Examples with ObjAttribute org.apache.cayenne.map.ObjAttribute used on opensource projects

Example 31 with ObjAttribute

use of org.apache.cayenne.map.ObjAttribute in project cayenne by apache.

the class PersistentDescriptorFactory method getDescriptor.

protected ClassDescriptor getDescriptor(ObjEntity entity, Class<?> entityClass) {
    String superEntityName = entity.getSuperEntityName();
    ClassDescriptor superDescriptor = (superEntityName != null) ? descriptorMap.getDescriptor(superEntityName) : null;
    PersistentDescriptor descriptor = createDescriptor();
    descriptor.setEntity(entity);
    descriptor.setSuperclassDescriptor(superDescriptor);
    descriptor.setObjectClass(entityClass);
    descriptor.setPersistenceStateAccessor(new BeanAccessor(entityClass, "persistenceState", Integer.TYPE));
    // only include this entity attributes and skip superclasses...
    for (ObjAttribute attribute : descriptor.getEntity().getDeclaredAttributes()) {
        if (attribute instanceof EmbeddedAttribute) {
            EmbeddedAttribute embedded = (EmbeddedAttribute) attribute;
            for (ObjAttribute objAttribute : embedded.getAttributes()) {
                createEmbeddedAttributeProperty(descriptor, embedded, objAttribute);
            }
        } else {
            createAttributeProperty(descriptor, attribute);
        }
    }
    // only include this entity relationships and skip superclasses...
    for (ObjRelationship relationship : descriptor.getEntity().getDeclaredRelationships()) {
        if (relationship.isToMany()) {
            String collectionType = relationship.getCollectionType();
            if (collectionType == null || ObjRelationship.DEFAULT_COLLECTION_TYPE.equals(collectionType)) {
                createToManyListProperty(descriptor, relationship);
            } else if ("java.util.Map".equals(collectionType)) {
                createToManyMapProperty(descriptor, relationship);
            } else if ("java.util.Set".equals(collectionType)) {
                createToManySetProperty(descriptor, relationship);
            } else if ("java.util.Collection".equals(collectionType)) {
                createToManyCollectionProperty(descriptor, relationship);
            } else {
                throw new IllegalArgumentException("Unsupported to-many collection type: " + collectionType);
            }
        } else {
            createToOneProperty(descriptor, relationship);
        }
    }
    EntityInheritanceTree inheritanceTree = descriptorMap.getResolver().getInheritanceTree(descriptor.getEntity().getName());
    descriptor.setEntityInheritanceTree(inheritanceTree);
    indexSubclassDescriptors(descriptor, inheritanceTree);
    indexQualifiers(descriptor, inheritanceTree);
    appendDeclaredRootDbEntity(descriptor, descriptor.getEntity());
    indexRootDbEntities(descriptor, inheritanceTree);
    indexSuperclassProperties(descriptor);
    descriptor.sortProperties();
    return descriptor;
}

Example 32 with ObjAttribute

use of org.apache.cayenne.map.ObjAttribute in project cayenne by apache.

the class PersistentDescriptorResultMetadata method addObjectField.

/**
 * Adds a result set column mapping for a single object property of a
 * specified entity that may differ from the root entity if inheritance is
 * involved.
 */
void addObjectField(String entityName, String attributeName, String column) {
    ObjEntity entity = classDescriptor.getEntity().getDataMap().getObjEntity(entityName);
    ObjAttribute attribute = entity.getAttribute(attributeName);
    fields.put(attribute.getDbAttributePath(), column);
    reverseFields.put(column, attribute.getDbAttributePath());
}

Example 33 with ObjAttribute

use of org.apache.cayenne.map.ObjAttribute in project cayenne by apache.

the class DbAttributePathComboBoxEditor method createTreeModelForComboBox.

@Override
protected EntityTreeModel createTreeModelForComboBox(int attributeIndexInTable) {
    ObjAttribute attribute = model.getAttribute(attributeIndexInTable).getValue();
    Entity firstEntity = null;
    if (attribute.getDbAttribute() == null) {
        if (attribute.getParent() instanceof ObjEntity) {
            DbEntity dbEnt = ((ObjEntity) attribute.getParent()).getDbEntity();
            if (dbEnt != null) {
                Collection<DbAttribute> attributes = dbEnt.getAttributes();
                Collection<DbRelationship> rel = dbEnt.getRelationships();
                if (!attributes.isEmpty()) {
                    Iterator<DbAttribute> iterator = attributes.iterator();
                    firstEntity = iterator.next().getEntity();
                } else if (!rel.isEmpty()) {
                    Iterator<DbRelationship> iterator = rel.iterator();
                    firstEntity = iterator.next().getSourceEntity();
                }
            }
        }
    } else {
        firstEntity = getFirstEntity(attribute);
    }
    if (firstEntity != null) {
        EntityTreeModel treeModel = new EntityTreeModel(firstEntity);
        treeModel.setFilter(new EntityTreeAttributeRelationshipFilter());
        return treeModel;
    }
    return null;
}

Example 34 with ObjAttribute

use of org.apache.cayenne.map.ObjAttribute in project cayenne by apache.

the class ProjectUtil method findObjAttributesForDbRelationship.

public static Collection<ObjAttribute> findObjAttributesForDbRelationship(ProjectController mediator, DbRelationship relationship) {
    DataChannelDescriptor domain = (DataChannelDescriptor) mediator.getProject().getRootNode();
    List<ObjAttribute> attributes = new ArrayList<>();
    String[] dbAttrPathByDot;
    if (domain != null) {
        for (DataMap map : domain.getDataMaps()) {
            for (ObjEntity entity : map.getObjEntities()) {
                for (ObjAttribute objAttribute : entity.getAttributes()) {
                    if (objAttribute.getDbAttributePath() != null) {
                        dbAttrPathByDot = objAttribute.getDbAttributePath().split(Pattern.quote("."));
                        for (String partOfPath : dbAttrPathByDot) {
                            if (partOfPath.equals(relationship.getName())) {
                                attributes.add(objAttribute);
                            }
                        }
                    }
                }
            }
        }
    }
    return attributes;
}

Example 35 with ObjAttribute

use of org.apache.cayenne.map.ObjAttribute in project cayenne by apache.

the class EOModelProcessorTest method testLoadModelWithDependencies.

@Test
public void testLoadModelWithDependencies() throws Exception {
    URL url = getClass().getClassLoader().getResource("wotests/cross-model-relationships.eomodeld/");
    assertNotNull(url);
    DataMap map = processor.loadEOModel(url);
    ObjEntity entity = map.getObjEntity("CrossModelRelTest");
    assertNotNull(entity);
    ObjAttribute a1 = entity.getAttribute("testAttribute");
    assertNotNull(a1);
    DbAttribute da1 = a1.getDbAttribute();
    assertNotNull(da1);
    assertSame(da1, entity.getDbEntity().getAttribute("TEST_ATTRIBUTE"));
    // for now cross model relationships are simply ignored
    // eventually we must handle those...
    assertEquals(0, entity.getRelationships().size());
    assertEquals(0, entity.getDbEntity().getRelationships().size());
}