Package org.drools.factmodel

Examples of org.drools.factmodel.FieldDefinition

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            String fullFieldType;
            try {
                String typeName = field.getPattern().getObjectType();
                fullFieldType = generatedTypes.contains(typeName) ? typeName : pkgRegistry.getTypeResolver().resolveType(typeName).getName();

                FieldDefinition fieldDef = new FieldDefinition( field.getFieldName(),
                                                                fullFieldType );
                // field is marked as PK
                boolean isKey = field.getAnnotation( TypeDeclaration.ATTR_KEY ) != null;
                fieldDef.setKey( isKey );

                fieldDef.setIndex( field.getIndex() );
                fieldDef.setInherited( field.isInherited() );
                fieldDef.setInitExpr( field.getInitExpr() );

                for (String annotationName : field.getAnnotationNames()) {
                    Class annotation = resolveAnnotation( annotationName,
                                                          pkgRegistry.getTypeResolver() );
                    if (annotation != null) {
                        try {
                            AnnotationDefinition annotationDefinition = AnnotationDefinition.build( annotation,
                                                                                                    field.getAnnotations().get( annotationName ).getValueMap(),
                                                                                                    pkgRegistry.getTypeResolver() );
                            fieldDef.addAnnotation( annotationDefinition );
                        } catch (NoSuchMethodException nsme) {
                            this.results.add( new TypeDeclarationError( field,
                                                                        "Annotated field " + field.getFieldName() +
                                                                        "  - undefined property in @annotation " +
                                                                        annotationName + ": " + nsme.getMessage() + ";" ) );
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            return;
        }

        //add the missing fields (if any) to newDeclaration
        for ( FieldDefinition oldFactField : oldDeclaration.getTypeClassDef().getFieldsDefinitions() ) {
            FieldDefinition newFactField = newDeclaration.getTypeClassDef().getField( oldFactField.getName() );
            if ( newFactField == null){
                newDeclaration.getTypeClassDef().addField( oldFactField );
            }
        }
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                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            FieldDefinition field = clsDef.getField( descr.getPosition() );
            if ( field == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            // TODO: WTH is this??????
            DRLLexer lex = new DRLLexer( new ANTLRStringStream( descr.getExpression() ) );
            boolean isSimpleIdentifier = false;
            try {
                lex.mID();
                isSimpleIdentifier = lex.getCharIndex() >= descr.getExpression().length();
            } catch ( RecognitionException e ) {

            }

            if ( isSimpleIdentifier ) {
                // create a binding
                BindingDescr binder = new BindingDescr();
                binder.setUnification( true );
                binder.setExpression( field.getName() );
                binder.setVariable( descr.getExpression() );
                buildRuleBindings( context,
                                   patternDescr,
                                   pattern,
                                   binder );
            } else {
                // create a constraint
                build( context,
                       patternDescr,
                       pattern,
                       descr,
                       field.getName() + " == " + descr.getExpression() );
            }
        }
    }
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                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            FieldDefinition field = clsDef.getField( descr.getPosition() );
            if ( field == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            String expr = descr.getExpression();
            boolean isSimpleIdentifier = isIdentifier(expr);

            if ( isSimpleIdentifier ) {
                // create a binding
                BindingDescr binder = new BindingDescr();
                binder.setUnification( true );
                binder.setExpression( field.getName() );
                binder.setVariable( descr.getExpression() );
                buildRuleBindings( context,
                                   patternDescr,
                                   pattern,
                                   binder );
            } else {
                // create a constraint
                build( context,
                       patternDescr,
                       pattern,
                       descr,
                       field.getName() + " == " + descr.getExpression() );
            }
        }
    }
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        }

        for (Field fld : fields) {
            Position pos = fld.getAnnotation( Position.class );
            if (pos != null) {
                FieldDefinition fldDef = new FieldDefinition( fld.getName(),
                                                              fld.getType().getName() );
                fldDef.setIndex( pos.value() );
                orderedFields.set( pos.value(),
                                   fldDef );
            }
        }
        for (FieldDefinition fld : orderedFields) {
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                    continue;
                }
                if ( !inspector.isNonGetter( fieldName ) && setters.keySet().contains( fieldName ) ) {

                    Class ret = methods.get( fieldName ).getReturnType();
                    FieldDefinition field = new FieldDefinition();
                    field.setName( fieldName );
                    field.setTypeName( ret.getName() );
                    field.setIndex( j++ );
                    type.getTypeClassDef().addField( field );
                }
            }

            Set<String> interfaces = new HashSet<String>();
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        if (!typeDescr.getFields().isEmpty()) {
            PriorityQueue<FieldDefinition> fieldDefs = sortFields( typeDescr.getFields(),
                                                                   pkgRegistry );
            int n = fieldDefs.size();
            for ( int k = 0; k < n; k++ ) {
                FieldDefinition fld = fieldDefs.poll();
                if (unresolvedTypeDefinitions != null) {
                    for (TypeDefinition typeDef : unresolvedTypeDefinitions) {
                        if (fld.getTypeName().equals(typeDef.getTypeClassName())) {
                            fld.setRecursive(true);
                            break;
                        }
                    }
                }
                fld.setIndex( k );
                def.addField( fld );
            }
        }

        // check whether it is necessary to build the class or not
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            try {
                String typeName = field.getPattern().getObjectType();
                String fullFieldType = generatedTypes.contains(typeName) ? typeName : pkgRegistry.getTypeResolver().resolveType(typeName).getName();

                FieldDefinition fieldDef = new FieldDefinition( field.getFieldName(),
                                                                fullFieldType );
                // field is marked as PK
                boolean isKey = field.getAnnotation( TypeDeclaration.ATTR_KEY ) != null;
                fieldDef.setKey( isKey );

                fieldDef.setDeclIndex( field.getIndex() );
                if ( field.getIndex() < 0 ) {
                    int freePos = occupiedPositions.nextClearBit( 0 );
                    if ( freePos < maxDeclaredPos ) {
                        occupiedPositions.set( freePos );
                    } else {
                        freePos = maxDeclaredPos + 1;
                    }
                    fieldDef.setPriority( freePos * 256 + curr++ );
                } else {
                    fieldDef.setPriority( field.getIndex() * 256 + curr++ );
                }
                fieldDef.setInherited( field.isInherited() );
                fieldDef.setInitExpr( field.getInitExpr() );

                for (String annotationName : field.getAnnotationNames()) {
                    Class annotation = resolveAnnotation( annotationName,
                                                          pkgRegistry.getTypeResolver() );
                    if (annotation != null) {
                        try {
                            AnnotationDefinition annotationDefinition = AnnotationDefinition.build( annotation,
                                                                                                    field.getAnnotations().get( annotationName ).getValueMap(),
                                                                                                    pkgRegistry.getTypeResolver() );
                            fieldDef.addAnnotation( annotationDefinition );
                        } catch (NoSuchMethodException nsme) {
                            this.results.add( new TypeDeclarationError( field,
                                                                        "Annotated field " + field.getFieldName() +
                                                                        "  - undefined property in @annotation " +
                                                                        annotationName + ": " + nsme.getMessage() + ";" ) );
                        }
                    } else {
                        fieldDef.addMetaData( annotationName, field.getAnnotation( annotationName ).getSingleValue() );
                    }
                }

                queue.add( fieldDef );
            } catch (ClassNotFoundException cnfe) {
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            return;
        }

        //add the missing fields (if any) to newDeclaration
        for ( FieldDefinition oldFactField : oldDeclaration.getTypeClassDef().getFieldsDefinitions() ) {
            FieldDefinition newFactField = newDeclaration.getTypeClassDef().getField( oldFactField.getName() );
            if ( newFactField == null){
                newDeclaration.getTypeClassDef().addField( oldFactField );
            }
        }
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                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            FieldDefinition field = clsDef.getField( descr.getPosition() );
            if ( field == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }

            String expr = descr.getExpression();
            boolean isSimpleIdentifier = !expr.equals("true") && !expr.equals("false") &&
                                         !expr.equals("null") && expr.matches("[a-zA-Z_\\$][a-zA-Z_\\$0-9]*");

            if ( isSimpleIdentifier ) {
                // create a binding
                BindingDescr binder = new BindingDescr();
                binder.setUnification( true );
                binder.setExpression( field.getName() );
                binder.setVariable( descr.getExpression() );
                buildRuleBindings( context,
                                   patternDescr,
                                   pattern,
                                   binder );
            } else {
                // create a constraint
                build( context,
                       patternDescr,
                       pattern,
                       descr,
                       field.getName() + " == " + descr.getExpression() );
            }
        }
    }
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Related Classes of org.drools.factmodel.FieldDefinition

  • org.drools.compiler.PackageBuilder
  • org.drools.factmodel.traits.TraitCoreWrapperClassBuilderImpl
  • org.drools.factmodel.traits.TraitFactory
  • org.drools.factmodel.traits.TraitMapPropertyWrapperClassBuilderImpl
  • org.drools.factmodel.traits.TraitMapProxyClassBuilderImpl
  • org.drools.factmodel.traits.TraitRegistry
  • org.drools.factmodel.traits.TraitTriplePropertyWrapperClassBuilderImpl
  • org.drools.factmodel.traits.TraitTripleProxyClassBuilderImpl
  • org.drools.rule.builder.PatternBuilder
  • java.util.ArrayList
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