Package com.espertech.esper.common.client.soda

Class OrderedObjectParamExpression

java.lang.Object

com.espertech.esper.common.client.soda.ExpressionBase

com.espertech.esper.common.client.soda.OrderedObjectParamExpression

All Implemented Interfaces:

Expression, Serializable

public class OrderedObjectParamExpression
extends ExpressionBase

For use in view parameter lists, this is a wrapper expression that adds an ascending or descending sort indicator to its single child expression.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
OrderedObjectParamExpression()	Ctor.
OrderedObjectParamExpression(boolean descending)	Ctor.

Method Summary

Modifier and Type	Method	Description
boolean	getDescending()	Returns true for descending, false for ascending.
ExpressionPrecedenceEnum	getPrecedence()	Return precedence.
boolean	isDescending()	Returns true for descending, false for ascending.
void	setDescending(boolean descending)	Return true for descending.
void	toPrecedenceFreeEPL(StringWriter writer)	Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Methods inherited from class com.espertech.esper.common.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 Details

OrderedObjectParamExpression

public OrderedObjectParamExpression()

Ctor.

OrderedObjectParamExpression

public OrderedObjectParamExpression(boolean descending)

Ctor.

Parameters:

descending - to indicate a descending sort, or false for ascending

Method Details

isDescending

public boolean isDescending()

Returns true for descending, false for ascending.

Returns:

indicator for descending sort

getDescending

public boolean getDescending()

Returns true for descending, false for ascending.

Returns:

indicator for descending sort

setDescending

public void setDescending(boolean descending)

Return true for descending.

Parameters:

descending - indicator

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Return precedence.

Returns:

precedence

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer)

Description copied from class: ExpressionBase

Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Specified by:

toPrecedenceFreeEPL in class ExpressionBase

Parameters:

writer - is the output to use