org.apache.ignite.internal.processors.cluster

Class DiscoveryDataClusterState

java.lang.Object

org.apache.ignite.internal.processors.cluster.DiscoveryDataClusterState

All Implemented Interfaces:

Serializable

public class DiscoveryDataClusterState
extends Object
implements Serializable

Discovery data related to cluster state.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
boolean	active()
BaselineTopology	baselineTopology()
DiscoveryDataClusterState	finish(boolean success)
void	setTransitionResult(UUID reqId, boolean active) Discovery cluster state is changed asynchronously by discovery message, this methods changes local status for public API calls.
String	toString()
boolean	transition()
Exception	transitionError()
void	transitionError(Exception ex)
Set<UUID>	transitionNodes()
UUID	transitionRequestId()
Boolean	transitionResult()
AffinityTopologyVersion	transitionTopologyVersion()

Methods inherited from class java.lang.Object

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

Method Detail

transitionResult

@Nullable
public Boolean transitionResult()

Returns:

Local flag for state transition result (global state is updated asynchronously by custom message).

setTransitionResult

public void setTransitionResult(UUID reqId,
                                boolean active)

Discovery cluster state is changed asynchronously by discovery message, this methods changes local status for public API calls.

Parameters:

reqId - Request ID.

active - New cluster state.

transitionRequestId

public UUID transitionRequestId()

Returns:

State change request ID.

transition

public boolean transition()

Returns:

True if state change is in progress.

transitionTopologyVersion

public AffinityTopologyVersion transitionTopologyVersion()

Returns:

State change exchange version.

active

public boolean active()

Returns:

Current cluster state (or new state in case when transition is in progress).

baselineTopology

@Nullable
public BaselineTopology baselineTopology()

Returns:

Baseline topology.

transitionNodes

public Set<UUID> transitionNodes()

Returns:

Nodes participating in state change exchange.

transitionError

@Nullable
public Exception transitionError()

Returns:

Transition error.

transitionError

public void transitionError(Exception ex)

Parameters:

ex - Exception

finish

public DiscoveryDataClusterState finish(boolean success)

Parameters:

success - Transition success status.

Returns:

Cluster state that finished transition.

toString

public String toString()

Overrides:

toString in class Object