content: /*******************************************************************************
   * Copyright 2014 Trevor Robinson
   *
   * 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 com.scurrilous.circe.impl;
  
  import java.nio.ByteBuffer;
  
  /**
   * Service used to provide the native memory address of direct byte buffers.
   */
  public interface DirectByteBufferAccess {
  
      /**
       * Returns the native memory address of the given direct byte buffer, or 0
       * if the buffer is not direct or if obtaining the address is not supported.
       *
       * @param buffer the direct byte buffer for which to obtain the address
       * @return the native memory address or 0
       */
      long getAddress(ByteBuffer buffer);
  }
  