com.espertech.esper.client.soda

Class LastProjectionExpression

java.lang.Object

com.espertech.esper.client.soda.ExpressionBase

com.espertech.esper.client.soda.AccessProjectionExpressionBase

com.espertech.esper.client.soda.LastProjectionExpression

All Implemented Interfaces:

Expression, java.io.Serializable

public class LastProjectionExpression
extends AccessProjectionExpressionBase

Represents the "last" aggregation function.

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
java.lang.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

LastProjectionExpression

public LastProjectionExpression()

Ctor.

LastProjectionExpression

public LastProjectionExpression(Expression expression)

Ctor.

Parameters:

expression - to aggregate

Method Detail

getAggregationFunctionName

public java.lang.String getAggregationFunctionName()

Description copied from class: AccessProjectionExpressionBase

Returns the function name of the aggregation function.

Specified by:

getAggregationFunctionName in class AccessProjectionExpressionBase

Returns:

function name