/***********************************************************************************************************************
 * Copyright (C) 2010-2014 by the Stratosphere project (http://stratosphere.eu)
 *
 * 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 eu.stratosphere.runtime.io.network.bufferprovider;

import eu.stratosphere.core.memory.MemorySegment;
import eu.stratosphere.runtime.io.Buffer;
import eu.stratosphere.runtime.io.BufferRecycler;

public final class DiscardBufferPool implements BufferProvider, BufferRecycler {
	
	@Override
	public Buffer requestBuffer(int minBufferSize) {
		return null;
	}

	@Override
	public Buffer requestBufferBlocking(int minBufferSize) {
		return null;
	}

	@Override
	public int getBufferSize() {
		return 0;
	}

	@Override
	public void reportAsynchronousEvent() {
		throw new UnsupportedOperationException();
	}

	@Override
	public BufferAvailabilityRegistration registerBufferAvailabilityListener(BufferAvailabilityListener listener) {
		return BufferAvailabilityRegistration.FAILED_BUFFER_POOL_DESTROYED;
	}

	@Override
	public void recycle(MemorySegment buffer) {
		throw new UnsupportedOperationException();
	}
}