from types import StringTypes
from gid import *
from geni.util.rspec import *
-##
-# The GeniRecord class implements a Geni Record. A GeniRecord is a tuple
-# (Name, GID, Type, Info).
-#
-# Name specifies the HRN of the object
-# GID is the GID of the object
-# Type is user | sa | ma | slice | component
-#
-# Info is comprised of the following sub-fields
-# pointer = a pointer to the record in the PL database
-# pl_info = planetlab-specific info (when talking to client)
-# geni_info = geni-specific info (when talking to client)
-#
-# The pointer is interpreted depending on the type of the record. For example,
-# if the type=="user", then pointer is assumed to be a person_id that indexes
-# into the persons table.
-#
-# A given HRN may have more than one record, provided that the records are
-# of different types. For example, planetlab.us.arizona may have both an SA
-# and a MA record, but cannot have two SA records.
+
class GeniRecord:
+ """
+ The GeniRecord class implements a Geni Record. A GeniRecord is a tuple
+ (Name, GID, Type, Info).
+
+ Name specifies the HRN of the object
+ GID is the GID of the object
+ Type is user | sa | ma | slice | component
+
+ Info is comprised of the following sub-fields
+ pointer = a pointer to the record in the PL database
+ pl_info = planetlab-specific info (when talking to client)
+ geni_info = geni-specific info (when talking to client)
+
+ The pointer is interpreted depending on the type of the record. For example,
+ if the type=="user", then pointer is assumed to be a person_id that indexes
+ into the persons table.
+
+ A given HRN may have more than one record, provided that the records are
+ of different types. For example, planetlab.us.arizona may have both an SA
+ and a MA record, but cannot have two SA records.
+ """
##
# Create a Geni Record
# @param name is a string containing the HRN
def set_name(self, name):
+ """
+ Set the name of the record
+ """
self.name = name
self.dirty = True
# @param gid is a GID object or the string representation of a GID object
def set_gid(self, gid):
+ """
+ Set the GID of the record
+ """
+
if isinstance(gid, StringTypes):
self.gid = gid
else:
# @param type is a string: user | sa | ma | slice | component
def set_type(self, type):
+ """
+ Set the type of the record
+ """
self.type = type
self.dirty = True
# @param pointer is an integer containing the ID of a PLC record
def set_pointer(self, pointer):
+ """
+ Set the pointer of the record
+ """
self.pointer = pointer
self.dirty = True
# @param pl_info is a dictionary containing planetlab info
def set_pl_info(self, pl_info):
+ """
+ Set the PLC info of the record
+ """
if isinstance(pl_info, list):
pl_info = pl_info[0]
# @param geni_info is a dictionary containing geni info
def set_geni_info(self, geni_info):
+ """
+ Set the geni info the record
+ """
if isinstance(geni_info, list):
geni_info = geni_info[0]
self.geni_info = geni_info
# Return the pl_info of the record, or an empty dictionary if none exists
def get_pl_info(self):
+ """
+ Return the pl_info of the record, or an empty dictionary if none exists
+ """
if self.pl_info:
return self.pl_info
else:
# Return the geni_info of the record, or an empty dictionary if none exists
def get_geni_info(self):
+ """
+ Return the geni_info of the record, or an empty dictionary if none exists
+ """
if self.geni_info:
return self.geni_info
else:
# Return the name (HRN) of the record
def get_name(self):
+ """
+ Return the name (HRN) of the record
+ """
return self.name
##
# Return the type of the record
def get_type(self):
+ """
+ Return the type of the record
+ """
return self.type
##
# depends on the type of the record
def get_pointer(self):
+ """
+ Return the pointer of the record. The pointer is an integer that may be
+ used to look up the record in the PLC database. The evaluation of pointer
+ depends on the type of the record
+ """
return self.pointer
##
# gidObjects in the Cred
def get_gid_object(self):
+ """
+ Return the GID of the record, in the form of a GID object
+ """
return GID(string=self.gid)
##
# database.
def get_key(self):
+ """
+ Return a key that uniquely identifies this record among all records in
+ Geni. This key is used to uniquely identify the record in the Geni
+ database.
+ """
return self.name + "#" + self.type
##
# database, but are rather computed values from other entities
def get_field_names(self):
+ """
+ Returns a list of field names in this record. pl_info, geni_info are not
+ included because they are not part of the record that is stored in the
+ database, but are rather computed values from other entities
+ """
return ["name", "gid", "type", "pointer"]
##
# @param name is the name of field to be returned
def get_field_value_string(self, fieldname):
+ """
+ Given a field name ("name", "gid", ...) return the value of that field.
+ """
if fieldname == "key":
val = self.get_key()
else:
# @param fieldnames is a list of field names
def get_field_value_strings(self, fieldnames):
+ """
+ Given a list of field names, return a list of values for those fields.
+ """
strs = []
for fieldname in fieldnames:
strs.append(self.get_field_value_string(fieldname))
# Return the record in the form of a dictionary
def as_dict(self):
+ """
+ Return the record in the form of a dictionary
+ """
dict = {}
names = self.get_field_names()
for name in names:
# @param dict dictionary to load record fields from
def load_from_dict(self, dict):
+ """
+ Load the record from a dictionary
+ """
self.set_name(dict['name'])
gidstr = dict.get("gid", None)
if gidstr:
# the record.
def save_to_string(self):
-
+ """
+ Save the record to a string. The string contains an XML representation of
+ the record.
+ """
dict = self.as_dict()
record = RecordSpec()
record.parseDict(dict)
# representation of the record.
def load_from_string(self, str):
+ """
+ Load the record from a string. The string is assumed to contain an XML
+ representation of the record.
+ """
#dict = xmlrpclib.loads(str)[0][0]
record = RecordSpec()
# @param dump_parents if true, then the parents of the GID will be dumped
def dump(self, dump_parents=False):
+ """
+ Walk tree and dump records.
+ """
print "RECORD", self.name
print " hrn:", self.name
print " type:", self.type