@Override
public Tuple getTuple(EntityKey key, TupleContext tupleContext) {
EntityDocument entity = getDataStore().getEntity(Identifier.createEntityId(key));
if (entity != null) {
return new Tuple(new CouchDBTupleSnapshot(entity.getProperties()));
}
return null;
}
@Override
public void removeAssociation(AssociationKey key, AssociationContext associationContext) {
if (isStoredInEntityStructure(key, associationContext)) {
EntityDocument owningEntity =
getDataStore().getEntity(Identifier.createEntityId(key.getEntityKey()));
if (owningEntity != null) {
owningEntity.removeAssociation(key.getCollectionRole());
getDataStore().saveDocument(owningEntity);
}
} else {
removeDocumentIfPresent(Identifier.createAssociationId(key));
}
}
@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
CouchDBAssociation couchDBAssociation = null;
if (isStoredInEntityStructure(key, associationContext)) {
EntityDocument owningEntity =
getDataStore().getEntity(Identifier.createEntityId(key.getEntityKey()));
if (owningEntity != null
&& owningEntity.getProperties().containsKey(key.getCollectionRole())) {
couchDBAssociation =
CouchDBAssociation.fromEmbeddedAssociation(owningEntity, key.getCollectionRole());
}
} else {
AssociationDocument association =
getDataStore().getAssociation(Identifier.createAssociationId(key));
if (association != null) {
couchDBAssociation = CouchDBAssociation.fromAssociationDocument(association);
}
}
return couchDBAssociation != null
? new Association(new CouchDBAssociationSnapshot(couchDBAssociation, key))
: null;
}