com.tencent.angel.sona.psf.hyperanf.GetHyperLogLogPartParam Maven / Gradle / Ivy

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/*
 * 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.sona.psf.hyperanf;
import com.tencent.angel.PartitionKey;
import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetParam;
import io.netty.buffer.ByteBuf;

public class GetHyperLogLogPartParam extends PartitionGetParam {
  private long[] nodes;
  private int startIndex;
  private int endIndex;
  private long n;
  public GetHyperLogLogPartParam(int matrixId, PartitionKey partKey,
                                 long[] nodes, long n, int startIndex, int endIndex) {
    super(matrixId, partKey);
    this.nodes = nodes;
    this.startIndex = startIndex;
    this.endIndex = endIndex;
    this.n = n;
  }

  public GetHyperLogLogPartParam() {
    super();
  }

  public long[] getNodes() {
    return nodes;
  }

  public long getN() {
    return n;
  }

  @Override
  public void serialize(ByteBuf buf) {
    super.serialize(buf);
    buf.writeInt(endIndex - startIndex);
    for (int i = startIndex; i < endIndex; i++)
      buf.writeLong(nodes[i]);
    buf.writeLong(n);
  }

  @Override
  public void deserialize(ByteBuf buf) {
    super.deserialize(buf);
    int len = buf.readInt();
    nodes = new long[len];
    for (int i = 0; i < len; i++)
      nodes[i] = buf.readLong();
    n = buf.readLong();
  }

  @Override
  public int bufferLen() {
    int len = super.bufferLen();
    len += 4;
    len += 8 * (endIndex - startIndex);
    len += 8;
    return len;
  }
}