def get_value(self, key):
'''
get value by key
:return: Value
'''
if key not in self._names:
raise InvalidKeyException(key)
return self._record[self._names[key]]
def get_type(self, key):
'''
get type by key
:return: value type
'''
if key not in self._names:
raise InvalidKeyException(key)
return self._record[self._names[key]].getType()
def propertys(self, tag):
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
props = self._value.tags[self._tag_indexes[tag]].props
result_props = {}
for key in props.keys():
result_props[key.decode(self._decode_type)] = ValueWrapper(props[key])
return result_props
def prop_names(self, tag):
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
index = self._tag_indexes[tag]
props = self._value.tags[index].props
if props is None:
return []
return [(key.decode(self.get_decode_type()))
for key in self._value.tags[index].props.keys()]
def column_values(self, key):
"""
get column values
:param key: the col name
:return: list<ValueWrapper>
"""
if key not in self._column_names:
raise InvalidKeyException(key)
return [(ValueWrapper(row.values[self._key_indexes[key]])) for row in self._data_set.rows]
def prop_values(self, tag):
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
index = self._tag_indexes[tag]
props = self._value.tags[index].props
if props is None:
return []
return [(ValueWrapper(value,
decode_type=self.get_decode_type(),
timezone_offset=self._timezone_offset))
for value in self._value.tags[index].props.values()]
def get_path(self, key):
'''
get path by key
:return: Path
'''
if key not in self._names:
raise InvalidKeyException(key)
if self._names[key] != ttypes.Value.PVAL:
return InvalidValueTypeException(
'the type of key: {} is {} != {}'.format(
key, self._names[key].getType(), ttypes.Value.PVAL))
return ConvertValue.convert(self._names[key])
def column_values(self, key):
"""get column values
:param key: the col name
:return: list<ValueWrapper>
"""
if key not in self._column_names:
raise InvalidKeyException(key)
return [(ValueWrapper(value=row.values[self._key_indexes[key]],
decode_type=self._decode_type,
timezone_offset=self._timezone_offset))
for row in self._data_set.rows]
def prop_names(self, tag):
"""get the property names of the specified tag
:param tag: the tag name
:return: property name list
"""
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
index = self._tag_indexes[tag]
props = self._value.tags[index].props
if props is None:
return []
return [(key.decode(self.get_decode_type())) for key in self._value.tags[index].props.keys()]
def properties(self, tag):
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
props = self._value.tags[self._tag_indexes[tag]].props
result_props = {}
if props is None:
return result_props
for key in props.keys():
result_props[key.decode(self.get_decode_type())] = ValueWrapper(
props[key],
decode_type=self.get_decode_type(),
timezone_offset=self._timezone_offset)
return result_props
def prop_values(self, tag):
"""get all property values of the specified tag
:param tag: the tag name
:return: property name list
"""
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
index = self._tag_indexes[tag]
props = self._value.tags[index].props
if props is None:
return []
return [(ValueWrapper(value,
decode_type=self.get_decode_type(),
timezone_offset=self._timezone_offset))
for value in self._value.tags[index].props.values()]
def prop_values(self, tag):
if tag not in self._tag_indexes.keys():
raise InvalidKeyException(tag)
return list(self._value.tags[self._tag_indexes[tag]].props.values())
