com.espertech.esper.epl.expression.ops

Class ExprConcatNodeForgeEvalWNew

java.lang.Object

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

All Implemented Interfaces:

ExprEvaluator

public class ExprConcatNodeForgeEvalWNew
extends java.lang.Object
implements ExprEvaluator

Method Summary

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

evaluate

public java.lang.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 java.lang.String evaluate(EventBean[] eventsPerStream,
                                           boolean isNewData,
                                           ExprEvaluatorContext context,
                                           java.lang.StringBuffer buffer,
                                           ExprEvaluator[] evaluators,
                                           ExprConcatNodeForge form)

codegen

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