Package com.groiss.cluster.communication

Class Message

java.lang.Object

com.groiss.cluster.communication.Message

All Implemented Interfaces:

Serializable

public class Message
extends Object
implements Serializable

This class represents a message sent by the cluster communication mechanism.

It can transport an arbitrary serializable object. The type of the message can be set. It is an arbitrary string. Types starting with "_ep_" are reserved for internal use.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_TYPE

Constructor Summary

Constructors

Constructor	Description
Message()	Default constructor
Message(Serializable content)	Constructs a message and initializes the content.

Method Summary

Modifier and Type	Method	Description
Serializable	getContent()	Return the content of this message.
String	getFrom()	Returns the node id of the sender of the message.
String	getMsgType()	Return the type of this message.
void	setContent(Serializable content)	Set the content of this message.
void	setMsgType(String msgType)	Set the type representation of this message.
String	toString()	Return a String representation of this message.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_TYPE

public static final String DEFAULT_TYPE

See Also:

• Constant Field Values

Constructor Details

Message

public Message()

Default constructor

Message

public Message(Serializable content)

Constructs a message and initializes the content.

Parameters:

content -

Method Details

getContent

public Serializable getContent()

Return the content of this message.

Returns:

the content of this message

setContent

public void setContent(Serializable content)

Set the content of this message.

Parameters:

content - the new content

toString

public String toString()

Return a String representation of this message.

Overrides:

toString in class Object

Returns:

the representation of the content

getFrom

public String getFrom()

Returns the node id of the sender of the message.

Returns:

the sender id

getMsgType

public String getMsgType()

Return the type of this message.

Returns:

the type of the message

setMsgType

public void setMsgType(String msgType)

Set the type representation of this message.