public void arcDeleted(Object nodeId, Object targetNodeId, Object arcId) {
ObjEntity entity = resolver.getObjEntity(((ObjectId) nodeId).getEntityName());
ObjRelationship relationship = (ObjRelationship) entity.getRelationship(arcId.toString());
if (relationship.isSourceIndependentFromTargetChange()) {
// do not record temporary id mods...
if (!((ObjectId) nodeId).isTemporary()) {
indirectModifications.add(nodeId);
}
if (relationship.isFlattened()) {
if (relationship.isReadOnly()) {
throw new CayenneRuntimeException(
"Cannot unset the read-only flattened relationship " + relationship.getName());
}
// Register this combination (so we can remove it later if an insert
// occurs before commit)
FlattenedArcKey key =
new FlattenedArcKey((ObjectId) nodeId, (ObjectId) targetNodeId, relationship);
// If this combination has already been inserted, simply "uninsert" it
// also do not delete it twice
if (!flattenedInserts.remove(key)) {
flattenedDeletes.add(key);
}
}
}
}
/**
* Simule la présence d'une valeur.
*
* <p>Seules les relations toOne sont supportées.
*
* @param property La propriété à simuler.
*/
public void fake(String property) {
// Test de la propriété
ObjEntity ent = objEntity();
ObjRelationship rel = (ObjRelationship) ent.getRelationship(property);
if (rel == null) {
throw new IllegalArgumentException("Pas de relation " + ent.getName() + "." + property);
}
if (rel.isToMany()) {
throw new IllegalArgumentException(
"La relation " + ent.getName() + "." + property + " n'est pas un toOne");
}
ObjEntity targetEntity = (ObjEntity) rel.getTargetEntity();
// Ok, ajout.
fakes.put(property, targetEntity.getJavaClass());
}
/** Creates an accessor to read a map key for a given relationship. */
protected Accessor createMapKeyAccessor(
ObjRelationship relationship, ClassDescriptor targetDescriptor) {
String mapKey = relationship.getMapKey();
if (mapKey != null) {
return new PropertyAccessor(targetDescriptor.getProperty(mapKey));
}
return IdMapKeyAccessor.SHARED_ACCESSOR;
}
public void testForeignKey() throws Exception {
dropTableIfPresent("NEW_TABLE");
dropTableIfPresent("NEW_TABLE2");
assertTokensAndExecute(0, 0);
DbEntity dbEntity1 = new DbEntity("NEW_TABLE");
DbAttribute e1col1 = new DbAttribute("ID", Types.INTEGER, dbEntity1);
e1col1.setMandatory(true);
e1col1.setPrimaryKey(true);
dbEntity1.addAttribute(e1col1);
DbAttribute e1col2 = new DbAttribute("NAME", Types.VARCHAR, dbEntity1);
e1col2.setMaxLength(10);
e1col2.setMandatory(false);
dbEntity1.addAttribute(e1col2);
map.addDbEntity(dbEntity1);
DbEntity dbEntity2 = new DbEntity("NEW_TABLE2");
DbAttribute e2col1 = new DbAttribute("ID", Types.INTEGER, dbEntity2);
e2col1.setMandatory(true);
e2col1.setPrimaryKey(true);
dbEntity2.addAttribute(e2col1);
DbAttribute e2col2 = new DbAttribute("FK", Types.INTEGER, dbEntity2);
dbEntity2.addAttribute(e2col2);
DbAttribute e2col3 = new DbAttribute("NAME", Types.VARCHAR, dbEntity2);
e2col3.setMaxLength(10);
dbEntity2.addAttribute(e2col3);
map.addDbEntity(dbEntity2);
// create db relationships
DbRelationship rel1To2 = new DbRelationship("rel1To2");
rel1To2.setSourceEntity(dbEntity1);
rel1To2.setTargetEntity(dbEntity2);
rel1To2.setToMany(true);
rel1To2.addJoin(new DbJoin(rel1To2, e1col1.getName(), e2col2.getName()));
dbEntity1.addRelationship(rel1To2);
DbRelationship rel2To1 = new DbRelationship("rel2To1");
rel2To1.setSourceEntity(dbEntity2);
rel2To1.setTargetEntity(dbEntity1);
rel2To1.setToMany(false);
rel2To1.addJoin(new DbJoin(rel2To1, e2col2.getName(), e1col1.getName()));
dbEntity2.addRelationship(rel2To1);
assertSame(rel1To2, rel2To1.getReverseRelationship());
assertSame(rel2To1, rel1To2.getReverseRelationship());
assertTokensAndExecute(4, 0);
assertTokensAndExecute(0, 0);
// create ObjEntities
ObjEntity objEntity1 = new ObjEntity("NewTable");
objEntity1.setDbEntity(dbEntity1);
ObjAttribute oatr1 = new ObjAttribute("name");
oatr1.setDbAttributePath(e1col2.getName());
oatr1.setType("java.lang.String");
objEntity1.addAttribute(oatr1);
map.addObjEntity(objEntity1);
ObjEntity objEntity2 = new ObjEntity("NewTable2");
objEntity2.setDbEntity(dbEntity2);
ObjAttribute o2a1 = new ObjAttribute("name");
o2a1.setDbAttributePath(e2col3.getName());
o2a1.setType("java.lang.String");
objEntity2.addAttribute(o2a1);
map.addObjEntity(objEntity2);
// create ObjRelationships
assertEquals(0, objEntity1.getRelationships().size());
assertEquals(0, objEntity2.getRelationships().size());
ObjRelationship objRel1To2 = new ObjRelationship("objRel1To2");
objRel1To2.addDbRelationship(rel1To2);
objRel1To2.setSourceEntity(objEntity1);
objRel1To2.setTargetEntity(objEntity2);
objEntity1.addRelationship(objRel1To2);
ObjRelationship objRel2To1 = new ObjRelationship("objRel2To1");
objRel2To1.addDbRelationship(rel2To1);
objRel2To1.setSourceEntity(objEntity2);
objRel2To1.setTargetEntity(objEntity1);
objEntity2.addRelationship(objRel2To1);
assertEquals(1, objEntity1.getRelationships().size());
assertEquals(1, objEntity2.getRelationships().size());
assertSame(objRel1To2, objRel2To1.getReverseRelationship());
assertSame(objRel2To1, objRel1To2.getReverseRelationship());
// remove relationship and fk from model, merge to db and read to model
dbEntity2.removeRelationship(rel2To1.getName());
dbEntity1.removeRelationship(rel1To2.getName());
dbEntity2.removeAttribute(e2col2.getName());
List<MergerToken> tokens = createMergeTokens();
assertTokens(tokens, 2, 1);
for (MergerToken token : tokens) {
if (token.getDirection().isToDb()) {
execute(token);
}
}
assertTokensAndExecute(0, 0);
dbEntity2.addRelationship(rel2To1);
dbEntity1.addRelationship(rel1To2);
dbEntity2.addAttribute(e2col2);
// try do use the merger to remove the relationship in the model
tokens = createMergeTokens();
assertTokens(tokens, 2, 0);
// TODO: reversing the following two tokens should also reverse the order
MergerToken token0 = tokens.get(0).createReverse(mergerFactory());
MergerToken token1 = tokens.get(1).createReverse(mergerFactory());
if (!(token0 instanceof DropRelationshipToModel && token1 instanceof DropColumnToModel
|| token1 instanceof DropRelationshipToModel && token0 instanceof DropColumnToModel)) {
fail();
}
execute(token0);
execute(token1);
// check after merging
assertNull(dbEntity2.getAttribute(e2col2.getName()));
assertEquals(0, dbEntity1.getRelationships().size());
assertEquals(0, dbEntity2.getRelationships().size());
assertEquals(0, objEntity1.getRelationships().size());
assertEquals(0, objEntity2.getRelationships().size());
// clear up
dbEntity1.removeRelationship(rel1To2.getName());
dbEntity2.removeRelationship(rel2To1.getName());
map.removeObjEntity(objEntity1.getName(), true);
map.removeDbEntity(dbEntity1.getName(), true);
map.removeObjEntity(objEntity2.getName(), true);
map.removeDbEntity(dbEntity2.getName(), true);
resolver.refreshMappingCache();
assertNull(map.getObjEntity(objEntity1.getName()));
assertNull(map.getDbEntity(dbEntity1.getName()));
assertNull(map.getObjEntity(objEntity2.getName()));
assertNull(map.getDbEntity(dbEntity2.getName()));
assertFalse(map.getDbEntities().contains(dbEntity1));
assertFalse(map.getDbEntities().contains(dbEntity2));
assertTokensAndExecute(2, 0);
assertTokensAndExecute(0, 0);
}
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 (collectionType.equals("java.util.Map")) {
createToManyMapProperty(descriptor, relationship);
} else if (collectionType.equals("java.util.Set")) {
createToManySetProperty(descriptor, relationship);
} else if (collectionType.equals("java.util.Collection")) {
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;
}
