org.apache.druid.collections

Interface BlockingPool<T>

All Known Implementing Classes:

DefaultBlockingPool, DummyBlockingPool

public interface BlockingPool<T>

Method Summary

Modifier and Type	Method and Description
int	maxSize()
List<ReferenceCountingResourceHolder<T>>	takeBatch(int elementNum) Take resources from the pool, waiting if necessary until the elements of the given number become available.
List<ReferenceCountingResourceHolder<T>>	takeBatch(int elementNum, long timeoutMs) Take resources from the pool, waiting up to the specified wait time if necessary for elements of the given number to become available.

Method Detail

maxSize

int maxSize()

takeBatch

List<ReferenceCountingResourceHolder<T>> takeBatch(int elementNum,
                                                   long timeoutMs)

Take resources from the pool, waiting up to the specified wait time if necessary for elements of the given number to become available.

Parameters:

elementNum - number of resources to take

timeoutMs - maximum time to wait for resources, in milliseconds.

Returns:

a list of resource holders. An empty list is returned if elementNum resources aren't available.

takeBatch

List<ReferenceCountingResourceHolder<T>> takeBatch(int elementNum)

Take resources from the pool, waiting if necessary until the elements of the given number become available.

Parameters:

elementNum - number of resources to take

Returns:

a list of resource holders. An empty list is returned if elementNum resources aren't available.