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

Class SubqueryExpression

java.lang.Object

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

com.espertech.esper.common.client.soda.SubqueryExpression

All Implemented Interfaces:

Expression, Serializable

public class SubqueryExpression
extends ExpressionBase

Subquery-expression returns values returned by a lookup modelled by a further EPStatementObjectModel.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SubqueryExpression()	Ctor.
SubqueryExpression(EPStatementObjectModel model)	Ctor - for use to create an expression tree, without child expression.

Method Summary

Modifier and Type	Method	Description
EPStatementObjectModel	getModel()	Returns the lookup statement object model.
ExpressionPrecedenceEnum	getPrecedence()	Returns precedence.
void	setModel(EPStatementObjectModel model)	Sets the lookup statement object model.
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

SubqueryExpression

public SubqueryExpression()

Ctor.

SubqueryExpression

public SubqueryExpression(EPStatementObjectModel model)

Ctor - for use to create an expression tree, without child expression.

Parameters:

model - is the lookup statement object model

Method Details

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Description copied from interface: Expression

Returns 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

getModel

public EPStatementObjectModel getModel()

Returns the lookup statement object model.

Returns:

lookup model

setModel

public void setModel(EPStatementObjectModel model)

Sets the lookup statement object model.

Parameters:

model - is the lookup model to set