org.apache.jackrabbit.mk.persistence
Interface Persistence

All Known Implementing Classes:

BDbPersistence, FSPersistence, H2Persistence, InMemPersistence, MongoPersistence

public interface Persistence

Defines the methods exposed by a persistence manager, that stores head revision id, nodes, child node entries and blobs.

Method Summary

ChildNodeEntriesMap	readCNEMap(Id id)
StoredCommit	readCommit(Id id)
Id	readHead()
void	readNode(StoredNode node) Read a node from storage.
Id	writeCNEMap(ChildNodeEntriesMap map)
void	writeCommit(Id id, Commit commit) Persist a commit, with an id that is selected by the caller.
void	writeHead(Id id)
Id	writeNode(Node node)

Method Detail

readHead

Id readHead()
            throws Exception

Throws:

Exception

writeHead

void writeHead(Id id)
               throws Exception

Throws:

Exception

readNode

void readNode(StoredNode node)
              throws NotFoundException,
                     Exception

Read a node from storage.

Parameters:

node - node to read, with id given in StoredNode.getId()

Throws:

NotFoundException - if no such node is found

Exception - if some other error occurs

writeNode

Id writeNode(Node node)
             throws Exception

Throws:

Exception

readCNEMap

ChildNodeEntriesMap readCNEMap(Id id)
                               throws NotFoundException,
                                      Exception

Throws:

NotFoundException

Exception

writeCNEMap

Id writeCNEMap(ChildNodeEntriesMap map)
               throws Exception

Throws:

Exception

readCommit

StoredCommit readCommit(Id id)
                        throws NotFoundException,
                               Exception

Throws:

NotFoundException

Exception

writeCommit

void writeCommit(Id id,
                 Commit commit)
                 throws Exception

Persist a commit, with an id that is selected by the caller.

Parameters:

id - commit id

commit - commit

Throws:

Exception - if an error occurs