com.espertech.esper.epl.expression.funcs
Class ExprCastNode.StringParserComputer

java.lang.Object
  com.espertech.esper.epl.expression.funcs.ExprCastNode.StringParserComputer

All Implemented Interfaces:

ExprCastNode.CasterParserComputer

Enclosing class:

ExprCastNode

public static class ExprCastNode.StringParserComputer
extends java.lang.Object
implements ExprCastNode.CasterParserComputer

Casting and parsing computer.

Constructor Summary

ExprCastNode.StringParserComputer(SimpleTypeParser parser)

Method Summary

java.lang.Object	compute(java.lang.Object input, EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext exprEvaluatorContext) Compute an result performing casting and parsing.
boolean	isConstantForConstInput()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprCastNode.StringParserComputer

public ExprCastNode.StringParserComputer(SimpleTypeParser parser)

Method Detail

compute

public java.lang.Object compute(java.lang.Object input,
                                EventBean[] eventsPerStream,
                                boolean newData,
                                ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: ExprCastNode.CasterParserComputer

Compute an result performing casting and parsing.

Specified by:

compute in interface ExprCastNode.CasterParserComputer

Parameters:

input - to process

eventsPerStream - events per stream

newData - new data indicator

exprEvaluatorContext - evaluation context

Returns:

cast or parse result

isConstantForConstInput

public boolean isConstantForConstInput()

Specified by:

isConstantForConstInput in interface ExprCastNode.CasterParserComputer