com.espertech.esper.epl.script.mvel

Class MVELHelper

java.lang.Object

com.espertech.esper.epl.script.mvel.MVELHelper

public class MVELHelper
extends java.lang.Object

============= Without MVEL dependencies in classpath, this call verifies and compiles an MVEL script. =============

Constructor Summary

Constructors

Constructor and Description
MVELHelper()

Method Summary

Modifier and Type	Method and Description
static ExpressionScriptCompiled	compile(java.lang.String scriptName, java.lang.String expression, java.util.Map<java.lang.String,java.lang.Class> mvelInputParamTypes, EngineImportService engineImportService)
static void	verifyScript(ExpressionScriptProvided script, EngineImportService engineImportService) Verify MVEL script (not compiling it).

Methods inherited from class java.lang.Object

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

Constructor Detail

MVELHelper

public MVELHelper()

Method Detail

verifyScript

public static void verifyScript(ExpressionScriptProvided script,
                                EngineImportService engineImportService)
                         throws ExprValidationException

Verify MVEL script (not compiling it). Compiling is done by the first expression node using the expression since only then parameter types can be bound.

Parameters:

script - to verify/analyze

engineImportService - engine imports

Throws:

ExprValidationException - when not all parameters are resolved

compile

public static ExpressionScriptCompiled compile(java.lang.String scriptName,
                                               java.lang.String expression,
                                               java.util.Map<java.lang.String,java.lang.Class> mvelInputParamTypes,
                                               EngineImportService engineImportService)
                                        throws ExprValidationException

Throws:

ExprValidationException