com.espertech.esper.epl.expression.funcs

Class ExprInstanceofNodeForgeEval

java.lang.Object

com.espertech.esper.epl.expression.funcs.ExprInstanceofNodeForgeEval

All Implemented Interfaces:

ExprEvaluator

public class ExprInstanceofNodeForgeEval
extends java.lang.Object
implements ExprEvaluator

Constructor Summary

Constructors

Constructor and Description
ExprInstanceofNodeForgeEval(ExprInstanceofNodeForge forge, ExprEvaluator evaluator)

Method Summary

Modifier and Type	Method and Description
static CodegenExpression	codegen(ExprInstanceofNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.lang.Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) Evaluate event tuple and return result.
static java.lang.Boolean	instanceofCacheCheckOrAdd(java.lang.Class[] classes, java.util.concurrent.CopyOnWriteArrayList<Pair<java.lang.Class,java.lang.Boolean>> resultCache, java.lang.Object result) 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 Detail

ExprInstanceofNodeForgeEval

public ExprInstanceofNodeForgeEval(ExprInstanceofNodeForge forge,
                                   ExprEvaluator evaluator)

Method Detail

evaluate

public java.lang.Object evaluate(EventBean[] eventsPerStream,
                                 boolean isNewData,
                                 ExprEvaluatorContext exprEvaluatorContext)

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)

exprEvaluatorContext - context for expression evaluation

Returns:

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

instanceofCacheCheckOrAdd

public static java.lang.Boolean instanceofCacheCheckOrAdd(java.lang.Class[] classes,
                                                          java.util.concurrent.CopyOnWriteArrayList<Pair<java.lang.Class,java.lang.Boolean>> resultCache,
                                                          java.lang.Object result)

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

Parameters:

classes - classes

resultCache - cache

result - result

Returns:

bool

codegen

public static CodegenExpression codegen(ExprInstanceofNodeForge forge,
                                        CodegenMethodScope codegenMethodScope,
                                        ExprForgeCodegenSymbol exprSymbol,
                                        CodegenClassScope codegenClassScope)