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package org.osgi.util.pushstream;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executor;
abstract class AbstractBufferBuilder<R, T, U extends BlockingQueue<PushEvent< ? extends T>>>
implements BufferBuilder<R,T,U> {
protected Executor worker;
protected int concurrency;
protected PushbackPolicy<T,U> backPressure;
protected QueuePolicy<T,U> bufferingPolicy;
protected U buffer;
@Override
public BufferBuilder<R,T,U> withBuffer(U queue) {
this.buffer = queue;
return this;
}
@Override
public BufferBuilder<R,T,U> withQueuePolicy(
QueuePolicy<T,U> queuePolicy) {
this.bufferingPolicy = queuePolicy;
return this;
}
@Override
public BufferBuilder<R,T,U> withQueuePolicy(
QueuePolicyOption queuePolicyOption) {
this.bufferingPolicy = queuePolicyOption.getPolicy();
return this;
}
@Override
public BufferBuilder<R,T,U> withPushbackPolicy(
PushbackPolicy<T,U> pushbackPolicy) {
this.backPressure = pushbackPolicy;
return this;
}
@Override
public BufferBuilder<R,T,U> withPushbackPolicy(
PushbackPolicyOption pushbackPolicyOption, long time) {
this.backPressure = pushbackPolicyOption.getPolicy(time);
return this;
}
@Override
public BufferBuilder<R,T,U> withParallelism(int parallelism) {
this.concurrency = parallelism;
return this;
}
@Override
public BufferBuilder<R,T,U> withExecutor(Executor executor) {
this.worker = executor;
return this;
}
}
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