Examples of com.ebay.erl.mobius.core.model.TupleColumnComparator$ObjectReader

com.ebay.erl.mobius.core.model.TupleColumnComparator
pache.org/licenses/LICENSE-2.0. This product contains portions derived from Apache hadoop which is licensed under the Apache License, Version 2.0, available at http://hadoop.apache.org. © 2007 – 2012 eBay Inc., Evan Chiu, Woody Zhou, Neel Sundaresan

  @Override
  protected boolean evaluate(Tuple tuple, Configuration configuration) 
  {
    if( this.comparator==null )
    {
      this.comparator = new TupleColumnComparator();
    }
    
    Object v1 = tuple.get(column1);
    Object v2 = tuple.get(column2);

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      // the value type and comparator
      this.aggregateResult    = newValue;
      this.valueType  = Tuple.getType(this.aggregateResult);
      
      if( _comparator==null && this._user_specified_comparator_clazz==null )
        _comparator = new TupleColumnComparator();
      else if (this._user_specified_comparator_clazz!=null && this._user_specified_comparator==null )
      {
        this._user_specified_comparator = (Comparator)Util.newInstance(this._user_specified_comparator_clazz);
      }
    }

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      {
        // user has specified sorters, create a comparator that
        // use sorters to compare.
        comp = new Comparator<Tuple>(){
        
          TupleColumnComparator comparator = new TupleColumnComparator();
          
          @Override
          public int compare(Tuple t1, Tuple t2) 
          {
            int result = comparator.compareKey(t1, t2, sorters, getConf());
            return result;
          }
        };
      }
    }

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      // the value type and comparator
      this.aggregateResult    = newValue;
      this.valueType  = Tuple.getType(this.aggregateResult);
      
      if( _comparator==null && this._user_specified_comparator_clazz==null )
        _comparator = new TupleColumnComparator();
      else if (this._user_specified_comparator_clazz!=null && this._user_specified_comparator==null )
      {
        this._user_specified_comparator = (Comparator)Util.newInstance(this._user_specified_comparator_clazz);
      }
    }

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com.ebay.erl.mobius.core.criterion.ColumnsCriterion

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com.ebay.erl.mobius.core.function.Min

com.ebay.erl.mobius.core.function.Top

com.ebay.erl.mobius.core.sort.Sorter

com.ebay.erl.mobius.core.sort.Sorter.Ordering

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