org.apache.geode.cache.control

Interface RebalanceOperation

public interface RebalanceOperation

Operation for rebalancing resources used by the Cache.

Since:

GemFire 6.0

Method Summary

Modifier and Type	Method and Description
boolean	cancel() Cancels this rebalance operation.
RebalanceResults	getResults() Wait for this operation to complete and return the results.
RebalanceResults	getResults(long timeout, TimeUnit unit) Wait for this operation to complete and return the results.
boolean	isCancelled() Returns true if this operation was cancelled before it completed.
boolean	isDone() Returns true if this operation completed.

Method Detail

isCancelled

boolean isCancelled()

Returns true if this operation was cancelled before it completed.

Returns:

whether this operation was cancelled before it completed

isDone

boolean isDone()

Returns true if this operation completed.

Returns:

whether this operation completed

cancel

boolean cancel()

Cancels this rebalance operation. The rebalance operation will find a safe point and then stop.

Returns:

false if this operation could not be cancelled, typically because it has already completed; true otherwise

getResults

RebalanceResults getResults()
                     throws CancellationException,
                            InterruptedException

Wait for this operation to complete and return the results.

Returns:

the rebalance results

Throws:

CancellationException - if the operation was cancelled

InterruptedException - if the wait was interrupted

getResults

RebalanceResults getResults(long timeout,
                            TimeUnit unit)
                     throws CancellationException,
                            TimeoutException,
                            InterruptedException

Wait for this operation to complete and return the results.

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

Returns:

the rebalance results

Throws:

CancellationException - if the operation was cancelled

TimeoutException - if the wait timed out

InterruptedException - if the wait was interrupted