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   /*
    * Copyright 2018 The Netty Project
    *
    * The Netty Project licenses this file to you 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:
    *
    *   https://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 io.netty.channel.unix;
  
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.ByteBufAllocator;
  import io.netty.buffer.CompositeByteBuf;
  import io.netty.util.internal.UnstableApi;
  
  @UnstableApi
  public final class PreferredDirectByteBufAllocator implements ByteBufAllocator {
      private ByteBufAllocator allocator;
  
      public void updateAllocator(ByteBufAllocator allocator) {
          this.allocator = allocator;
      }
  
      @Override
      public ByteBuf buffer() {
          return allocator.directBuffer();
      }
  
      @Override
      public ByteBuf buffer(int initialCapacity) {
          return allocator.directBuffer(initialCapacity);
      }
  
      @Override
      public ByteBuf buffer(int initialCapacity, int maxCapacity) {
          return allocator.directBuffer(initialCapacity, maxCapacity);
      }
  
      @Override
      public ByteBuf ioBuffer() {
          return allocator.directBuffer();
      }
  
      @Override
      public ByteBuf ioBuffer(int initialCapacity) {
          return allocator.directBuffer(initialCapacity);
      }
  
      @Override
      public ByteBuf ioBuffer(int initialCapacity, int maxCapacity) {
          return allocator.directBuffer(initialCapacity, maxCapacity);
      }
  
      @Override
      public ByteBuf heapBuffer() {
          return allocator.heapBuffer();
      }
  
      @Override
      public ByteBuf heapBuffer(int initialCapacity) {
          return allocator.heapBuffer(initialCapacity);
      }
  
      @Override
      public ByteBuf heapBuffer(int initialCapacity, int maxCapacity) {
          return allocator.heapBuffer(initialCapacity, maxCapacity);
      }
  
      @Override
      public ByteBuf directBuffer() {
          return allocator.directBuffer();
      }
  
      @Override
      public ByteBuf directBuffer(int initialCapacity) {
          return allocator.directBuffer(initialCapacity);
      }
  
      @Override
      public ByteBuf directBuffer(int initialCapacity, int maxCapacity) {
          return allocator.directBuffer(initialCapacity, maxCapacity);
      }
  
      @Override
      public CompositeByteBuf compositeBuffer() {
          return allocator.compositeDirectBuffer();
      }
  
      @Override
      public CompositeByteBuf compositeBuffer(int maxNumComponents) {
          return allocator.compositeDirectBuffer(maxNumComponents);
      }
 
     @Override
     public CompositeByteBuf compositeHeapBuffer() {
         return allocator.compositeHeapBuffer();
     }
 
     @Override
     public CompositeByteBuf compositeHeapBuffer(int maxNumComponents) {
         return allocator.compositeHeapBuffer(maxNumComponents);
     }
 
     @Override
     public CompositeByteBuf compositeDirectBuffer() {
         return allocator.compositeDirectBuffer();
     }
 
     @Override
     public CompositeByteBuf compositeDirectBuffer(int maxNumComponents) {
         return allocator.compositeDirectBuffer(maxNumComponents);
     }
 
     @Override
     public boolean isDirectBufferPooled() {
         return allocator.isDirectBufferPooled();
     }
 
     @Override
     public int calculateNewCapacity(int minNewCapacity, int maxCapacity) {
         return allocator.calculateNewCapacity(minNewCapacity, maxCapacity);
     }
 }