class MetaNode(object):
def __init__(self, tables):
self.db_info = DBInfo(tables=tables)
self.oracle = Oracle()
def GetTableInfoByID(self, table_id):
return self.db_info.GetTableInfoByID(table_id)
def GetTableInfoByName(self, table_name):
'''
@rtype: TableInfo
'''
return self.db_info.GetTableInfoByName(table_name)
def GetColumnInfoByID(self, table_id, column_id):
return self.db_info.GetColumnInfoByID(table_id, column_id)
def GetColumnInfoByName(self, table_name, column_name):
'''
@rtype: ColumnInfo
'''
return self.db_info.GetColumnInfoByName(table_name, column_name)
def GetRowID(self, table_id):
return self.db_info.GetRowID(table_id)
def GetTimestamp(self):
return self.oracle.GetTimestamp()
def IsExpired(self, lockTimestamp, TTL):
return self.oracle.IsExpired(lockTimestamp, TTL)
