Package org.drools.modelcompiler.builder.generator

Class DrlxParseUtil

  • public class DrlxParseUtil
extends Object

    • Method Detail

      • isThisExpression

        public static boolean isThisExpression​(com.github.javaparser.ast.Node expr)

      • toConstraintType

        public static org.drools.model.Index.ConstraintType toConstraintType​(com.github.javaparser.ast.expr.BinaryExpr.Operator operator)

      • nameExprToMethodCallExpr

        public static TypedExpression nameExprToMethodCallExpr​(String name,
                                                       Type type,
                                                       com.github.javaparser.ast.expr.Expression scope,
                                                       RuleContext context)

      • returnTypeOfMethodCallExpr

        public static Type returnTypeOfMethodCallExpr​(RuleContext context,
                                              org.drools.core.addon.TypeResolver typeResolver,
                                              com.github.javaparser.ast.expr.MethodCallExpr methodCallExpr,
                                              Type clazz,
                                              Collection<String> usedDeclarations)

      • getExpressionType

        public static Type getExpressionType​(RuleContext context,
                                     org.drools.core.addon.TypeResolver typeResolver,
                                     com.github.javaparser.ast.expr.Expression expr,
                                     Collection<String> usedDeclarations)

      • canCoerceLiteralNumberExpr

        public static boolean canCoerceLiteralNumberExpr​(Class<?> type)

      • getLiteralExpressionType

        public static Class<?> getLiteralExpressionType​(com.github.javaparser.ast.expr.LiteralExpr expr)

      • prepend

        public static com.github.javaparser.ast.expr.Expression prepend​(com.github.javaparser.ast.expr.Expression scope,
                                                                com.github.javaparser.ast.expr.Expression expr)

      • findRootNodeViaParent

        public static Optional<com.github.javaparser.ast.Node> findRootNodeViaParent​(com.github.javaparser.ast.Node expr)

      • replaceAllHalfBinaryChildren

        public static com.github.javaparser.ast.Node replaceAllHalfBinaryChildren​(com.github.javaparser.ast.Node parent)

      • trasformHalfBinaryToBinary

        public static com.github.javaparser.ast.expr.Expression trasformHalfBinaryToBinary​(com.github.javaparser.ast.expr.Expression drlxExpr)

      • findLastMethodInChain

        public static com.github.javaparser.ast.expr.MethodCallExpr findLastMethodInChain​(com.github.javaparser.ast.expr.MethodCallExpr expr)

      • findRootNodeViaScope

        public static Optional<com.github.javaparser.ast.expr.Expression> findRootNodeViaScope​(com.github.javaparser.ast.expr.Expression expr)

      • parseBlock

        public static com.github.javaparser.ast.stmt.BlockStmt parseBlock​(String ruleConsequenceAsBlock)

      • generateLambdaWithoutParameters

        public static com.github.javaparser.ast.expr.Expression generateLambdaWithoutParameters​(Collection<String> usedDeclarations,
                                                                                        com.github.javaparser.ast.expr.Expression expr)

      • generateLambdaWithoutParameters

        public static com.github.javaparser.ast.expr.Expression generateLambdaWithoutParameters​(com.github.javaparser.ast.expr.Expression expr)

      • generateLambdaWithoutParameters

        public static com.github.javaparser.ast.expr.Expression generateLambdaWithoutParameters​(Collection<String> usedDeclarations,
                                                                                        com.github.javaparser.ast.expr.Expression expr,
                                                                                        boolean skipFirstParamAsThis,
                                                                                        Optional<Class<?>> patternClass)

      • generateLambdaWithoutParameters

        public static com.github.javaparser.ast.expr.Expression generateLambdaWithoutParameters​(Collection<String> usedDeclarations,
                                                                                        com.github.javaparser.ast.expr.Expression expr,
                                                                                        boolean skipFirstParamAsThis,
                                                                                        Optional<Class<?>> patternClass,
                                                                                        RuleContext ruleContext)

      • createSimpleAnnotation

        public static com.github.javaparser.ast.expr.AnnotationExpr createSimpleAnnotation​(Class<?> annotationClass)

      • createSimpleAnnotation

        public static com.github.javaparser.ast.expr.AnnotationExpr createSimpleAnnotation​(String className)

      • classToReferenceType

        public static com.github.javaparser.ast.type.Type classToReferenceType​(Class<?> declarationClass)

      • classToReferenceType

        public static com.github.javaparser.ast.type.Type classToReferenceType​(DeclarationSpec declaration)

      • toJavaParserType

        public static com.github.javaparser.ast.type.Type toJavaParserType​(Class<?> cls)

      • toJavaParserType

        public static com.github.javaparser.ast.type.Type toJavaParserType​(Class<?> cls,
                                                                   boolean primitive)

      • toClassOrInterfaceType

        public static com.github.javaparser.ast.type.ClassOrInterfaceType toClassOrInterfaceType​(Class<?> declClass)

      • toClassOrInterfaceType

        public static com.github.javaparser.ast.type.ClassOrInterfaceType toClassOrInterfaceType​(String className)

      • toStringLiteral

        public static com.github.javaparser.ast.expr.StringLiteralExpr toStringLiteral​(String s)

      • findBindingIdFromDotExpression

        public static Optional<String> findBindingIdFromDotExpression​(String expression)

      • findViaScopeWithPredicate

        public static Optional<com.github.javaparser.ast.expr.Expression> findViaScopeWithPredicate​(com.github.javaparser.ast.expr.Expression expr,
                                                                                            Predicate<com.github.javaparser.ast.expr.Expression> predicate)

      • parseExpression

        public static org.drools.mvel.parser.ast.expr.DrlxExpression parseExpression​(String expression)

      • getClassFromType

        public static Class<?> getClassFromType​(org.drools.core.addon.TypeResolver typeResolver,
                                        com.github.javaparser.ast.type.Type type)

      • getClassFromContext

        public static Class<?> getClassFromContext​(org.drools.core.addon.TypeResolver typeResolver,
                                           String className)

      • isPrimitiveExpression

        public static boolean isPrimitiveExpression​(com.github.javaparser.ast.expr.Expression expr)

      • forceCastForName

        public static void forceCastForName​(String nameRef,
                                    com.github.javaparser.ast.type.Type type,
                                    com.github.javaparser.ast.Node expression)
        Mutates expression such that, if it contains a 
        nameRef
        , it is replaced and forcibly casted with 
        (type) nameRef
        .
        Parameters:
        expression - a mutated expression

      • rescopeNamesToNewScope

        public static void rescopeNamesToNewScope​(com.github.javaparser.ast.expr.Expression newScope,
                                          List<String> names,
                                          com.github.javaparser.ast.Node e)
        Mutates expression such that, if it contains a NameExpr for any of the names, it is replaced with a FieldAccessExpr having newScope as the scope.

      • getPatternListenedProperties

        public static List<String> getPatternListenedProperties​(org.drools.drl.ast.descr.PatternDescr pattern)

      • findLastPattern

        public static Optional<com.github.javaparser.ast.expr.MethodCallExpr> findLastPattern​(List<com.github.javaparser.ast.expr.Expression> expressions)

      • isNameExprWithName

        public static boolean isNameExprWithName​(com.github.javaparser.ast.Node expression,
                                         String name)

      • findAllChildrenRecursive

        public static List<com.github.javaparser.ast.Node> findAllChildrenRecursive​(com.github.javaparser.ast.expr.Expression e)

      • clearAccessorCache

        public static void clearAccessorCache()

      • transformDrlNameExprToNameExpr

        public static <T extends com.github.javaparser.ast.Node> T transformDrlNameExprToNameExpr​(T e)

      • addCurlyBracesToBlock

        public static String addCurlyBracesToBlock​(String blockString)

      • addSemicolon

        public static String addSemicolon​(String block)

      • uncastExpr

        public static com.github.javaparser.ast.expr.Expression uncastExpr​(com.github.javaparser.ast.expr.Expression e)

      • collectUsedDeclarationsInExpression

        public static Collection<String> collectUsedDeclarationsInExpression​(com.github.javaparser.ast.expr.Expression expr)

      • safeResolveType

        public static Optional<Type> safeResolveType​(org.drools.core.addon.TypeResolver typeResolver,
                                             String typeName)

      • unEncloseExpr

        public static com.github.javaparser.ast.expr.Expression unEncloseExpr​(com.github.javaparser.ast.expr.Expression expression)

      • createMvelCompiler

        public static org.drools.mvelcompiler.MvelCompiler createMvelCompiler​(RuleContext context)

      • createConstraintCompiler

        public static org.drools.mvelcompiler.ConstraintCompiler createConstraintCompiler​(RuleContext context,
                                                                                  Optional<Class<?>> originalPatternType)

      • isBooleanBoxedUnboxed

        public static boolean isBooleanBoxedUnboxed​(Type exprType)

      • hasDuplicateExpr

        public static boolean hasDuplicateExpr​(com.github.javaparser.ast.stmt.BlockStmt ruleBlock,
                                       com.github.javaparser.ast.expr.Expression expr)

      • stripEnclosedExpr

        public static com.github.javaparser.ast.expr.Expression stripEnclosedExpr​(com.github.javaparser.ast.expr.EnclosedExpr eExpr)