com.espertech.esper.client.soda

Class WindowProjectionExpression

java.lang.Object

com.espertech.esper.client.soda.ExpressionBase

com.espertech.esper.client.soda.AccessProjectionExpressionBase

com.espertech.esper.client.soda.WindowProjectionExpression

All Implemented Interfaces:

Expression, Serializable

public class WindowProjectionExpression
extends AccessProjectionExpressionBase

Represents the "window" aggregation function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WindowProjectionExpression() Ctor.
WindowProjectionExpression(Expression expression) Ctor.

Method Summary

Modifier and Type	Method and Description
String	getAggregationFunctionName() Returns the function name of the aggregation function.

Methods inherited from class com.espertech.esper.client.soda.AccessProjectionExpressionBase

getPrecedence, toPrecedenceFreeEPL

Methods inherited from class com.espertech.esper.client.soda.ExpressionBase

addChild, getChildren, getTreeObjectName, renderAggregation, setChildren, setTreeObjectName, toEPL, toPrecedenceFreeEPL, toPrecedenceFreeEPL

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowProjectionExpression

public WindowProjectionExpression()

Ctor.

WindowProjectionExpression

public WindowProjectionExpression(Expression expression)

Ctor.

Parameters:

expression - to aggregate

Method Detail

getAggregationFunctionName

public String getAggregationFunctionName()

Description copied from class: AccessProjectionExpressionBase

Returns the function name of the aggregation function.

Specified by:

getAggregationFunctionName in class AccessProjectionExpressionBase

Returns:

function name