class DataStoreService(BaseDatastoreService):
"""
The Data Store Service manages the persistence of Structured Objects (i.e. the "Business Objects") in the
ION system, and the definition of Structured Object types. It makes use of DM Preservation services and
components to persist the actual information on disk or in the network.
"""
def on_init(self):
datastore_name = sys_name + "_scratch"
datastore_name = datastore_name.lower()
persistent = False
force_clean = False
if 'datastore' in self.CFG:
datastore_cfg = self.CFG['datastore']
if 'persistent' in datastore_cfg:
if datastore_cfg['persistent'] == True:
persistent = True
if 'force_clean' in datastore_cfg:
if datastore_cfg['force_clean'] == True:
force_clean = True
if persistent:
self.datastore = CouchDB_DataStore(datastore_name=datastore_name)
else:
self.datastore = MockDB_DataStore(datastore_name=datastore_name)
if force_clean:
try:
self.datastore.delete_datastore(datastore_name)
except NotFound:
pass
if not self.datastore_exists(datastore_name):
self.datastore.create_datastore(datastore_name)
# For easier interactive debugging
self.dss = self.datastore.server[datastore_name] if persistent else None
self.ds = self.datastore
def create_datastore(self, datastore_name=''):
return self.datastore.create_datastore(datastore_name)
def delete_datastore(self, datastore_name=''):
return self.datastore.delete_datastore(datastore_name)
def list_datastores(self):
return self.datastore.list_datastores()
def info_datastore(self, datastore_name=''):
return self.datastore.info_datastore(datastore_name)
def datastore_exists(self, datastore_name=''):
return self.datastore.datastore_exists(datastore_name)
def list_objects(self, datastore_name=''):
return self.datastore.list_objects(datastore_name)
def list_object_revisions(self, object_id='', datastore_name=''):
return self.datastore.list_object_revisions(object_id, datastore_name)
def create(self, object={}, object_id='', datastore_name=''):
return self.datastore.create(object, object_id=object_id, datastore_name=datastore_name)
def create_doc(self, object={}, object_id='', datastore_name=''):
return self.datastore.create_doc(object, object_id=object_id, datastore_name=datastore_name)
def read(self, object_id='', rev_id='', datastore_name=''):
return self.datastore.read(object_id, rev_id, datastore_name)
def read_doc(self, object_id='', rev_id='', datastore_name=''):
return self.datastore.read_doc(object_id, rev_id, datastore_name)
def update(self, object={}, datastore_name=''):
return self.datastore.update(object, datastore_name)
def update_doc(self, object={}, datastore_name=''):
return self.datastore.update_doc(object, datastore_name)
def delete(self, object={}, datastore_name=''):
return self.datastore.delete_doc(object, datastore_name)
def delete_doc(self, object={}, datastore_name=''):
return self.datastore.delete_doc(object, datastore_name)
def find(self, criteria=[], datastore_name=''):
return self.datastore.find(criteria, datastore_name)
def find_doc(self, criteria=[], datastore_name=''):
return self.datastore.find_doc(criteria, datastore_name)
def find_by_idref(self, criteria=[], association="", datastore_name=""):
return self.datastore.find_by_idref(criteria, association, datastore_name)
def find_by_idref_doc(self, criteria=[], association="", datastore_name=""):
return self.datastore.find_by_idref_doc(criteria, association, datastore_name)
def resolve_idref(self, subject="", predicate="", object="", datastore_name=""):
return self.datastore.resolve_idref(subject, predicate, object, datastore_name)
def resolve_idref_doc(self, subject="", predicate="", object="", datastore_name=""):
return self.datastore.resolve_idref_doc(subject, predicate, object, datastore_name)
def create_association(self, subject=None, predicate=None, object=None, assoc_type=None):
return self.datastore.create_association(subject, predicate, object, assoc_type)
def delete_association(self, association=''):
return self.datastore.delete_association(association)
def find_objects(self, subject="", predicate="", object_type="", id_only=False):
return self.datastore.find_objects(subject, predicate, object_type, id_only=id_only)
def find_subjects(self, subject_type="", predicate="", object="", id_only=False):
return self.datastore.find_subjects(subject_type, predicate, object, id_only=id_only)
def find_associations(self, subject="", predicate="", object="", id_only=False):
return self.datastore.find_associations(subject, predicate, object, id_only=id_only)
