com.db4o.foundation

Interface BlockingQueue4<T>

All Superinterfaces:

Queue4<T>

All Known Subinterfaces:

PausableBlockingQueue4<T>, TimeoutBlockingQueue4<T>

All Known Implementing Classes:

BlockingQueue, DelegatingBlockingQueue, PausableBlockingQueue, TimeoutBlockingQueue

public interface BlockingQueue4<T>
extends Queue4<T>

Method Summary

Methods

Modifier and Type	Method and Description
int	drainTo(Collection4<T> list) Removes all the available elements in the queue to the colletion passed as argument.
T	next(long timeout) Returns the next queued item or waits for it to be available for the maximum of timeout miliseconds.
void	stop()

Methods inherited from interface com.db4o.foundation.Queue4

add, hasNext, iterator, next, nextMatching

Method Detail

next

T next(long timeout)
       throws BlockingQueueStoppedException

Returns the next queued item or waits for it to be available for the maximum of timeout miliseconds.

Parameters:

timeout - maximum time to wait for the next avilable item in miliseconds

Returns:

the next item or null if timeout is reached

Throws:

BlockingQueueStoppedException - if the stop() is called.

stop

void stop()

drainTo

int drainTo(Collection4<T> list)
            throws BlockingQueueStoppedException

Removes all the available elements in the queue to the colletion passed as argument.

It will block until at least one element is available.

Parameters:

list -

Returns:

the number of elements added to the list.

Throws:

BlockingQueueStoppedException - if the stop() is called.