org.apache.jackrabbit.mk.store
Class DefaultRevisionStore

java.lang.Object
  org.apache.jackrabbit.mk.store.DefaultRevisionStore

All Implemented Interfaces:

Closeable, RevisionProvider, RevisionStore

public class DefaultRevisionStore
extends Object
implements RevisionStore, Closeable

Default revision store implementation, passing calls to a Persistence and a BlobStore, respectively and providing caching.

Field Summary

static String	CACHE_SIZE
static int	DEFAULT_CACHE_SIZE

Constructor Summary

DefaultRevisionStore(Persistence pm)

Method Summary

void	close()
protected int	determineInitialCacheSize()
ChildNodeEntriesMap	getCNEMap(Id id)
StoredCommit	getCommit(Id id)
StoredCommit	getHeadCommit()
Id	getHeadCommitId()
Id	getId(NodeState node) Adapts the given NodeState to the corresponding identifier.
StoredNode	getNode(Id id)
NodeState	getNodeState(StoredNode node) Adapts the given StoredNode to a corresponding NodeState instance.
StoredNode	getRootNode(Id commitId)
void	initialize()
void	lockHead() Lock the head.
Id	putCNEMap(ChildNodeEntriesMap map)
Id	putHeadCommit(MutableCommit commit) Put a new head commit.
Id	putNode(MutableNode node)
void	unlockHead() Unlock the head.
protected void	verifyInitialized()

Methods inherited from class java.lang.Object

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

Field Detail

CACHE_SIZE

public static final String CACHE_SIZE

See Also:

Constant Field Values

DEFAULT_CACHE_SIZE

public static final int DEFAULT_CACHE_SIZE

See Also:

Constant Field Values

Constructor Detail

DefaultRevisionStore

public DefaultRevisionStore(Persistence pm)

Method Detail

initialize

public void initialize()
                throws Exception

Throws:

Exception

close

public void close()

Specified by:

close in interface Closeable

verifyInitialized

protected void verifyInitialized()

determineInitialCacheSize

protected int determineInitialCacheSize()

putNode

public Id putNode(MutableNode node)
           throws Exception

Specified by:

putNode in interface RevisionStore

Throws:

Exception

putCNEMap

public Id putCNEMap(ChildNodeEntriesMap map)
             throws Exception

Specified by:

putCNEMap in interface RevisionStore

Throws:

Exception

lockHead

public void lockHead()

Description copied from interface: RevisionStore

Lock the head. Must be called prior to putting a new head commit.

Specified by:

lockHead in interface RevisionStore

See Also:

RevisionStore.putHeadCommit(MutableCommit)

putHeadCommit

public Id putHeadCommit(MutableCommit commit)
                 throws Exception

Description copied from interface: RevisionStore

Put a new head commit. Must be called while holding a lock on the head.

Specified by:

putHeadCommit in interface RevisionStore

Parameters:

commit - commit

Returns:

head commit id

Throws:

Exception - if an error occurs

See Also:

RevisionStore.lockHead()

unlockHead

public void unlockHead()

Description copied from interface: RevisionStore

Unlock the head.

Specified by:

unlockHead in interface RevisionStore

getNodeState

public NodeState getNodeState(StoredNode node)

Description copied from interface: RevisionProvider

Adapts the given StoredNode to a corresponding NodeState instance.

Specified by:

getNodeState in interface RevisionProvider

Parameters:

node - stored node instance

Returns:

node state adapter

getId

public Id getId(NodeState node)

Description copied from interface: RevisionProvider

Adapts the given NodeState to the corresponding identifier.

Specified by:

getId in interface RevisionProvider

Parameters:

node - node state

Returns:

node identifier

getNode

public StoredNode getNode(Id id)
                   throws NotFoundException,
                          Exception

Specified by:

getNode in interface RevisionProvider

Throws:

NotFoundException

Exception

getCNEMap

public ChildNodeEntriesMap getCNEMap(Id id)
                              throws NotFoundException,
                                     Exception

Specified by:

getCNEMap in interface RevisionProvider

Throws:

NotFoundException

Exception

getCommit

public StoredCommit getCommit(Id id)
                       throws NotFoundException,
                              Exception

Specified by:

getCommit in interface RevisionProvider

Throws:

NotFoundException

Exception

getRootNode

public StoredNode getRootNode(Id commitId)
                       throws NotFoundException,
                              Exception

Specified by:

getRootNode in interface RevisionProvider

Throws:

NotFoundException

Exception

getHeadCommit

public StoredCommit getHeadCommit()
                           throws Exception

Specified by:

getHeadCommit in interface RevisionProvider

Throws:

Exception

getHeadCommitId

public Id getHeadCommitId()
                   throws Exception

Specified by:

getHeadCommitId in interface RevisionProvider

Throws:

Exception