Package org.apache.catalina.tribes.group.interceptors

Class NonBlockingCoordinator.CoordinationMessage

java.lang.Object

org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.CoordinationMessage

Enclosing class:

NonBlockingCoordinator

public static class NonBlockingCoordinator.CoordinationMessage
extends java.lang.Object

Represents a coordination message used in the election protocol.

Field Summary

Fields

Modifier and Type	Field	Description
protected XByteBuffer	buf	The byte buffer for the message.
protected UniqueId	id	The message ID.
protected Member	leader	The leader member.
protected Member	source	The source member.
protected byte[]	type	The message type.
protected Member[]	view	The member view.

Constructor Summary

Constructors

Constructor	Description
CoordinationMessage(XByteBuffer buf)	Constructs a CoordinationMessage from a buffer.
CoordinationMessage(Member leader, Member source, Member[] view, UniqueId id, byte[] type)	Constructs a CoordinationMessage with the given parameters.

Method Summary

Modifier and Type	Method	Description
XByteBuffer	getBuffer()	Returns the message buffer.
byte[]	getHeader()	Returns the coordination message header.
UniqueId	getId()	Returns the message ID.
Member	getLeader()	Returns the leader member.
Member[]	getMembers()	Returns the member view.
Member	getSource()	Returns the source member.
byte[]	getType()	Returns the message type.
void	parse()	Parses the message from the buffer.
void	write()	Writes the message to the buffer.

Methods inherited from class java.lang.Object

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

Field Detail

buf

protected final XByteBuffer buf

The byte buffer for the message.

leader

protected Member leader

The leader member.

source

protected Member source

The source member.

view

protected Member[] view

The member view.

id

protected UniqueId id

The message ID.

type

protected byte[] type

The message type.

Constructor Detail

CoordinationMessage

public CoordinationMessage(XByteBuffer buf)

Constructs a CoordinationMessage from a buffer.

Parameters:

buf - The byte buffer containing the message

CoordinationMessage

public CoordinationMessage(Member leader,
                           Member source,
                           Member[] view,
                           UniqueId id,
                           byte[] type)

Constructs a CoordinationMessage with the given parameters.

Parameters:

leader - The leader member

source - The source member

view - The member view

id - The message ID

type - The message type

Method Detail

getHeader

public byte[] getHeader()

Returns the coordination message header.

Returns:

The header bytes

getLeader

public Member getLeader()

Returns the leader member.

Returns:

The leader member

getSource

public Member getSource()

Returns the source member.

Returns:

The source member

getId

public UniqueId getId()

Returns the message ID.

Returns:

The message ID

getMembers

public Member[] getMembers()

Returns the member view.

Returns:

The array of members

getType

public byte[] getType()

Returns the message type.

Returns:

The type bytes

getBuffer

public XByteBuffer getBuffer()

Returns the message buffer.

Returns:

The byte buffer

parse

public void parse()

Parses the message from the buffer.

write

public void write()

Writes the message to the buffer.