com.espertech.esper.epl.agg.aggregator

Class AggregatorAvgBigDecimal

java.lang.Object

com.espertech.esper.epl.agg.aggregator.AggregatorAvgBigDecimal

All Implemented Interfaces:

AggregationMethod

Direct Known Subclasses:

AggregatorAvgBigDecimalFilter

public class AggregatorAvgBigDecimal
extends Object
implements AggregationMethod

Average that generates a BigDecimal numbers.

Field Summary

Fields

Modifier and Type	Field and Description
protected long	numDataPoints
protected MathContext	optionalMathContext
protected BigDecimal	sum

Constructor Summary

Constructors

Constructor and Description
AggregatorAvgBigDecimal(MathContext optionalMathContext) Ctor.

Method Summary

Modifier and Type	Method and Description
void	clear() Clear out the collection.
void	enter(Object object) Apply the value as entering aggregation (entering window).
BigDecimal	getValue() Returns the current value held.
void	leave(Object object) Apply the value as leaving aggregation (leaving window).

Methods inherited from class java.lang.Object

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

Field Detail

sum

protected BigDecimal sum

numDataPoints

protected long numDataPoints

optionalMathContext

protected MathContext optionalMathContext

Constructor Detail

AggregatorAvgBigDecimal

public AggregatorAvgBigDecimal(MathContext optionalMathContext)

Ctor.

Parameters:

optionalMathContext - math context

Method Detail

clear

public void clear()

Description copied from interface: AggregationMethod

Clear out the collection.

Specified by:

clear in interface AggregationMethod

enter

public void enter(Object object)

Description copied from interface: AggregationMethod

Apply the value as entering aggregation (entering window).

The value can be null since 'null' values may be counted as unique separate values.

Specified by:

enter in interface AggregationMethod

Parameters:

object - to add to aggregate

leave

public void leave(Object object)

Description copied from interface: AggregationMethod

Apply the value as leaving aggregation (leaving window).

The value can be null since 'null' values may be counted as unique separate values.

Specified by:

leave in interface AggregationMethod

Parameters:

object - to remove from aggregate

getValue

public BigDecimal getValue()

Description copied from interface: AggregationMethod

Returns the current value held.

Specified by:

getValue in interface AggregationMethod

Returns:

current value