com.espertech.esper.epl.expression.ops

Class ExprEqualsNodeForgeCoercionEval

java.lang.Object

com.espertech.esper.epl.expression.ops.ExprEqualsNodeForgeCoercionEval

All Implemented Interfaces:

ExprEvaluator

public class ExprEqualsNodeForgeCoercionEval
extends Object
implements ExprEvaluator

Constructor Summary

Constructors

Constructor and Description
ExprEqualsNodeForgeCoercionEval(ExprEqualsNodeImpl parent, ExprEvaluator lhs, ExprEvaluator rhs, SimpleNumberCoercer numberCoercerLHS, SimpleNumberCoercer numberCoercerRHS)

Method Summary

Modifier and Type	Method and Description
static String	codegen(ExprEqualsNodeForgeCoercion forge, CodegenContext context, CodegenParamSetExprPremade params, ExprNode lhs, ExprNode rhs)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprEqualsNodeForgeCoercionEval

public ExprEqualsNodeForgeCoercionEval(ExprEqualsNodeImpl parent,
                                       ExprEvaluator lhs,
                                       ExprEvaluator rhs,
                                       SimpleNumberCoercer numberCoercerLHS,
                                       SimpleNumberCoercer numberCoercerRHS)

Method Detail

evaluate

public Object evaluate(EventBean[] eventsPerStream,
                       boolean isNewData,
                       ExprEvaluatorContext context)

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

Parameters:

eventsPerStream - - event tuple

isNewData - - indicates whether we are dealing with new data (istream) or old data (rstream)

context - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.

codegen

public static String codegen(ExprEqualsNodeForgeCoercion forge,
                             CodegenContext context,
                             CodegenParamSetExprPremade params,
                             ExprNode lhs,
                             ExprNode rhs)