Package org.apache.cayenne.reflect

Examples of org.apache.cayenne.reflect.Property


        // resolve relationship fault
        if (lazyFaulting && property != null) {
            ClassDescriptor classDescriptor = getEntityResolver().getClassDescriptor(
                    object.getObjectId().getEntityName());
            Property propertyDescriptor = classDescriptor.getProperty(property);

            // If we don't have a property descriptor, there's not much we can do.
            // Let the caller know that the specified property could not be found and list
            // all of the properties that could be so the caller knows what can be used.
            if (propertyDescriptor == null) {
                final StringBuilder errorMessage = new StringBuilder();

                errorMessage.append(String.format(
                        "Property '%s' is not declared for entity '%s'.",
                        property,
                        object.getObjectId().getEntityName()));

                errorMessage.append(" Declared properties are: ");

                // Grab each of the declared properties.
                final List<String> properties = new ArrayList<String>();
                classDescriptor.visitProperties(new PropertyVisitor() {

                    public boolean visitAttribute(final AttributeProperty property) {
                        properties.add(property.getName());

                        return true;
                    }

                    public boolean visitToOne(final ToOneProperty property) {
                        properties.add(property.getName());

                        return true;
                    }

                    public boolean visitToMany(final ToManyProperty property) {
                        properties.add(property.getName());

                        return true;
                    }
                });

                // Now add the declared property names to the error message.
                boolean first = true;
                for (String declaredProperty : properties) {
                    if (first) {
                        errorMessage.append(String.format("'%s'", declaredProperty));

                        first = false;
                    }
                    else {
                        errorMessage.append(String.format(", '%s'", declaredProperty));
                    }
                }

                errorMessage.append(".");

                throw new CayenneRuntimeException(errorMessage.toString());
            }

            // this should trigger fault resolving
            propertyDescriptor.readProperty(object);
        }
    }
View Full Code Here


            return;
        }

        ClassDescriptor descriptor = context.getEntityResolver().getClassDescriptor(
                ((ObjectId) nodeId).getEntityName());
        Property property = descriptor.getProperty(arcId.toString());

        setExternalChange(Boolean.TRUE);
        try {
            property.visit(new PropertyVisitor() {

                public boolean visitAttribute(AttributeProperty property) {
                    return false;
                }

                public boolean visitToMany(ToManyProperty property) {
                    // connect reverse arc if the relationship is marked as "runtime"
                    ArcProperty reverseArc = property.getComplimentaryReverseArc();
                    boolean autoConnectReverse = reverseArc != null
                            && reverseArc.getRelationship().isRuntime();

                    Persistent target = findObject(targetNodeId);

                    if (target == null) {

                        // this is usually the case when a NEW object was deleted and then
                        // its
                        // relationships were manipulated; so try to locate the object in
                        // the
                        // collection ...
                        // the performance of this is rather dubious of course...
                        target = findObjectInCollection(targetNodeId, property
                                .readProperty(source));
                    }

                    if (target == null) {
                        // ignore?
                    }
                    else {
                        property.removeTarget(source, target, autoConnectReverse);
                    }

                    return false;
                }

                public boolean visitToOne(ToOneProperty property) {
                    property.setTarget(source, null, false);
                    return false;
                }
            });
        }
        finally {
View Full Code Here

        ObjRelationship relationship = (ObjRelationship) sourceEntity
                .getRelationship(relationshipName);
        ObjRelationship reverse = relationship.getReverseRelationship();

        if (reverse != null && !reverse.isToMany()) {
            Property property = resolver.getClassDescriptor(
                    reverse.getSourceEntity().getName()).getProperty(reverse.getName());

            Iterator it = resolved.iterator();
            while (it.hasNext()) {
                property.writePropertyDirectly(it.next(), null, relationshipOwner);
            }
        }

        return resolved;
    }
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                for (int i = 1; i < path.getChildrenCount(); i++) {

                    String pathChunk = path.getChild(i).getText();
                    buffer.append('.').append(pathChunk);

                    Property property = descriptor.getProperty(pathChunk);
                    if (property instanceof ArcProperty) {
                        ObjRelationship incoming = ((ArcProperty) property)
                                .getRelationship();
                        descriptor = ((ArcProperty) property).getTargetDescriptor();
                        String pathString = buffer.substring(0, buffer.length());
View Full Code Here

            return true;
        }

        @Override
        public boolean visitIdentificationVariable(EJBQLExpression expression) {
            Property property = descriptor.getProperty(expression.getText());
            if (property instanceof ArcProperty) {
                incoming = ((ArcProperty) property).getRelationship();
                descriptor = ((ArcProperty) property).getTargetDescriptor();
            }
            else {
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        if (descriptor == null) {
            throw new IllegalStateException("DataObject's entity is unmapped, objectId: "
                    + objectId);
        }

        Property property = descriptor.getProperty(relationshipName);
        if (property instanceof ToManyMapProperty) {
            return ((ToManyMapProperty) property).getMapKey(value);
        }

        throw new IllegalArgumentException("Relationship '"
View Full Code Here

    }

    private static final Object readSimpleProperty(Object o, String propertyName) {
        if (o instanceof Persistent) {

            Property property = getProperty((Persistent) o, propertyName);

            if (property != null) {
                return property.readProperty(o);
            }
        }

        // handling non-persistent property
        return PropertyUtils.getProperty(o, propertyName);
View Full Code Here

        // resolve relationship fault
        if (lazyFaulting && property != null) {
            ClassDescriptor classDescriptor = getEntityResolver().getClassDescriptor(
                    object.getObjectId().getEntityName());
            Property propertyDescriptor = classDescriptor.getProperty(property);

            // If we don't have a property descriptor, there's not much we can do.
            // Let the caller know that the specified property could not be found and list
            // all of the properties that could be so the caller knows what can be used.
            if (propertyDescriptor == null) {
                final StringBuilder errorMessage = new StringBuilder();

                errorMessage.append(String.format(
                        "Property '%s' is not declared for entity '%s'.",
                        property,
                        object.getObjectId().getEntityName()));

                errorMessage.append(" Declared properties are: ");

                // Grab each of the declared properties.
                final List<String> properties = new ArrayList<String>();
                classDescriptor.visitProperties(new PropertyVisitor() {

                    public boolean visitAttribute(final AttributeProperty property) {
                        properties.add(property.getName());

                        return true;
                    }

                    public boolean visitToOne(final ToOneProperty property) {
                        properties.add(property.getName());

                        return true;
                    }

                    public boolean visitToMany(final ToManyProperty property) {
                        properties.add(property.getName());

                        return true;
                    }
                });

                // Now add the declared property names to the error message.
                boolean first = true;
                for (String declaredProperty : properties) {
                    if (first) {
                        errorMessage.append(String.format("'%s'", declaredProperty));

                        first = false;
                    }
                    else {
                        errorMessage.append(String.format(", '%s'", declaredProperty));
                    }
                }

                errorMessage.append(".");

                throw new CayenneRuntimeException(errorMessage.toString());
            }

            // this should trigger fault resolving
            propertyDescriptor.readProperty(object);
        }
    }
View Full Code Here

                if (descriptor == null) {
                    throw new EJBQLException("Unmapped id variable: " + id);
                }
                String pathChunk = translator.lastPathComponent;

                Property property = descriptor.getProperty(pathChunk);
                if (property instanceof AttributeProperty) {
                    String atrType = ((AttributeProperty) property)
                            .getAttribute()
                            .getType();
View Full Code Here

            return;
        }

        ClassDescriptor descriptor = context.getEntityResolver().getClassDescriptor(
                ((ObjectId) nodeId).getEntityName());
        Property property = descriptor.getProperty(arcId.toString());

        setExternalChange(Boolean.TRUE);
        try {
            property.visit(new PropertyVisitor() {

                public boolean visitAttribute(AttributeProperty property) {
                    return false;
                }

                public boolean visitToMany(ToManyProperty property) {
                    // connect reverse arc if the relationship is marked as "runtime"
                    ArcProperty reverseArc = property.getComplimentaryReverseArc();
                    boolean autoConnectReverse = reverseArc != null
                            && reverseArc.getRelationship().isRuntime();

                    Persistent target = findObject(targetNodeId);

                    if (target == null) {

                        // this is usually the case when a NEW object was deleted and then
                        // its
                        // relationships were manipulated; so try to locate the object in
                        // the
                        // collection ...
                        // the performance of this is rather dubious of course...
                        target = findObjectInCollection(targetNodeId, property
                                .readProperty(source));
                    }

                    if (target == null) {
                        // ignore?
                    }
                    else {
                        property.removeTarget(source, target, autoConnectReverse);
                    }

                    return false;
                }

                public boolean visitToOne(ToOneProperty property) {
                    property.setTarget(source, null, false);
                    return false;
                }
            });
        }
        finally {
View Full Code Here

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