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 backtype.storm.tuple;
  
  import java.util.Iterator;
  import java.util.List;
  
  import com.alibaba.jstorm.utils.Pair;
  import com.google.common.collect.Lists;
  import org.apache.commons.lang.builder.ToStringBuilder;
  import org.apache.commons.lang.builder.ToStringStyle;
  
  import backtype.storm.task.GeneralTopologyContext;
  
  public class TupleImplExt extends TupleImpl implements TupleExt {
  
      protected int targetTaskId;
      protected long creationTimeStamp;
      protected boolean isBatchTuple = false;
      protected long batchId;
  
      public TupleImplExt() {
      }
  
      public TupleImplExt(GeneralTopologyContext context, List<Object> values, int taskId, String streamId) {
          this(context, values, taskId, streamId, MessageId.makeUnanchored());
      }
  
      public TupleImplExt(GeneralTopologyContext context, List<Object> values, int taskId, String streamId, MessageId id) {
          super(context, values, taskId, streamId, id);
          creationTimeStamp = System.currentTimeMillis();
      }
  
      public TupleImplExt(GeneralTopologyContext context, List<Object> values, MessageId id, TupleImplExt tuple) {
          super(context, values, tuple.getSourceTask(), tuple.getSourceStreamId(), id);
          this.targetTaskId = tuple.getTargetTaskId();
          this.creationTimeStamp = tuple.getCreationTimeStamp();
          this.batchId = tuple.getBatchId();
      }
  
      @Override
      public int getTargetTaskId() {
          return targetTaskId;
      }
  
      @Override
      public void setTargetTaskId(int targetTaskId) {
          this.targetTaskId = targetTaskId;
      }
  
      @Override
      public long getCreationTimeStamp() {
          return creationTimeStamp;
      }
  
      @Override
      public void setCreationTimeStamp(long timeStamp) {
          this.creationTimeStamp = timeStamp;
      }
  
      @Override
      public boolean isBatchTuple() {
          return isBatchTuple;
      }
  
      @Override
      public void setBatchTuple(boolean isBatchTuple) {
          this.isBatchTuple = isBatchTuple;
      }
  
      public long getBatchId() {
          return batchId;
      }
  
      public void setBatchId(long batchId) {
          this.batchId = batchId;
      }
  
      public Iterator<List<Object>> valueIterator() {
          if (isBatchTuple) {
              return new TupleValueIterator(getValues().iterator());
          } else {
              return Lists.<List<Object>>newArrayList(getValues()).iterator();
          }
      }
  
      @Override
      public String toString() {
          return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
      }
  
      private class TupleValueIterator implements Iterator<List<Object>> {
          private Iterator<Object> rawIterator;
  
          public TupleValueIterator(Iterator<Object> rawIterator) {
              this.rawIterator = rawIterator;
          }
  
          @Override
          public boolean hasNext() {
              return rawIterator.hasNext();
          }
  
          @Override
          public List<Object> next() {
              Pair<MessageId, List<Object>> value = (Pair<MessageId, List<Object>>) rawIterator.next();
              return value.getSecond();
          }
  
          @Override
          public void remove() {
              rawIterator.remove();
          }
      }
  }
  