org.openspaces.core
Interface PollingFuture<T>

All Known Subinterfaces:

FutureGridServiceAgent, FutureGridServiceAgents, FutureGridServiceContainer, FutureStatefulProcessingUnitInstance, FutureStatelessProcessingUnitInstance, FutureStoppedMachine

public interface PollingFuture<T>

Method Summary

T	get()
ExecutionException	getException()
Date	getTimestamp()
boolean	isDone()
boolean	isTimedOut()

Method Detail

get

T get()
      throws ExecutionException,
             IllegalStateException,
             TimeoutException

Returns:

the result, or one of the following exceptions

Throws:

ExecutionException - - execution failed and an exception was raised during work

IllegalStateException - - execution not done yet. Call this method only when @{link isDone() returns true.

TimeoutException - - execution timed out and result is not available.

isDone

boolean isDone()

Returns:

true if execution completed successfully, with an exception or timed-out. If it is still in progress returns null.

isTimedOut

boolean isTimedOut()

Returns:

true if execution timed out.

getException

ExecutionException getException()

Returns:

the execption raised during execution wraped as an ExecutionException or null if in progress or no exception was raised.

getTimestamp

Date getTimestamp()