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   /*
    * Copyright 2013 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.udt;
  
  import com.barchart.udt.nio.ChannelUDT;
  import io.netty.buffer.ByteBufAllocator;
  import io.netty.channel.ChannelOption;
  import io.netty.channel.MessageSizeEstimator;
  import io.netty.channel.RecvByteBufAllocator;
  import io.netty.channel.WriteBufferWaterMark;
  
  import java.io.IOException;
  import java.util.Map;
  
  import static io.netty.channel.ChannelOption.SO_BACKLOG;
  
  /**
   * The default {@link UdtServerChannelConfig} implementation.
   *
   * @deprecated The UDT transport is no longer maintained and will be removed.
   */
  @Deprecated
  public class DefaultUdtServerChannelConfig extends DefaultUdtChannelConfig
          implements UdtServerChannelConfig {
  
      private volatile int backlog = 64;
  
      public DefaultUdtServerChannelConfig(
              final UdtChannel channel, final ChannelUDT channelUDT, final boolean apply) throws IOException {
          super(channel, channelUDT, apply);
          if (apply) {
              apply(channelUDT);
          }
      }
  
      @Override
      protected void apply(final ChannelUDT channelUDT) throws IOException {
          // nothing to apply for now.
      }
  
      @Override
      public int getBacklog() {
          return backlog;
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public <T> T getOption(final ChannelOption<T> option) {
          if (option == SO_BACKLOG) {
              return (T) Integer.valueOf(getBacklog());
          }
          return super.getOption(option);
      }
  
      @Override
      public Map<ChannelOption<?>, Object> getOptions() {
          return getOptions(super.getOptions(), SO_BACKLOG);
      }
  
      @Override
      public UdtServerChannelConfig setBacklog(final int backlog) {
          this.backlog = backlog;
          return this;
      }
  
      @Override
      public <T> boolean setOption(final ChannelOption<T> option, final T value) {
          validate(option, value);
          if (option == SO_BACKLOG) {
              setBacklog((Integer) value);
          } else {
              return super.setOption(option, value);
          }
          return true;
      }
  
      @Override
      public UdtServerChannelConfig setProtocolReceiveBufferSize(
              final int protocolReceiveBufferSize) {
          super.setProtocolReceiveBufferSize(protocolReceiveBufferSize);
          return this;
      }
  
      @Override
      public UdtServerChannelConfig setProtocolSendBufferSize(
              final int protocolSendBufferSize) {
         super.setProtocolSendBufferSize(protocolSendBufferSize);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setReceiveBufferSize(
             final int receiveBufferSize) {
         super.setReceiveBufferSize(receiveBufferSize);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setReuseAddress(final boolean reuseAddress) {
         super.setReuseAddress(reuseAddress);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setSendBufferSize(final int sendBufferSize) {
         super.setSendBufferSize(sendBufferSize);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setSoLinger(final int soLinger) {
         super.setSoLinger(soLinger);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setSystemReceiveBufferSize(
             final int systemReceiveBufferSize) {
         super.setSystemReceiveBufferSize(systemReceiveBufferSize);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setSystemSendBufferSize(
             final int systemSendBufferSize) {
         super.setSystemSendBufferSize(systemSendBufferSize);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
         super.setConnectTimeoutMillis(connectTimeoutMillis);
         return this;
     }
 
     @Override
     @Deprecated
     public UdtServerChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
         super.setMaxMessagesPerRead(maxMessagesPerRead);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setWriteSpinCount(int writeSpinCount) {
         super.setWriteSpinCount(writeSpinCount);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setAllocator(ByteBufAllocator allocator) {
         super.setAllocator(allocator);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
         super.setRecvByteBufAllocator(allocator);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setAutoRead(boolean autoRead) {
         super.setAutoRead(autoRead);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setAutoClose(boolean autoClose) {
         super.setAutoClose(autoClose);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
         super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
         super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
         super.setWriteBufferWaterMark(writeBufferWaterMark);
         return this;
     }
 
     @Override
     public UdtServerChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
         super.setMessageSizeEstimator(estimator);
         return this;
     }
 }