Package org.drools.mvel.builder

Class MVELExprAnalyzer

java.lang.Object

org.drools.mvel.builder.MVELExprAnalyzer

public class MVELExprAnalyzer
extends Object

Expression analyzer.

Constructor Summary

Constructors

Constructor	Description
MVELExprAnalyzer()

Method Summary

Modifier and Type	Method	Description
static MVELAnalysisResult	analyze(Set<String> identifiers, org.drools.compiler.compiler.BoundIdentifiers availableIdentifiers)	Analyse an expression.
static MVELAnalysisResult	analyzeExpression(org.drools.compiler.rule.builder.PackageBuildContext context, String expr, org.drools.compiler.compiler.BoundIdentifiers availableIdentifiers, Map<String,Class<?>> localTypes, String contextIdentifier, Class kcontextClass)	Analyze an expression.
static Class<?>	getExpressionType(org.drools.compiler.rule.builder.PackageBuildContext context, Map<String,Class<?>> declCls, org.drools.core.rule.RuleConditionElement source, String expression)

Methods inherited from class java.lang.Object

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

Constructor Detail

MVELExprAnalyzer

public MVELExprAnalyzer()

Method Detail

analyzeExpression

public static MVELAnalysisResult analyzeExpression(org.drools.compiler.rule.builder.PackageBuildContext context,
                                                   String expr,
                                                   org.drools.compiler.compiler.BoundIdentifiers availableIdentifiers,
                                                   Map<String,Class<?>> localTypes,
                                                   String contextIdentifier,
                                                   Class kcontextClass)

Analyze an expression.

Parameters:

expr - The expression to analyze.

availableIdentifiers - Total set of declarations available.

Returns:

The Set of declarations used by the expression.

Throws:

org.antlr.runtime.RecognitionException - If an error occurs in the parser.

analyze

public static MVELAnalysisResult analyze(Set<String> identifiers,
                                         org.drools.compiler.compiler.BoundIdentifiers availableIdentifiers)

Analyse an expression.

Throws:

org.antlr.runtime.RecognitionException - If an error occurs in the parser.

getExpressionType

public static Class<?> getExpressionType(org.drools.compiler.rule.builder.PackageBuildContext context,
                                         Map<String,Class<?>> declCls,
                                         org.drools.core.rule.RuleConditionElement source,
                                         String expression)