content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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
   *
   *     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.apache.bookkeeper.common.allocator.impl;
  
  import io.netty.buffer.ByteBufAllocator;
  import java.util.function.Consumer;
  import org.apache.bookkeeper.common.allocator.ByteBufAllocatorBuilder;
  import org.apache.bookkeeper.common.allocator.ByteBufAllocatorWithOomHandler;
  import org.apache.bookkeeper.common.allocator.LeakDetectionPolicy;
  import org.apache.bookkeeper.common.allocator.OutOfMemoryPolicy;
  import org.apache.bookkeeper.common.allocator.PoolingPolicy;
  
  /**
   * Implementation of {@link ByteBufAllocatorBuilder}.
   */
  public class ByteBufAllocatorBuilderImpl implements ByteBufAllocatorBuilder {
  
      ByteBufAllocator pooledAllocator = null;
      ByteBufAllocator unpooledAllocator = null;
      PoolingPolicy poolingPolicy = PoolingPolicy.PooledDirect;
      int poolingConcurrency = 2 * Runtime.getRuntime().availableProcessors();
      OutOfMemoryPolicy outOfMemoryPolicy = OutOfMemoryPolicy.FallbackToHeap;
      Consumer<OutOfMemoryError> outOfMemoryListener = null;
      LeakDetectionPolicy leakDetectionPolicy = LeakDetectionPolicy.Disabled;
      boolean exitOnOutOfMemory = false;
  
      @Override
      public ByteBufAllocatorWithOomHandler build() {
          return new ByteBufAllocatorImpl(pooledAllocator, unpooledAllocator, poolingPolicy, poolingConcurrency,
                  outOfMemoryPolicy, outOfMemoryListener, leakDetectionPolicy, exitOnOutOfMemory);
      }
  
      @Override
      public ByteBufAllocatorBuilder pooledAllocator(ByteBufAllocator pooledAllocator) {
          this.pooledAllocator = pooledAllocator;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder unpooledAllocator(ByteBufAllocator unpooledAllocator) {
          this.unpooledAllocator = unpooledAllocator;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder poolingPolicy(PoolingPolicy policy) {
          this.poolingPolicy = policy;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder poolingConcurrency(int poolingConcurrency) {
          this.poolingConcurrency = poolingConcurrency;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder outOfMemoryPolicy(OutOfMemoryPolicy policy) {
          this.outOfMemoryPolicy = policy;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder outOfMemoryListener(Consumer<OutOfMemoryError> listener) {
          this.outOfMemoryListener = listener;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder leakDetectionPolicy(LeakDetectionPolicy leakDetectionPolicy) {
          this.leakDetectionPolicy = leakDetectionPolicy;
          return this;
      }
  
      @Override
      public ByteBufAllocatorBuilder exitOnOutOfMemory(boolean exitOnOutOfMemory) {
          this.exitOnOutOfMemory = exitOnOutOfMemory;
          return this;
      }
  
  }
  