Package jade.core.faultRecovery

Interface PersistentStorage

public interface PersistentStorage

An implementation of this interface is used by the FaultRecoveryService to save the information required to recover a platform after a fault of the Main Container.

Author:

Giovanni Caire - TILAB

Method Summary

Modifier and Type	Method	Description
void	clear(boolean clearPlatform)	Clear all information stored in this persistent storage
void	close()	Close this persistent storage performing all necessary clean-up operations
Map	getAllNodes(boolean children)	Retrieve all stored reachable nodes
String[]	getPlatformInfo()	Retrieve the Platform Information i.e.
byte[]	getUnreachableNode(String name)	Retrieve a stored unreachable node
void	init(Profile p)	Initialize this persistent storage
void	removeNode(String name)	Remove a (possibly child) reachable node
void	resetUnreachable(String name)	Mark a previously stored node as reachable again
void	setUnreachable(String name)	Mark a previously stored node as unreachable
void	storeNode(String name, boolean isChild, byte[] nn)	Store a (possibly child) node
void	storePlatformInfo(String platformName, String address)	Store the Main Container local address

Method Detail

init

void init(Profile p)
   throws Exception

Initialize this persistent storage

Throws:

Exception

close

void close()

Close this persistent storage performing all necessary clean-up operations

clear

void clear(boolean clearPlatform)
    throws Exception

Clear all information stored in this persistent storage

Throws:

Exception

storePlatformInfo

void storePlatformInfo(String platformName,
                       String address)
                throws Exception

Store the Main Container local address

Throws:

Exception

getPlatformInfo

String[] getPlatformInfo()
                  throws Exception

Retrieve the Platform Information i.e. Platform name and Main Ccntainer local address

Throws:

Exception

storeNode

void storeNode(String name,
               boolean isChild,
               byte[] nn)
        throws Exception

Store a (possibly child) node

Throws:

Exception

removeNode

void removeNode(String name)
         throws Exception

Remove a (possibly child) reachable node

Throws:

Exception

setUnreachable

void setUnreachable(String name)
             throws Exception

Mark a previously stored node as unreachable

Throws:

Exception

resetUnreachable

void resetUnreachable(String name)
               throws Exception

Mark a previously stored node as reachable again

Throws:

Exception

getAllNodes

Map getAllNodes(boolean children)
         throws Exception

Retrieve all stored reachable nodes

Throws:

Exception

getUnreachableNode

byte[] getUnreachableNode(String name)
                   throws Exception

Retrieve a stored unreachable node

Throws:

Exception