src/net/java/sip/communicator/impl/contactlist/MetaContactImpl.java
/**
     * If <tt>parentGroup</tt> was the parent of this meta contact then it
     * sets it to null. Call this method when removing this contact from a
     * meta contact group.
     * @param parentGrp the <tt>MetaContactGroupImpl</tt> that we don't want
     * considered as a parent of this contact any more.
     */
If parentGroup was the parent of this meta contact then it
sets it to null. Call this method when removing this contact from a
meta contact group.
@param parentGrp the MetaContactGroupImpl that we don't want
considered as a parent of this contact any more.
If parentGroup was the parent of this meta contact then it sets it to null . Call this method when removing this contact from a meta contact group . @param parentGrp the MetaContactGroupImpl that we don ' t want considered as a parent of this contact any more .
void unsetParentGroup(MetaContactGroupImpl parentGrp)
    {
        synchronized(getParentGroupModLock())
        {
            if (parentGroup == parentGrp)
                parentGroup = null;
        }
    }
void unsetParentGroup ( MetaContactGroupImpl parentGrp ) { synchronized ( getParentGroupModLock ( ) ) { if ( parentGroup == parentGrp ) parentGroup = null ; } }
If <tt>parentGroup</tt> was the parent of this meta contact then it
 sets it to null.
If <tt > parentGroup< / tt > was the parent of this meta contact then it sets it to null .