/**
* Ask this queue to leave the cluster.
*/
private void clusterLeave() {
sendToCluster(new ClusterRemoveNot());
clusters.clear();
clusters.put(getId(), new Float(1));
if (logger.isLoggable(BasicLevel.DEBUG))
logger.log(BasicLevel.DEBUG, "--- " + this + " ClusterQueue.leaveCluster: " + getId());
}