/** Set cluster as disconnected. */
public void setDisconnected(final Cluster cluster) {
allHostsInfo.setDisconnected(cluster);
}
/** Adds small box with cluster possibility to load it and remove it. */
public void addClusterBox(final Cluster cluster) {
allHostsInfo.addClusterBox(cluster);
allHostsInfo.setConnected(cluster);
allHostsInfo.addCheckboxListener(cluster);
}