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

Class ExprConcatNodeForgeEvalWNew

java.lang.Object

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

All Implemented Interfaces:

ExprEvaluator

public class ExprConcatNodeForgeEvalWNew
extends Object
implements ExprEvaluator

Field Summary

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

EPTYPE, EPTYPEARRAY

Method Summary

Modifier and Type	Method	Description
static CodegenExpression	codegen(ExprConcatNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)	Evaluate event tuple and return result.
protected static String	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context, StringBuffer buffer, ExprEvaluator[] evaluators, ExprConcatNodeForge form)

Methods inherited from class java.lang.Object

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

Method Details

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.

evaluate

protected static String evaluate(EventBean[] eventsPerStream,
 boolean isNewData,
 ExprEvaluatorContext context,
 StringBuffer buffer,
 ExprEvaluator[] evaluators,
 ExprConcatNodeForge form)

codegen

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