def __init__(self, cls, pool, column_family, raw_columns=False, **kwargs):
"""
Instances of `cls` are returned from :meth:`get()`, :meth:`multiget()`,
:meth:`get_range()` and :meth:`get_indexed_slices()`.
`pool` is a :class:`~pycassa.pool.ConnectionPool` that will be used
in the same way a :class:`~.ColumnFamily` uses one.
`column_family` is the name of a column family to tie to `cls`.
If `raw_columns` is ``True``, all columns will be fetched into the
`raw_columns` field in requests.
"""
ColumnFamily.__init__(self, pool, column_family, **kwargs)
self.cls = cls
self.autopack_names = False
self.raw_columns = raw_columns
self.dict_class = util.OrderedDict
self.defaults = {}
self.fields = []
for name, val_type in inspect.getmembers(self.cls):
if name != 'key' and isinstance(val_type, CassandraType):
self.fields.append(name)
self.column_validators[name] = val_type
self.defaults[name] = val_type.default
if hasattr(self.cls, 'key') and isinstance(self.cls.key, CassandraType):
self.key_validation_class = self.cls.key
def __init__(self, cls, pool, column_family, columns=None, raw_columns=False, **kwargs):
"""
Maps an existing class to a column family. Class fields become columns,
and instances of that class can be represented as rows in standard column
families or super columns in super column families.
Instances of `cls` are returned from :meth:`get()`, :meth:`multiget()`,
:meth:`get_range()` and :meth:`get_indexed_slices()`.
`pool` is a :class:`~pycassa.pool.ConnectionPool` that will be used
in the same way a :class:ColumnFamily uses one.
`column_family` is the name of a column family to tie to `cls`.
If `raw_columns` is ``True``, all columns will be fetched into the
`raw_columns` field in requests.
"""
ColumnFamily.__init__(self, pool, column_family, **kwargs)
self.cls = cls
self.autopack_names = False
self.raw_columns = raw_columns
self.dict_class = util.OrderedDict
self.defaults = {}
self.fields = []
for name, val_type in self.cls.__dict__.iteritems():
if isinstance(val_type, CassandraType):
self.fields.append(name)
self.column_validators[name] = val_type
self.defaults[name] = val_type.default
def __init__(self, cls, pool, column_family, columns=None, raw_columns=False, **kwargs):
"""
Maps an existing class to a column family. Class fields become columns,
and instances of that class can be represented as rows in standard column
families or super columns in super column families.
Instances of `cls` are returned from :meth:`get()`, :meth:`multiget()`,
:meth:`get_range()` and :meth:`get_indexed_slices()`.
`pool` is a :class:`~pycassa.pool.ConnectionPool` that will be used
in the same way a :class:`~.ColumnFamily` uses one.
`column_family` is the name of a column family to tie to `cls`.
If `raw_columns` is ``True``, all columns will be fetched into the
`raw_columns` field in requests.
"""
ColumnFamily.__init__(self, pool, column_family, **kwargs)
self.cls = cls
self.autopack_names = False
self.raw_columns = raw_columns
self.dict_class = util.OrderedDict
self.defaults = {}
self.fields = []
for name, val_type in self.cls.__dict__.iteritems():
if isinstance(val_type, CassandraType):
self.fields.append(name)
self.column_validators[name] = val_type
self.defaults[name] = val_type.default
