Package org.drools.factmodel

Examples of org.drools.factmodel.FieldDefinition

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    private void bindAccessors( Class<T> proxyClass, ClassDefinition tdef, ClassDefinition cdef, long mask ) {
        int j = 0;
        for ( FieldDefinition traitField : tdef.getFieldsDefinitions() ) {
            boolean isSoftField = TraitRegistry.isSoftField( traitField, j++, mask );
            if ( ! isSoftField ) {
                FieldDefinition field = cdef.getField(traitField.getName());
                Field staticField;
                try {
                    staticField = proxyClass.getField(field.getName() + "_reader");
                    staticField.set(null, field.getFieldAccessor().getReadAccessor() );

                    staticField = proxyClass.getField(field.getName() + "_writer");
                    staticField.set(null, field.getFieldAccessor().getWriteAccessor() );
                } catch (NoSuchFieldException e) {
                    e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
                } catch (IllegalAccessException e) {
                    e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
                }
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        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 );
            }
        }
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        }

        int j = 0;
        long bitmask = 0;
        for ( FactField field : traitDef.getFields() ) {
            FieldDefinition concreteField = traitableDef.getField( field.getName() );
            Class concreteType = concreteField != null ? concreteField.getType() : null;
            Class virtualType = field.getType();

            if ( concreteType != null
                    && concreteType.isAssignableFrom( virtualType ) ) {
                bitmask |= 1 << j;
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                                                   new String[]{Serializable.class.getName()} );
        Map<String, TypeFieldDescr> flds = typeDescr.getFields();
        try {
            for ( TypeFieldDescr field : flds.values() ) {
                String fullFieldType = pkgRegistry.getTypeResolver().resolveType( field.getPattern().getObjectType() ).getName();
                FieldDefinition fieldDef = new FieldDefinition( field.getFieldName(),
                                                                fullFieldType );
                // field is marked as PK
                boolean isKey = field.getMetaAttributes().containsKey( "key" );
                fieldDef.setKey( isKey );
                def.addField( fieldDef );
            }

            byte[] d = cb.buildClass( def );
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            mv.visitInsn( DUP );
            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( TraitFieldTMSImpl.class ), "<init>", "()V" );
            mv.visitFieldInsn( PUTFIELD, BuildUtils.getInternalType( wrapperName ), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor( TraitFieldTMS.class ) );

            for ( FactField hardField : coreDef.getFields() ) {
                FieldDefinition fld = (FieldDefinition) hardField;
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapperName ), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor( TraitFieldTMS.class ) );

                mv.visitLdcInsn( Type.getType( Type.getDescriptor( coreDef.getDefinedClass() ) ) );

                mv.visitLdcInsn( fld.resolveAlias() );

                if ( BuildUtils.isPrimitive( fld.getTypeName() ) ) {
//                    mv.visitFieldInsn( GETSTATIC, BuildUtils.getInternalType( BuildUtils.box( fld.getTypeName() ) ), "TYPE", Type.getDescriptor( Class.class ) );
                    mv.visitLdcInsn( Type.getType( BuildUtils.getTypeDescriptor( BuildUtils.box( fld.getTypeName() ) ) ) );
                } else {
                    mv.visitLdcInsn( Type.getType( BuildUtils.getTypeDescriptor( fld.getTypeName() ) ) );
                }

                mv.visitVarInsn( ALOAD, 0 );
                mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapperName ), "core", Type.getDescriptor( coreDef.getDefinedClass() ) );
                mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( coreDef.getDefinedClass() ), BuildUtils.getterName( fld.getName(), fld.getTypeName() ), "()" + BuildUtils.getTypeDescriptor( fld.getTypeName() ) );
                if ( BuildUtils.isPrimitive( fld.getTypeName() ) ) {
                    mv.visitMethodInsn( INVOKESTATIC, BuildUtils.getInternalType( BuildUtils.box( fld.getTypeName() ) ), "valueOf", "(" + BuildUtils.getTypeDescriptor( fld.getTypeName() ) + ")" + BuildUtils.getTypeDescriptor( BuildUtils.box( fld.getTypeName() ) ) );
                }

                if ( fld.getInitExpr() != null ) {
                    mv.visitLdcInsn( fld.getInitExpr() );
                } else {
                    mv.visitInsn( ACONST_NULL );
                }

                mv.visitMethodInsn( INVOKEINTERFACE,
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                "()"+ BuildUtils.getTypeDescriptor( fieldType ) );
    }


    public static void invokeExtractor( MethodVisitor mv, String masterName, ClassDefinition trait, ClassDefinition core, FieldDefinition field ) {
        FieldDefinition tgtField = core.getFieldByAlias( field.resolveAlias() );
        String fieldType = tgtField.getTypeName();
        String fieldName = tgtField.getName();
        String returnType = BuildUtils.getTypeDescriptor( fieldType );

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn( GETFIELD,
                BuildUtils.getInternalType( masterName ),
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    }


    public static void invokeInjector( MethodVisitor mv, String masterName, ClassDefinition trait, ClassDefinition core, FieldDefinition field, boolean toNull, int pointer ) {
        FieldDefinition tgtField = core.getFieldByAlias( field.resolveAlias() );
        String fieldType = tgtField.getTypeName();
        String fieldName = tgtField.getName();
        String returnType = BuildUtils.getTypeDescriptor( fieldType );


        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn( GETFIELD,
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            mv.visitCode();

            if ( core.isFullTraiting() ) {
                Iterator<FieldDefinition> iter = trait.getFieldsDefinitions().iterator();
                for ( int j = 0; j < trait.getFieldsDefinitions().size(); j++ ) {
                    FieldDefinition fld = iter.next();
                    boolean hardField = ! TraitRegistry.isSoftField( fld, j, mask );
                    shedField( mv, fld, internalProxy, trait, core, hardField, j + 2 );
                }
            }
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        mv.visitCode();


        if ( core.isFullTraiting() ) {
            // The trait field update will be done by the core setter. However, types may mismatch here
            FieldDefinition hardField = core.getFieldByAlias( field.resolveAlias() );
            if ( ! field.getType().isPrimitive() && ! field.getTypeName().equals( hardField.getTypeName() ) ) {
                boolean isCoreTrait = hardField.getType().getAnnotation( Trait.class ) != null;
                boolean isTraitTrait = field.getType().getAnnotation( Trait.class ) != null;

                Label l0 = new Label();
                mv.visitVarInsn( ALOAD, 1 );
                mv.visitJumpInsn( IFNULL, l0 );
                if ( isCoreTrait && ! isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( ! isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[]{ } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[] {} ) );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else {
                    // handled by normal inheritance, exceptions should have been thrown
                    if ( ! hardField.getType().isAssignableFrom( field.getType() ) ) {
                        mv.visitInsn( RETURN );
                    }
                }
                Label l1 = new Label();
                mv.visitJumpInsn(GOTO, l1);

                mv.visitLabel( l0 );
                    mv.visitInsn( ACONST_NULL );
                    mv.visitVarInsn( ASTORE, 1 );
                mv.visitLabel( l1 );
            } else if ( field.getType().isPrimitive() ) {
                if ( ! hardField.getType().equals( field.getType() ) ) {
                    mv.visitInsn( RETURN );
                }
            }
        }
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            MethodVisitor mv = cw.visitMethod( ACC_PRIVATE, "synchFields", Type.getMethodDescriptor( Type.VOID_TYPE, new Type[] { Type.BOOLEAN_TYPE } ), null, null );
            mv.visitCode();
            if ( core.isFullTraiting() ) {
                Iterator<FieldDefinition> iter = trait.getFieldsDefinitions().iterator();
                for ( int j = 0; j < trait.getFieldsDefinitions().size(); j++ ) {
                    FieldDefinition fld = iter.next();
                    boolean hardField = ! TraitRegistry.isSoftField( fld, j, mask );
                    synchFieldLogical( mv, fld, proxyName, trait, core, hardField, j + 3 );
                }
            } else {
                for ( FieldDefinition fld : trait.getFieldsDefinitions() ) {
                    if ( fld.getInitExpr() != null ) {
                        synchField( mv, fld, proxyName );
                    }
                }
            }
            mv.visitInsn( RETURN );
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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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