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package net.pincette.rs;

import static net.pincette.util.Collections.list;

import java.time.Duration;
import java.util.concurrent.Flow.Processor;

/**
 * Buffers a number of values. It always requests the number of values from the publisher that
 * equals the buffer size. This processor uses a shared thread.
 *
 * @param  the value type.
 * @since 1.7
 * @author Werner Donn\u00e8
 */
public class Buffer extends Buffered {
  public Buffer(final int size) {
    super(size);
  }

  public Buffer(final int size, final Duration timeout) {
    super(size, timeout);
  }

  public static  Processor buffer(final int size) {
    return new Buffer<>(size);
  }

  public static  Processor buffer(final int size, final Duration timeout) {
    return new Buffer<>(size, timeout);
  }

  protected boolean onNextAction(final T value) {
    addValues(list(value));
    emit();

    return true;
  }
}