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.graph.client.node2vec.updatefuncs.pushpathtail;
  
  import com.tencent.angel.PartitionKey;
  import com.tencent.angel.graph.client.node2vec.utils.PathQueue;
  import com.tencent.angel.ml.matrix.psf.update.base.PartitionUpdateParam;
  import com.tencent.angel.ml.matrix.psf.update.base.UpdateFunc;
  import com.tencent.angel.ml.matrix.psf.update.base.UpdateParam;
  import com.tencent.angel.ps.storage.vector.ServerLongAnyRow;
  import it.unimi.dsi.fastutil.longs.Long2LongOpenHashMap;
  
  
  public class PushPathTail extends UpdateFunc {
  
    /**
     * Create a new UpdateParam
     */
    public PushPathTail(UpdateParam param) {
      super(param);
    }
  
    public PushPathTail() {
      super(null);
    }
  
    @Override
    public void partitionUpdate(PartitionUpdateParam partParam) {
      PushPathTailPartitionParam pparam = (PushPathTailPartitionParam) partParam;
      PartitionKey partKey = pparam.getPartKey();
      ServerLongAnyRow row = (ServerLongAnyRow) psContext.getMatrixStorageManager()
          .getRow(pparam.getPartKey(), 0);
      Long2LongOpenHashMap pathTail = pparam.getPathTail();
  
      PathQueue.pushBatch(partKey.getPartitionId(), row, pathTail);
  //    int completeCount = 0;
  //    ArrayList<WalkPath> paths = new ArrayList<>(pathTail.size());
  //
  //    row.startWrite();
  //    try {
  //      ObjectIterator<Map.Entry<Long, Long>> iter = pathTail.entrySet().iterator();
  //      while (iter.hasNext()) {
  //        Map.Entry<Long, Long> entry = iter.next();
  //        long key = entry.getKey();
  //        long tail = entry.getValue();
  //
  //        WalkPath wPath = (WalkPath) row.get(key);
  //        wPath.add2Path(tail);
  //
  //        if (wPath.isComplete()) {
  //          completeCount += 1;
  //        } else {
  //          paths.add(wPath);
  //        }
  //      }
  //    } finally {
  //      row.endWrite();
  //    }
  //
  //    if (completeCount != 0) {
  //      PathQueue.progress(partKey.getPartitionId(), completeCount);
  //    }
  //
  //    if (!paths.isEmpty()) {
  //      PathQueue.pushBatch(partKey.getPartitionId(), paths);
  //    }
    }
  }
  