com.db4o.foundation

Interface Queue4<E>

All Known Subinterfaces:

BlockingQueue4<T>, PausableBlockingQueue4<T>, TimeoutBlockingQueue4<T>

All Known Implementing Classes:

BlockingQueue, DelegatingBlockingQueue, NoDuplicatesQueue, NonblockingQueue, PausableBlockingQueue, TimeoutBlockingQueue

public interface Queue4<E>

Method Summary

Methods

Modifier and Type	Method and Description
void	add(E obj)
boolean	hasNext()
Iterator4	iterator()
E	next()
E	nextMatching(Predicate4<E> condition) Returns the next object in the queue that matches the specified condition.

Method Detail

add

void add(E obj)

next

E next()

hasNext

boolean hasNext()

nextMatching

E nextMatching(Predicate4<E> condition)

Returns the next object in the queue that matches the specified condition. The operation is always NON-BLOCKING.

Parameters:

condition - the object must satisfy to be returned

Returns:

the object satisfying the condition or null if none does

iterator

Iterator4 iterator()