|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.espertech.esper.epl.agg.service.AggregationSupport
public abstract class AggregationSupport
Base class for use with plug-in aggregation functions.
Field Summary | |
---|---|
protected java.lang.String |
functionName
Provides the aggregation function name. |
Constructor Summary | |
---|---|
AggregationSupport()
Ctor. |
Method Summary | |
---|---|
java.lang.String |
getFunctionName()
Returns the name of the aggregation function. |
void |
setFunctionName(java.lang.String functionName)
Sets the aggregation function name. |
abstract void |
validate(AggregationValidationContext validationContext)
Implemented by plug-in aggregation functions to allow such functions to validate the type of values passed to the function at statement compile time and to generally interrogate parameter expressions. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.espertech.esper.epl.agg.aggregator.AggregationMethod |
---|
clear, enter, getValue, getValueType, leave |
Field Detail |
---|
protected java.lang.String functionName
Constructor Detail |
---|
public AggregationSupport()
Method Detail |
---|
public abstract void validate(AggregationValidationContext validationContext)
validationContext
- expression informationpublic void setFunctionName(java.lang.String functionName)
functionName
- is the name of the aggregation functionpublic java.lang.String getFunctionName()
|
© 2006-2014 EsperTech Inc. All rights reserved. Visit us at espertech.com |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |