MetaManager Class Reference

MetaManager is a manager for meta info, such as spaces,tags and edges. More...

Inheritance diagram for MetaManager:

Collaboration diagram for MetaManager:

Public Member Functions
	MetaManager (List< HostAddress > address) throws TException, ClientServerIncompatibleException, UnknownHostException
	init the meta info cache
	MetaManager (List< HostAddress > address, int timeout, int connectionRetry, int executionRetry, boolean enableSSL, SSLParam sslParam) throws TException, ClientServerIncompatibleException, UnknownHostException
	init the meta info cache with more config
void	close ()
	close meta client
int	getSpaceId (String spaceName) throws IllegalArgumentException
	get space id More...
SpaceItem	getSpace (String spaceName) throws IllegalArgumentException
	get space item More...
int	getTagId (String spaceName, String tagName) throws IllegalArgumentException
	get tag id More...
TagItem	getTag (String spaceName, String tagName) throws IllegalArgumentException
	get tag More...
int	getEdgeType (String spaceName, String edgeName) throws IllegalArgumentException
	get edge type More...
EdgeItem	getEdge (String spaceName, String edgeName) throws IllegalArgumentException
	get Edge More...
HostAddr	getLeader (String spaceName, int part) throws IllegalArgumentException
	get part leader More...
List< Integer >	getSpaceParts (String spaceName) throws IllegalArgumentException
	get all parts of one space More...
Map< Integer, List< HostAddr > >	getPartsAlloc (String spaceName) throws IllegalArgumentException
	get all parts alloc of one space More...
void	updateLeader (String spaceName, int part, HostAddr newLeader) throws IllegalArgumentException
	cache new leader for part More...
Set< HostAddr >	listHosts ()
	get all storage addresses
int	getConnectionRetry ()
int	getTimeout ()
int	getExecutionRetry ()

Detailed Description

MetaManager is a manager for meta info, such as spaces,tags and edges.

Definition at line 34 of file MetaManager.java.

Member Function Documentation

getEdge()

EdgeItem getEdge	(	String	spaceName,
		String	edgeName
	)		throws IllegalArgumentException

get Edge

Parameters

spaceName	nebula graph space name
edgeName	nebula edge name

Returns

Implements MetaCache.

Definition at line 239 of file MetaManager.java.

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getEdgeType()

int getEdgeType	(	String	spaceName,
		String	edgeName
	)		throws IllegalArgumentException

get edge type

Parameters

spaceName	nebula graph space name
edgeName	nebula edge name

Returns

long

Definition at line 227 of file MetaManager.java.

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getLeader()

HostAddr getLeader	(	String	spaceName,
		int	part
	)		throws IllegalArgumentException

get part leader

Parameters

spaceName	nebula graph space name
part	nebula part id

Returns

leader

Definition at line 265 of file MetaManager.java.

getPartsAlloc()

Map<Integer, List<HostAddr> > getPartsAlloc

(

String

spaceName

)

throws IllegalArgumentException

get all parts alloc of one space

Parameters

spaceName

nebula graph space name

Returns

Map

Implements MetaCache.

Definition at line 305 of file MetaManager.java.

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getSpace()

SpaceItem getSpace

(

String

spaceName

)

throws IllegalArgumentException

get space item

Parameters

spaceName

nebula graph space name

Returns

SpaceItem

Implements MetaCache.

Definition at line 166 of file MetaManager.java.

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getSpaceId()

int getSpaceId

(

String

spaceName

)

throws IllegalArgumentException

get space id

Parameters

spaceName

nebula space name

Returns

Definition at line 155 of file MetaManager.java.

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getSpaceParts()

List<Integer> getSpaceParts

(

String

spaceName

)

throws IllegalArgumentException

get all parts of one space

Parameters

spaceName

nebula graph space name

Returns

Lsit

Definition at line 294 of file MetaManager.java.

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getTag()

TagItem getTag	(	String	spaceName,
		String	tagName
	)		throws IllegalArgumentException

get tag

Parameters

spaceName	nebula space name
tagName	nebula tag name

Returns

Implements MetaCache.

Definition at line 200 of file MetaManager.java.

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getTagId()

int getTagId	(	String	spaceName,
		String	tagName
	)		throws IllegalArgumentException

get tag id

Parameters

spaceName	nebula graph space name
tagName	nebula tag name

Returns

int

Definition at line 188 of file MetaManager.java.

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updateLeader()

void updateLeader	(	String	spaceName,
		int	part,
		HostAddr	newLeader
	)		throws IllegalArgumentException

cache new leader for part

Parameters

spaceName	nebula graph space
part	nebula part
newLeader	nebula part new leader

Definition at line 328 of file MetaManager.java.

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

• client/src/main/java/com/vesoft/nebula/client/meta/MetaManager.java