Package eu.stratosphere.api.java.aggregation

Examples of eu.stratosphere.api.java.aggregation.AggregationFunctionFactory

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    if (field < 0 || field >= inType.getArity()) {
      throw new IllegalArgumentException("Aggregation field position is out of range.");
    }
   
    AggregationFunctionFactory factory = function.getFactory();
    AggregationFunction<?> aggFunct = factory.createAggregationFunction(inType.getTypeAt(field).getTypeClass());
   
    // this is the first aggregation operator after a regular data set (non grouped aggregation)
    this.aggregationFunctions.add(aggFunct);
    this.fields.add(field);
    this.grouping = null;
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    if (field < 0 || field >= inType.getArity()) {
      throw new IllegalArgumentException("Aggregation field position is out of range.");
    }
   
    AggregationFunctionFactory factory = function.getFactory();
    AggregationFunction<?> aggFunct = factory.createAggregationFunction(inType.getTypeAt(field).getTypeClass());
   
    // set the aggregation fields
    this.aggregationFunctions.add(aggFunct);
    this.fields.add(field);
    this.grouping = input;
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    if (field < 0 || field >= inType.getArity()) {
      throw new IllegalArgumentException("Aggregation field position is out of range.");
    }
   
   
    AggregationFunctionFactory factory = function.getFactory();
    AggregationFunction<?> aggFunct = factory.createAggregationFunction(inType.getTypeAt(field).getTypeClass());
   
    this.aggregationFunctions.add(aggFunct);
    this.fields.add(field);

    return this;
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Related Classes of eu.stratosphere.api.java.aggregation.AggregationFunctionFactory

  • eu.stratosphere.api.java.operators.AggregateOperator
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