com.klg.jclass.higrid
Class AggregateCount

java.lang.Object
  |
  +--com.klg.jclass.higrid.BaseAggregate
        |
        +--com.klg.jclass.higrid.AggregateCount

All Implemented Interfaces:

Aggregate, Serializable

public class AggregateCount

extends BaseAggregate

Implements the AggregateCount type.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.klg.jclass.higrid.BaseAggregate

bigDecimal, column, doubleValue, longValue, metaID

Constructor Summary

AggregateCount(com.klg.jclass.higrid.SummaryColumn column)
Creates an Aggregate that is the count of the elements in a column.

Method Summary

void	calculate(com.klg.jclass.higrid.RowNode rowNode) Perform the aggregation.
Object	getResultData() Returns the result data as an Object.

Methods inherited from class com.klg.jclass.higrid.BaseAggregate

addValue, cacheResultData, divideValue, done, getDoubleValue, getLongValue, getRowNodeResultData, init, isSameMetaID, nextLevel, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AggregateCount

public AggregateCount(com.klg.jclass.higrid.SummaryColumn column)

Creates an Aggregate that is the count of the elements in a column.

Method Detail

calculate

public void calculate(com.klg.jclass.higrid.RowNode rowNode)

Perform the aggregation.

Specified by:

calculate in interface Aggregate

Specified by:

calculate in class BaseAggregate

Parameters:

rowNode - The row node.

getResultData

public Object getResultData()

Returns the result data as an Object.

Specified by:

getResultData in interface Aggregate

Overrides:

getResultData in class BaseAggregate

Returns:

The result data.