org.apache.jackrabbit.mk.persistence
Class FSPersistence

java.lang.Object
  org.apache.jackrabbit.mk.persistence.FSPersistence

All Implemented Interfaces:

Persistence

public class FSPersistence
extends Object
implements Persistence

Constructor Summary

FSPersistence(File homeDir)

Method Summary

void	initialize()
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)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FSPersistence

public FSPersistence(File homeDir)

Method Detail

initialize

public void initialize()
                throws Exception

Throws:

Exception

readHead

public Id readHead()
            throws Exception

Specified by:

readHead in interface Persistence

Throws:

Exception

writeHead

public void writeHead(Id id)
               throws Exception

Specified by:

writeHead in interface Persistence

Throws:

Exception

readNode

public void readNode(StoredNode node)
              throws NotFoundException,
                     Exception

Description copied from interface: Persistence

Read a node from storage.

Specified by:

readNode in interface Persistence

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

public Id writeNode(Node node)
             throws Exception

Specified by:

writeNode in interface Persistence

Throws:

Exception

readCommit

public StoredCommit readCommit(Id id)
                        throws NotFoundException,
                               Exception

Specified by:

readCommit in interface Persistence

Throws:

NotFoundException

Exception

writeCommit

public void writeCommit(Id id,
                        Commit commit)
                 throws Exception

Description copied from interface: Persistence

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

Specified by:

writeCommit in interface Persistence

Parameters:

id - commit id

commit - commit

Throws:

Exception - if an error occurs

readCNEMap

public ChildNodeEntriesMap readCNEMap(Id id)
                               throws NotFoundException,
                                      Exception

Specified by:

readCNEMap in interface Persistence

Throws:

NotFoundException

Exception

writeCNEMap

public Id writeCNEMap(ChildNodeEntriesMap map)
               throws Exception

Specified by:

writeCNEMap in interface Persistence

Throws:

Exception