org.wamblee.usermgt
Class InMemoryGroupSet

java.lang.Object
  org.wamblee.usermgt.InMemoryGroupSet

All Implemented Interfaces:

GroupSet

public class InMemoryGroupSet
extends java.lang.Object
implements GroupSet

In-memory group set implementation.

Author:

Erik Brakkee

Constructor Summary

InMemoryGroupSet()
Constructs an empty group set.

Method Summary

boolean	add(Group aGroup) Adds a group.
boolean	contains(Group aGroup) Determines if the group exists.
Group	find(java.lang.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.
java.util.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

InMemoryGroupSet

public InMemoryGroupSet()

Constructs an empty group set.

Method Detail

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.

find

public Group find(java.lang.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.

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.

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.

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.

list

public java.util.Set<Group> list()

Description copied from interface: GroupSet

Returns the current groups.

Specified by:

list in interface GroupSet

Returns:

Groups.

size

public int size()

Specified by:

size in interface GroupSet

Returns:

The number of groups.