Package io.siddhi.core.aggregation

Class AggregationExpressionVisitor

java.lang.Object

io.siddhi.core.table.record.BaseExpressionVisitor

io.siddhi.core.aggregation.AggregationExpressionVisitor

All Implemented Interfaces:

ExpressionVisitor

public class AggregationExpressionVisitor
extends BaseExpressionVisitor

Visitor class to reduce on condition Expression

Nested Class Summary

Nested classes/interfaces inherited from interface io.siddhi.core.table.record.ExpressionVisitor

ExpressionVisitor.MathOperator

Method Summary

Modifier and Type	Method	Description
void	addConstantExpression(io.siddhi.query.api.expression.Expression expression)
void	addVariableExpression(io.siddhi.query.api.expression.Expression expression)
boolean	applyReducedExpression()
void	endVisitAnd()
void	endVisitAttributeFunction(String namespace, String functionName, int numAttributeOperand)
void	endVisitCompare(io.siddhi.query.api.expression.condition.Compare.Operator operator)
void	endVisitIn(String storeId)
void	endVisitIsNull(String streamId)
void	endVisitMath(ExpressionVisitor.MathOperator mathOperator)
void	endVisitNot()
void	endVisitOr()
io.siddhi.query.api.expression.Expression	getReducedExpression()

Methods inherited from class io.siddhi.core.table.record.BaseExpressionVisitor

beginVisitAnd, beginVisitAndLeftOperand, beginVisitAndRightOperand, beginVisitAttributeFunction, beginVisitCompare, beginVisitCompareLeftOperand, beginVisitCompareRightOperand, beginVisitConstant, beginVisitIn, beginVisitIsNull, beginVisitMath, beginVisitMathLeftOperand, beginVisitMathRightOperand, beginVisitNot, beginVisitOr, beginVisitOrLeftOperand, beginVisitOrRightOperand, beginVisitParameterAttributeFunction, beginVisitStoreVariable, beginVisitStreamVariable, endVisitAndLeftOperand, endVisitAndRightOperand, endVisitAttributeFunction, endVisitCompareLeftOperand, endVisitCompareRightOperand, endVisitConstant, endVisitMathLeftOperand, endVisitMathRightOperand, endVisitOrLeftOperand, endVisitOrRightOperand, endVisitParameterAttributeFunction, endVisitStoreVariable, endVisitStreamVariable

Methods inherited from class java.lang.Object

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

Method Detail

applyReducedExpression

public boolean applyReducedExpression()

getReducedExpression

public io.siddhi.query.api.expression.Expression getReducedExpression()

endVisitAnd

public void endVisitAnd()

Specified by:

endVisitAnd in interface ExpressionVisitor

Overrides:

endVisitAnd in class BaseExpressionVisitor

endVisitOr

public void endVisitOr()

Specified by:

endVisitOr in interface ExpressionVisitor

Overrides:

endVisitOr in class BaseExpressionVisitor

endVisitNot

public void endVisitNot()

Specified by:

endVisitNot in interface ExpressionVisitor

Overrides:

endVisitNot in class BaseExpressionVisitor

endVisitCompare

public void endVisitCompare(io.siddhi.query.api.expression.condition.Compare.Operator operator)

Specified by:

endVisitCompare in interface ExpressionVisitor

Overrides:

endVisitCompare in class BaseExpressionVisitor

endVisitIsNull

public void endVisitIsNull(String streamId)

Specified by:

endVisitIsNull in interface ExpressionVisitor

Overrides:

endVisitIsNull in class BaseExpressionVisitor

endVisitIn

public void endVisitIn(String storeId)

Specified by:

endVisitIn in interface ExpressionVisitor

Overrides:

endVisitIn in class BaseExpressionVisitor

endVisitMath

public void endVisitMath(ExpressionVisitor.MathOperator mathOperator)

Specified by:

endVisitMath in interface ExpressionVisitor

Overrides:

endVisitMath in class BaseExpressionVisitor

endVisitAttributeFunction

public void endVisitAttributeFunction(String namespace,
                                      String functionName,
                                      int numAttributeOperand)

addConstantExpression

public void addConstantExpression(io.siddhi.query.api.expression.Expression expression)

addVariableExpression

public void addVariableExpression(io.siddhi.query.api.expression.Expression expression)