Package org.drools.core.factmodel

Examples of org.drools.core.factmodel.ClassDefinition

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        if ( hierarchy == null || hierarchy.size() <= 1 ) {
            hierarchy = other.hierarchy;
        } else {
            if ( other.traits != null ) {
                for ( String traitName : other.traits.keySet() ) {
                    ClassDefinition trait = other.traits.get( traitName );
                    List<String> parentTraits = new ArrayList<String>( );
                    for ( String candidateIntf : trait.getInterfaces() ) {
                        if ( hierarchy.getCode( candidateIntf ) != null ) {
                            parentTraits.add( candidateIntf );
                        }
                    }
                    hierarchy.encode( trait.getName(), parentTraits );
                }
            }
        }
    }
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    protected ClassDefinition getTrait( String key ) {
        if ( key.endsWith(  TraitFactory.SUFFIX ) ) {
            key = key.replace(  TraitFactory.SUFFIX , "" );
        }
        ClassDefinition traitDef = traits != null ? traits.get( key ) : null;
        if ( traitDef == null ) {

        }
        return traitDef;
    }
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        return mask;
    }

    private Long bind( String trait, String traitable ) throws UnsupportedOperationException {
        ClassDefinition traitDef = getTrait( trait );
        if ( traitDef == null ) {
            throw new UnsupportedOperationException( " Unable to apply trait " + trait + " to class " + traitable + " : not a trait " );
        }
        ClassDefinition traitableDef = getTraitable( traitable );
        if ( traitableDef == null ) {
            throw new UnsupportedOperationException( " Unable to apply trait " + trait + " to class " + traitable + " : not a traitable " );
        }

        int j = 0;
        long bitmask = 0;
        for ( FactField field : traitDef.getFields() ) {
            FieldDefinition fdef = (FieldDefinition) field;
            boolean isAliased = fdef.hasAlias();
            String alias = ((FieldDefinition) field).resolveAlias( traitableDef );

            FieldDefinition concreteField = traitableDef.getField( alias );
            Class concreteType = concreteField != null ? concreteField.getType() : null;
            Class virtualType = field.getType();

            if ( concreteType != null
                    && concreteType.isAssignableFrom( virtualType ) ) {
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                                if ( definedKlass == null && typeDeclaration.isNovel() ) {
                                    throw new RuntimeException( "Registering null bytes for class " + className );
                                }

                                if (newDecl.getTypeClassDef() == null) {
                                    newDecl.setTypeClassDef( new ClassDefinition() );
                                }
                                newDecl.getTypeClassDef().setDefinedClass( definedKlass );
                                newDecl.setTypeClass( definedKlass );

                                this.classTypeDeclaration.put( className, newDecl );
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    public TraitRegistry() {

        TypeDeclaration thingType = new TypeDeclaration( Thing.class.getName() );
        thingType.setKind( TypeDeclaration.Kind.TRAIT );
        thingType.setTypeClass( Thing.class );
        ClassDefinition def = new ClassDefinition();
        def.setClassName( thingType.getTypeClass().getName() );
        def.setDefinedClass( Thing.class );
        addTrait( def );

        ClassDefinition individualDef = new ClassDefinition();
        individualDef.setClassName( Entity.class.getName() );
        individualDef.setDefinedClass( Entity.class );
        individualDef.setInterfaces( new String[] { Serializable.class.getName(), TraitableBean.class.getName() } );
        individualDef.setTraitable( true );
        addTraitable( individualDef );
    }
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        if ( hierarchy == null || hierarchy.size() <= 1 ) {
            hierarchy = other.hierarchy;
        } else {
            if ( other.traits != null ) {
                for ( String traitName : other.traits.keySet() ) {
                    ClassDefinition trait = other.traits.get( traitName );
                    hierarchy.encode( trait.getName(), Arrays.asList( trait.getInterfaces() ) );
                }
            }
        }

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    protected ClassDefinition getTrait( String key ) {
        if ( key.endsWith(  TraitFactory.SUFFIX ) ) {
            key = key.replace(  TraitFactory.SUFFIX , "" );
        }
        ClassDefinition traitDef = traits != null ? traits.get( key ) : null;
        if ( traitDef == null ) {

        }
        return traitDef;
    }
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        return mask;
    }

    private Long bind( String trait, String traitable ) throws UnsupportedOperationException {
        ClassDefinition traitDef = getTrait( trait );
        if ( traitDef == null ) {
            throw new UnsupportedOperationException( " Unable to apply trait " + trait + " to class " + traitable + " : not a trait " );
        }
        ClassDefinition traitableDef = getTraitable( traitable );
        if ( traitableDef == null ) {
            throw new UnsupportedOperationException( " Unable to apply trait " + trait + " to class " + traitable + " : not a traitable " );
        }

        int j = 0;
        long bitmask = 0;
        for ( FactField field : traitDef.getFields() ) {
            FieldDefinition fdef = (FieldDefinition) field;
            boolean isAliased = fdef.hasAlias();
            String alias = ((FieldDefinition) field).resolveAlias( traitableDef );

            FieldDefinition concreteField = traitableDef.getField( alias );
            Class concreteType = concreteField != null ? concreteField.getType() : null;
            Class virtualType = field.getType();

            if ( concreteType != null
                    && concreteType.isAssignableFrom( virtualType ) ) {
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        Class coreKlass = core.getClass();


        // get the trait classDef
        ClassDefinition tdef = ruleBase.getTraitRegistry().getTrait( trait.getName() );
        ClassDefinition cdef = ruleBase.getTraitRegistry().getTraitable( coreKlass.getName() );

        if ( tdef == null ) {
            throw new RuntimeDroolsException( "Unable to find Trait definition for class " + trait.getName() + ". It should have been DECLARED as a trait" );
        }
        if ( cdef == null ) {
            throw new RuntimeDroolsException( "Unable to find Core class definition for class " + coreKlass.getName() + ". It should have been DECLARED as a trait" );
        }

        String proxyName = getProxyName( tdef, cdef );
        String wrapperName = getPropertyWrapperName( tdef, cdef );

        ReteooComponentFactory rcf = ruleBase.getConfiguration().getComponentFactory();


        TraitPropertyWrapperClassBuilder propWrapperBuilder = (TraitPropertyWrapperClassBuilder) rcf.getClassBuilderFactory().getPropertyWrapperBuilder();
        propWrapperBuilder.init( tdef, ruleBase.getTraitRegistry() );
        try {
            byte[] propWrapper = propWrapperBuilder.buildClass( cdef );
            ruleBase.registerAndLoadTypeDefinition( wrapperName, propWrapper );
        } catch (Exception e) {
            e.printStackTrace();
        }


        TraitProxyClassBuilder proxyBuilder = (TraitProxyClassBuilder) rcf.getClassBuilderFactory().getTraitProxyBuilder();
        proxyBuilder.init( tdef, rcf.getBaseTraitProxyClass(), ruleBase.getTraitRegistry() );
        try {
            byte[] proxy = proxyBuilder.buildClass( cdef );
            ruleBase.registerAndLoadTypeDefinition( proxyName, proxy );
        } catch (Exception e) {
            e.printStackTrace();
        }

        try {
            long mask = ruleBase.getTraitRegistry().getFieldMask( trait.getName(), cdef.getDefinedClass().getName() );
            Class<T> proxyClass = (Class<T>) ruleBase.getRootClassLoader().loadClass( proxyName, true );
            bindAccessors( proxyClass, tdef, cdef, mask );
            Class<T> wrapperClass = (Class<T>) ruleBase.getRootClassLoader().loadClass( wrapperName, true );
            bindCoreAccessors( wrapperClass, cdef );
            return proxyClass;
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        ClassFieldAccessorStore store = traitPackage.getClassFieldAccessorStore();

        String className = coreKlazz.getName() + "Wrapper";
        String superClass = coreKlazz.getName();
        String[] interfaces = new String[] {CoreWrapper.class.getName()};
        ClassDefinition def = new ClassDefinition( className, superClass, interfaces );
        def.setTraitable(true);
        def.setDefinedClass( wrapperClass );

        Map<String, Field> fields = inspector.getFieldTypesField();
        for ( Field f : fields.values() ) {
            if ( f != null ) {
                FieldDefinition fld = new FieldDefinition();
                fld.setName( f.getName() );
                fld.setTypeName( f.getType().getName() );
                fld.setInherited( true );
                ClassFieldAccessor accessor = store.getAccessor( def.getDefinedClass().getName(),
                        fld.getName() );
                fld.setReadWriteAccessor( accessor );

                def.addField( fld );
            }
        }


        return def;
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Related Classes of org.drools.core.factmodel.ClassDefinition

  • org.drools.compiler.builder.impl.ClassDefinitionFactory
  • org.drools.compiler.builder.impl.ClassHierarchyManager
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationCache
  • org.drools.compiler.builder.impl.TypeDeclarationConfigurator
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.rule.builder.dialect.DialectUtil
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.core.base.DefaultKnowledgeHelper
  • org.drools.core.common.AbstractRuleBase
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