Package eu.stratosphere.compiler.operators

Examples of eu.stratosphere.compiler.operators.OperatorDescriptorSingle

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      if (groupOrder != null && groupOrder.getNumberOfFields() == 0) {
        groupOrder = null;
      }
    }
   
    OperatorDescriptorSingle props = useCombiner ?
      (this.keys == null ? new AllGroupWithPartialPreGroupProperties() : new GroupReduceWithCombineProperties(this.keys, groupOrder)) :
      (this.keys == null ? new AllGroupReduceProperties() : new GroupReduceProperties(this.keys, groupOrder));

      return Collections.singletonList(props);
  }
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    return "Reduce";
  }
 
  @Override
  protected List<OperatorDescriptorSingle> getPossibleProperties() {
    OperatorDescriptorSingle props = this.keys == null ?
      new AllReduceProperties() :
      new ReduceProperties(this.keys);
   
      return Collections.singletonList(props);
  }
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Related Classes of eu.stratosphere.compiler.operators.OperatorDescriptorSingle

  • eu.stratosphere.compiler.dag.GroupReduceNode
  • eu.stratosphere.compiler.dag.ReduceNode
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