Returns a pre-existing ILockableEntityGroup or null if the
group is not found.
org.jasig.portal.groups.ILockableEntityGroup Parameters: key - String - the group key. Parameters: owner - String - the lock owner.
Returns a pre-existing ILockableEntityGroup or null if the
group is not found.
org.jasig.portal.groups.ILockableEntityGroup Parameters: key - String - the group key. Parameters: owner - String - the lock owner. Parameters: durationSecs - int - the duration of the lock in seconds.