public void setRetireOnDeletion(boolean retire) {
        this.retireOnDeletion = retire;
    }
Sets whether the room should be retired on deletion.

Retiring a room means that this room's name cannot be used again after room deletion.

@param retire true if the room should be retired on deletion
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MUCRoom.java