org.apache.activemq.artemis.core.server.cluster.qourum

Class QuorumVote<V extends Vote,T>

java.lang.Object

org.apache.activemq.artemis.core.server.cluster.qourum.QuorumVote<V,T>

Direct Known Subclasses:

QuorumVoteServerConnect

public abstract class QuorumVote<V extends Vote,T>
extends Object

the vote itself. the vote can be decided by the enquirer or sent out to each node in the quorum.

Constructor Summary

Constructors

Constructor and Description
QuorumVote(SimpleString name)

Method Summary

Modifier and Type	Method and Description
abstract void	allVotesCast(Topology voteTopology) called by the QuorumManager when all the votes have been cast and received.
abstract Vote	connected() called by the QuorumManager when one of the nodes in the quorum is successfully connected to.
abstract T	getDecision() get the decion of the vote
SimpleString	getName() the name of this quorum vote, used for identifying the correct QuorumVoteHandler
abstract Vote	notConnected() called by the QuorumManager fails to connect to a node in the quorum.
abstract void	vote(V vote) called by the QuorumManager when a vote can be made, either from the cluster or decided by itself.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuorumVote

public QuorumVote(SimpleString name)

Method Detail

connected

public abstract Vote connected()

called by the QuorumManager when one of the nodes in the quorum is successfully connected to. The QuorumVote can then decide whether or not a decision can be made with just that information.

Returns:

the vote to use

notConnected

public abstract Vote notConnected()

called by the QuorumManager fails to connect to a node in the quorum. The QuorumVote can then decide whether or not a decision can be made with just that information however the node cannot cannot be asked.

Returns:

the vote to use

vote

public abstract void vote(V vote)

called by the QuorumManager when a vote can be made, either from the cluster or decided by itself.

Parameters:

vote - the vote to make.

getDecision

public abstract T getDecision()

get the decion of the vote

Returns:

the voting decision

allVotesCast

public abstract void allVotesCast(Topology voteTopology)

called by the QuorumManager when all the votes have been cast and received.

Parameters:

voteTopology - the topology of where the votes were sent.

getName

public SimpleString getName()

the name of this quorum vote, used for identifying the correct QuorumVoteHandler

Returns:

the name of the wuorum vote