MetaCache Class Reference

Inheritance diagram for MetaCache:

Collaboration diagram for MetaCache:

Classes
class	SpaceCache

Public Member Functions
def	__init__ (self, meta_addrs, timeout=2000, load_period=10, decode_type='utf-8')
def	close (self)
def	__del__ (self)
def	get_all_storage_addrs (self)
def	get_tag_id (self, space_name, tag_name)
def	get_edge_type (self, space_name, edge_name)
def	get_space_id (self, space_name)
def	get_tag_schema (self, space_name, tag_name)
def	get_edge_schema (self, space_name, edge_name)
def	get_part_leader (self, space_name, part_id)
def	get_part_leaders (self, space_name)
def	get_part_alloc (self, space_name)
def	update_storage_leader (self, space_id, part_id, HostAddr address)

Detailed Description

Definition at line 252 of file __init__.py.

Member Function Documentation

close()

def close

(

self

)

close the metaClient

:eturn: void

Definition at line 285 of file __init__.py.

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get_all_storage_addrs()

def get_all_storage_addrs

(

self

)

get all storage address

:return: list[HostAddr]

Definition at line 361 of file __init__.py.

get_edge_schema()

def get_edge_schema	(		self,
			space_name,
			edge_name
	)

get edge schema

:param space_name:
:param edge_name:
:return: schema

Definition at line 413 of file __init__.py.

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get_edge_type()

def get_edge_type	(		self,
			space_name,
			edge_name
	)

get edge type

:param space_name:
:param edge_name:
:return: edge_type

Definition at line 379 of file __init__.py.

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get_part_alloc()

def get_part_alloc	(		self,
			space_name
	)

get all part info of the space

:param space_name: space name
:eturn: map<PartitionID, list<HostAddr>>

Definition at line 448 of file __init__.py.

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get_part_leader()

def get_part_leader	(		self,
			space_name,
			part_id
	)

:param space_name:
:param part_id:
:return: storage ip port: HostAddr

Definition at line 423 of file __init__.py.

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get_part_leaders()

def get_part_leaders	(		self,
			space_name
	)

get all part leader info of the space

:param space_name: space name
:eturn: map<PartitionID, HostAddr>

Definition at line 435 of file __init__.py.

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get_space_id()

def get_space_id	(		self,
			space_name
	)

get space id

:param space_name:
:return: space_id

Definition at line 390 of file __init__.py.

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get_tag_id()

def get_tag_id	(		self,
			space_name,
			tag_name
	)

get tag id

:param space_name:
:param tag_name:
:return: tag_id

Definition at line 368 of file __init__.py.

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get_tag_schema()

def get_tag_schema	(		self,
			space_name,
			tag_name
	)

get tag schema

:param space_name:
:param tag_name:
:return: schema

Definition at line 403 of file __init__.py.

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update_storage_leader()

def update_storage_leader	(		self,
			space_id,
			part_id,
		HostAddr	address
	)

if the storage leader change, storage client need to call this function

:param space_id:
:param part_id:
:param address: HostAddr, if the address is None, it means the leader can't connect,
choose the peer as leader
:return: coid

Definition at line 487 of file __init__.py.

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The documentation for this class was generated from the following file:

• nebula3/mclient/__init__.py