed request. Intended for usage in commands that need to provide feedback over a specific session.

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Request

public Request(Client c,
               VRObject obj)

This constructor is intended to send object over net

Method Detail

getClient

public Client getClient()

Returns the originating client

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toLogEntry

public java.lang.String toLogEntry()

Returns request string suitable for logging

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toString

public java.lang.String toString()

If this request contains VRObject, returns its toText(), otherwise returns Message.toString()

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sendObject

public boolean sendObject()

Returns true if this Request contains a VRObject intended for transfer over network. Set by Client.addObject().

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isEvent

public boolean isEvent()

Returns true if this request represents an event (VRObject state change) rather than an object. For now, = !sendObject()

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getObject

public VRObject getObject()

Returns wrapped object. May return null before Dispatcher processes request, thus unsafe to use in Client extensions

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setId

void setId(long id)

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setClass

void setClass(java.lang.String cls)

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clone

public java.lang.Object clone()

Description copied from class: java.lang.Object

This method may be called to create a new copy of the Object. The typical behavior is as follows:

• o == o.clone() is false
• o.getClass() == o.clone().getClass() is true
• o.equals(o) is true

However, these are not strict requirements, and may be violated if necessary. Of the three requirements, the last is the most commonly violated, particularly if the subclass does not override Object.equals(Object)>Object.equals(Object) 55 .

If the Object you call clone() on does not implement java.lang.Cloneable (which is a placeholder interface), then a CloneNotSupportedException is thrown. Notice that Object does not implement Cloneable; this method exists as a convenience for subclasses that do.

Object's implementation of clone allocates space for the new Object using the correct class, without calling any constructors, and then fills in all of the new field values with the old field values. Thus, it is a shallow copy. However, subclasses are permitted to make a deep copy.

All array types implement Cloneable, and override this method as follows (it should never fail):

 public Object clone()
 {
   try
     {
       super.clone();
     }
   catch (CloneNotSupportedException e)
     {
       throw new InternalError(e.getMessage());
     }
 }
 

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