content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * 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
   *
   * https://opensource.org/licenses/Apache-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.tencent.angel.ml.matrix.codec;
  
  import io.netty.buffer.ByteBuf;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  public class DefaultDenseDoubleCodec implements DenseDoubleCodec {
    protected final static Log LOG = LogFactory.getLog(DefaultDenseDoubleCodec.class);
  
    @Override public void encode(ByteBuf outBuf, double[] values, int startPos, int length) {
      outBuf.writeInt(length);
      LOG.debug("double size = " + length);
      int end = startPos + length;
      for (int i = startPos; i < end; i++) {
        outBuf.writeDouble(values[i]);
      }
    }
  
    @Override public void decode(ByteBuf inBuf, double[] data, int startPos, int len) {
      int length = inBuf.readInt();
      for (int i = 0; i < length; i++) {
        data[i + startPos] = inBuf.readDouble();
      }
    }
  
    @Override public void serialize(ByteBuf buf) {
  
    }
  
    @Override public void deserialize(ByteBuf buf) {
  
    }
  
    @Override public int bufferLen() {
      return 0;
    }
  
  }
  