org.apache.jackrabbit.core.version
Interface InternalVersionHistory

All Superinterfaces:

InternalVersionItem

All Known Implementing Classes:

InternalVersionHistoryImpl

public interface InternalVersionHistory

extends InternalVersionItem

This interface defines the internal version history.

Method Summary

int	getNumVersions() Returns the number of versions in this version history.
InternalVersion	getRootVersion() Equivalalent to VersionHistory.getRootVersion().
InternalVersion	getVersion(QName versionName) Equivalalent to VersionHistory.getVersion(java.lang.String).
InternalVersion	getVersion(String uuid) Returns the version with the given uuid or null if the respective version does not exist.
String	getVersionableUUID() Returns the UUID of the versionable node that this history belongs to.
InternalVersion	getVersionByLabel(QName label) Equivalalent to VersionHistory.getVersionByLabel(java.lang.String) but returns null if the version does not exists.
QName[]	getVersionLabels() Returns a string iterator over all version labels that exist in this version history
String	getVersionLabelsUUID() Returns the UUID of the version labels node
Iterator	getVersions() Returns an iterator over all versions (not ordered yet), including the root version.
boolean	hasVersion(QName versionName) Checks if the version with the given name exists in this version history.
boolean	hasVersion(String uuid) Checks if the version for the given uuid exists in this history.

Methods inherited from interface org.apache.jackrabbit.core.version.InternalVersionItem

getId, getParent

Method Detail

getRootVersion

public InternalVersion getRootVersion()

Equivalalent to VersionHistory.getRootVersion().

See Also:

VersionHistory.getRootVersion()

getVersion

public InternalVersion getVersion(QName versionName)
                           throws VersionException

Equivalalent to VersionHistory.getVersion(java.lang.String).

Throws:

VersionException

See Also:

VersionHistory.getVersion(java.lang.String)

hasVersion

public boolean hasVersion(QName versionName)

Checks if the version with the given name exists in this version history.

Parameters:

versionName - the name of the version

Returns:

true if the version exists; false otherwise.

hasVersion

public boolean hasVersion(String uuid)

Checks if the version for the given uuid exists in this history.

Parameters:

uuid - the uuid of the version

Returns:

true if the version exists; false otherwise.

getVersion

public InternalVersion getVersion(String uuid)

Returns the version with the given uuid or null if the respective version does not exist.

Parameters:

uuid - the uuid of the version

Returns:

the internal version ot null

getVersionByLabel

public InternalVersion getVersionByLabel(QName label)

Equivalalent to VersionHistory.getVersionByLabel(java.lang.String) but returns null if the version does not exists.

See Also:

VersionHistory.getVersionByLabel(java.lang.String)

getVersions

public Iterator getVersions()

Returns an iterator over all versions (not ordered yet), including the root version.

Returns:

an iterator over InternalVersion objects.

getNumVersions

public int getNumVersions()

Returns the number of versions in this version history.

Returns:

the number of versions, including the root version.

getVersionableUUID

public String getVersionableUUID()

Returns the UUID of the versionable node that this history belongs to.

Returns:

the UUID of the versionable node.

getVersionLabels

public QName[] getVersionLabels()

Returns a string iterator over all version labels that exist in this version history

Returns:

getVersionLabelsUUID

public String getVersionLabelsUUID()

Returns the UUID of the version labels node

Returns: