org.wamblee.security.authentication.jpa

Class JpaGroupSet

java.lang.Object

org.wamblee.security.authentication.jpa.JpaGroupSet

All Implemented Interfaces:

GroupSet

public class JpaGroupSet
extends Object
implements GroupSet

Group set backed by the database.

Author:

Erik Brakkee

Constructor Summary

Constructors

Constructor and Description
JpaGroupSet(javax.persistence.EntityManager aEm) Constructs the group set.

Method Summary

Modifier and Type	Method and Description
boolean	add(Group aGroup) Adds a group.
boolean	contains(Group aGroup) Determines if the group exists.
Group	find(String aName) Finds the group by name.
void	groupModified(Group aGroup) Must be called when the group has been modified to notify the group set.
Set<Group>	list() Returns the current groups.
boolean	remove(Group aGroup) Removes a group.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaGroupSet

public JpaGroupSet(javax.persistence.EntityManager aEm)

Constructs the group set.

Parameters:

aEm - Contextual reference to an entity manager.

Method Detail

add

public boolean add(Group aGroup)

Description copied from interface: GroupSet

Adds a group. If the group already exists, the existing group set is left unchanged.

Specified by:

add in interface GroupSet

Parameters:

aGroup - Group.

contains

public boolean contains(Group aGroup)

Description copied from interface: GroupSet

Determines if the group exists.

Specified by:

contains in interface GroupSet

Parameters:

aGroup - Group.

Returns:

True iff the group exists.

find

public Group find(String aName)

Description copied from interface: GroupSet

Finds the group by name.

Specified by:

find in interface GroupSet

Parameters:

aName - Group name.

Returns:

Group or null if not found.

groupModified

public void groupModified(Group aGroup)

Description copied from interface: GroupSet

Must be called when the group has been modified to notify the group set.

Specified by:

groupModified in interface GroupSet

Parameters:

aGroup - Group that was modified.

list

public Set<Group> list()

Description copied from interface: GroupSet

Returns the current groups.

Specified by:

list in interface GroupSet

Returns:

Groups.

remove

public boolean remove(Group aGroup)

Description copied from interface: GroupSet

Removes a group. If the group does not exist, this method is a no-op.

Specified by:

remove in interface GroupSet

Parameters:

aGroup - Group to remove.

Returns:

True if the group was removed, false otherwise.

size

public int size()

Specified by:

size in interface GroupSet

Returns:

The number of groups.