Package com.espertech.esper.common.internal.epl.expression.ops

Class ExprRegexpNodeForgeNonconstEval

java.lang.Object

com.espertech.esper.common.internal.epl.expression.ops.ExprRegexpNodeForgeNonconstEval

All Implemented Interfaces:

ExprEvaluator

public class ExprRegexpNodeForgeNonconstEval
extends Object
implements ExprEvaluator

Field Summary

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprRegexpNodeForgeNonconstEval(ExprRegexpNodeForgeNonconst forge, ExprEvaluator lhsEval, ExprEvaluator patternEval)

Method Summary

Modifier and Type	Method	Description
static CodegenMethod	codegen(ExprRegexpNodeForgeNonconst forge, ExprNode lhs, ExprNode pattern, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)	Evaluate event tuple and return result.
static Pattern	exprRegexNodeCompilePattern(String text)	NOTE: Code-generation-invoked method, method name and parameter order matters

Methods inherited from class java.lang.Object

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

Constructor Details

ExprRegexpNodeForgeNonconstEval

public ExprRegexpNodeForgeNonconstEval(ExprRegexpNodeForgeNonconst forge,
 ExprEvaluator lhsEval,
 ExprEvaluator patternEval)

Method Details

exprRegexNodeCompilePattern

public static Pattern exprRegexNodeCompilePattern(String text)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

text - regex pattern

Returns:

pattern

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 CodegenMethod codegen(ExprRegexpNodeForgeNonconst forge,
 ExprNode lhs,
 ExprNode pattern,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)