Package org.alfresco.repo.virtual.bundle

Class VirtualVersionServiceExtension.VirtualVersionHistory

java.lang.Object

org.alfresco.repo.virtual.bundle.VirtualVersionServiceExtension.VirtualVersionHistory

All Implemented Interfaces:

java.io.Serializable, VersionHistory

Enclosing class:

VirtualVersionServiceExtension

public class VirtualVersionServiceExtension.VirtualVersionHistory
extends java.lang.Object
implements VersionHistory

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
VirtualVersionHistory(Reference versionedReference, VersionHistory actualHistory)

Method Summary

Modifier and Type	Method	Description
java.util.Collection<Version>	getAllVersions()	Gets a collection containing all the versions within the version history.
Version	getHeadVersion()	Gets the head (current / most recent) version of the version history.
Version	getPredecessor(Version version)	Gets the predecessor of a specified version
Version	getRootVersion()	Gets the root (initial / least recent) version of the version history.
java.util.Collection<Version>	getSuccessors(Version version)	Gets the succeeding versions of a specified version.
Version	getVersion(java.lang.String versionLabel)	Gets a version with a specified version label.

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualVersionHistory

public VirtualVersionHistory(Reference versionedReference,
                             VersionHistory actualHistory)

Method Detail

getRootVersion

public Version getRootVersion()

Description copied from interface: VersionHistory

Gets the root (initial / least recent) version of the version history.

Specified by:

getRootVersion in interface VersionHistory

Returns:

the root version

getHeadVersion

public Version getHeadVersion()

Description copied from interface: VersionHistory

Gets the head (current / most recent) version of the version history.

Specified by:

getHeadVersion in interface VersionHistory

Returns:

the root version

getAllVersions

public java.util.Collection<Version> getAllVersions()

Description copied from interface: VersionHistory

Gets a collection containing all the versions within the version history.

Versions are returned in descending create date order (most recent first).

Specified by:

getAllVersions in interface VersionHistory

Returns:

collection containing all the versions

getPredecessor

public Version getPredecessor(Version version)

Description copied from interface: VersionHistory

Gets the predecessor of a specified version

Specified by:

getPredecessor in interface VersionHistory

Parameters:

version - the version object

Returns:

the predeceeding version, null if root version

getSuccessors

public java.util.Collection<Version> getSuccessors(Version version)

Description copied from interface: VersionHistory

Gets the succeeding versions of a specified version.

Specified by:

getSuccessors in interface VersionHistory

Parameters:

version - the version object

Returns:

a collection containing the succeeding version, empty is none

getVersion

public Version getVersion(java.lang.String versionLabel)

Description copied from interface: VersionHistory

Gets a version with a specified version label. The version label is guarenteed unique within the version history.

Specified by:

getVersion in interface VersionHistory

Parameters:

versionLabel - the version label

Returns:

the version object