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/* 
 * Copyright 2015 Terracotta, Inc., a Software AG company.
 *
 * 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.terracotta.offheapstore.buffersource;

import java.nio.ByteBuffer;

/**
 * A source of NIO buffers of some type.
 * 
 * @author Chris Dennis
 */
public interface BufferSource {

  /**
   * Allocates a buffer of the given size.
   * 

* If a suitable buffer cannot be allocated then {@code null} should be * returned. Implementations may place restrictions on the valid size value * they will accept. * * @param size required buffer size * @return a buffer of the required size */ ByteBuffer allocateBuffer(int size); }





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