org.gridgain.grid.cache.query
Interface GridCacheQueryFuture<T>

All Superinterfaces:

Callable<Collection<T>>, GridFuture<Collection<T>>, GridIterable<T>, GridIterator<T>, GridSerializableIterator<T>, Iterable<T>, Iterator<T>, Serializable

All Known Subinterfaces:

GridCacheFieldsQueryFuture

public interface GridCacheQueryFuture<T>
extends GridFuture<Collection<T>>, GridIterable<T>

Cache query future returned by query execution. Specifically returned by GridCacheQuery.execute(GridProjection...) or by analogous methods on GridCacheReduceQuery and GridCacheTransformQuery. Refer to corresponding query documentation for more information.

See Also:

GridCacheQuery, GridCacheReduceQuery, GridCacheTransformQuery

Method Summary

boolean	available() Tests whether or not next Iterator.next() call will block.
boolean	cancel() Cancels this query future and stop receiving any further results for the query associated with this future.
boolean	isDone() Checks if all data is fetched by the query.
int	size() Number of elements currently fetched.

Methods inherited from interface org.gridgain.grid.GridFuture

concurrentNotify, concurrentNotify, duration, get, get, get, isCancelled, listenAsync, predicate, startTime, stopListenAsync, syncNotify, syncNotify

Methods inherited from interface java.util.concurrent.Callable

call

Methods inherited from interface org.gridgain.grid.lang.GridIterable

iterator

Methods inherited from interface org.gridgain.grid.lang.GridIterator

hasNextX, nextX, removeX

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Method Detail

size

int size()

Number of elements currently fetched.

Returns:

Number of elements currently fetched.

available

boolean available()

Tests whether or not next Iterator.next() call will block.

Returns:

Whether or not next Iterator.next() call will block.

isDone

boolean isDone()

Checks if all data is fetched by the query.

Specified by:

isDone in interface GridFuture<Collection<T>>

Returns:

True if all data is fetched, false otherwise.

cancel

boolean cancel()
               throws GridException

Cancels this query future and stop receiving any further results for the query associated with this future.

Specified by:

cancel in interface GridFuture<Collection<T>>

Throws:

GridException - If cancellation failed.

Returns:

True if future was canceled (i.e. was not finished prior to this call).