/*
* Copyright (c) OSGi Alliance (2015). All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.osgi.util.pushstream;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executor;
/**
* A Builder for a PushStream. This Builder extends the support of a standard
* BufferBuilder by allowing the PushStream to be unbuffered.
*
*
* @param <T> The type of objects in the {@link PushEvent}
* @param <U> The type of the Queue used in the user specified buffer
*/
public interface PushStreamBuilder<T, U extends BlockingQueue<PushEvent< ? extends T>>>
extends BufferBuilder<PushStream<T>,T,U> {
/**
* Tells this {@link PushStreamBuilder} to create an unbuffered stream which
* delivers events directly to its consumer using the incoming delivery
* thread.
*
* @return the builder
*/
PushStreamBuilder<T,U> unbuffered();
/*
* Overridden methods to allow the covariant return of a PushStreamBuilder
*/
@Override
PushStreamBuilder<T,U> withBuffer(U queue);
@Override
PushStreamBuilder<T,U> withQueuePolicy(QueuePolicy<T,U> queuePolicy);
@Override
PushStreamBuilder<T,U> withQueuePolicy(QueuePolicyOption queuePolicyOption);
@Override
PushStreamBuilder<T,U> withPushbackPolicy(
PushbackPolicy<T,U> pushbackPolicy);
@Override
PushStreamBuilder<T,U> withPushbackPolicy(
PushbackPolicyOption pushbackPolicyOption, long time);
@Override
PushStreamBuilder<T,U> withParallelism(int parallelism);
@Override
PushStreamBuilder<T,U> withExecutor(Executor executor);
}