communication
Class Message

java.lang.Object
  communication.Message

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

TypedMessage

public class Message
extends java.lang.Object
implements java.io.Serializable

Messages are sent and received by processes. A message contains two fields: the identifier of the sender (or receiver) and the data to send (or being received). Data is simply any kind of Java object (that must nevertheless be serializable).

See Also:

Serialized Form

Field Summary

protected java.lang.Object	data Data embedded in the message
protected ProcessIdentifier	processId The identifier of the process that either sent the message or either is the receiver of the message

Constructor Summary

Message(ProcessIdentifier processId, java.lang.Object data)

Method Summary

java.lang.Object	getData()
ProcessIdentifier	getProcessId()
void	setData(java.lang.Object data)
void	setProcessId(ProcessIdentifier processId)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

processId

protected ProcessIdentifier processId

The identifier of the process that either sent the message or either is the receiver of the message

data

protected java.lang.Object data

Data embedded in the message

Constructor Detail

Message

public Message(ProcessIdentifier processId,
               java.lang.Object data)

Parameters:

processId - the process identifier for the message

data - the data of the message

Method Detail

getProcessId

public ProcessIdentifier getProcessId()

Returns:

the process identifier embedded in the message

setProcessId

public void setProcessId(ProcessIdentifier processId)

Parameters:

processId - the process identifier to set

getData

public java.lang.Object getData()

Returns:

the data of the message

setData

public void setData(java.lang.Object data)

Parameters:

data - the data to set

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object