groupmgmt.impl
Class SPChange

java.lang.Object
  groupmgmt.impl.SPChange

All Implemented Interfaces:

java.io.Serializable

class SPChange

extends java.lang.Object

implements java.io.Serializable

An SPChange stores information about a change in the group environment of the SinglePhaseDisseminator.

Version:

June 2003

Author:

Tom Elgin

See Also:

SinglePhaseDisseminator, SPConnectionChangesMessage, SPChangeRefusedMessage

Field Summary

private boolean	connected Whether or not the members are now connected.
private Member	m1 The members whose connectivity has changed.
private Member	m2 The members whose connectivity has changed.

Constructor Summary

SPChange(Member m1, Member m2, boolean connected)
Constructor.

Method Summary

boolean	getConnected() Accessor to the state of the connection.
Member	getM1() Accessor to the first Member.
Member	getM2() Accessor to the second Member.
java.lang.String	toString() Get a String representation of this class.

Methods inherited from class java.lang.Object

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

Field Detail

m1

private Member m1

The members whose connectivity has changed.

m2

private Member m2

The members whose connectivity has changed.

connected

private boolean connected

Whether or not the members are now connected.

Constructor Detail

SPChange

public SPChange(Member m1,
                Member m2,
                boolean connected)

Constructor. Creates an SPChange with the specified info.

Parameters:

m1 - A Member.

m2 - The Member to which m1 has been (dis)connected.

connected - True if the connection is now alive.

Method Detail

getM1

public Member getM1()

Accessor to the first Member.

Returns:

The first Member.

getM2

public Member getM2()

Accessor to the second Member.

Returns:

The second Member.

getConnected

public boolean getConnected()

Accessor to the state of the connection.

Returns:

True if m1 is now connected to m2, false otherwise.

toString

public java.lang.String toString()

Get a String representation of this class.

Returns:

The first member, the connection state, the second member.