org.apache.jackrabbit.core.version
Class LabelVersionSelector

java.lang.Object
  org.apache.jackrabbit.core.version.LabelVersionSelector

All Implemented Interfaces:

VersionSelector

public class LabelVersionSelector
extends java.lang.Object
implements VersionSelector

This Class implements a version selector that selects a version by label.

V1.0 V1.1 - "foo" new LabelVersionSelector("foo").select() --> V1.1 new LabelVersionSelector("bar").select() --> null

Constructor Summary

LabelVersionSelector(java.lang.String label)
Creates a LabelVersionSelector that will try to select a version with the given label.

Method Summary

java.lang.String	getLabel() Returns the label hint
javax.jcr.version.Version	select(javax.jcr.version.VersionHistory versionHistory) Selects a version from the given version history using the previously assigned hint in the following order: name, label, date, latest.
static javax.jcr.version.Version	selectByLabel(javax.jcr.version.VersionHistory history, java.lang.String label) Selects a version by label
void	setLabel(java.lang.String label) Sets the label hint
java.lang.String	toString() returns debug information

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelVersionSelector

public LabelVersionSelector(java.lang.String label)

Creates a LabelVersionSelector that will try to select a version with the given label.

Parameters:

label -

Method Detail

getLabel

public java.lang.String getLabel()

Returns the label hint

Returns:

the label hint.

setLabel

public void setLabel(java.lang.String label)

Sets the label hint

Parameters:

label -

select

public javax.jcr.version.Version select(javax.jcr.version.VersionHistory versionHistory)
                                 throws javax.jcr.RepositoryException

Selects a version from the given version history using the previously assigned hint in the following order: name, label, date, latest.

Specified by:

select in interface VersionSelector

Parameters:

versionHistory -

Returns:

Throws:

javax.jcr.RepositoryException

selectByLabel

public static javax.jcr.version.Version selectByLabel(javax.jcr.version.VersionHistory history,
                                                      java.lang.String label)
                                               throws javax.jcr.RepositoryException

Selects a version by label

Parameters:

history -

label -

Returns:

the version with the given label or null

Throws:

javax.jcr.RepositoryException

toString

public java.lang.String toString()

returns debug information

Overrides:

toString in class java.lang.Object

Returns:

debug information