ClusterComunication.getInstance().addCollection(this.getName(),childName);
System.out.println("________ ADDDING COLLECTION " + child.getName() +" TO " + this.getName() ); ClusterComunication cluster = ClusterComunication.getInstance(); if(cluster!=null) cluster.addCollection(this.getName(),childName);
    public void addCollection(Collection child) {        try {            collection.addCollection(child);    		final int p = child.getName().lastIndexOf('/') + 1;    		final String childName = child.getName().substring(p);            ClusterComunication.getInstance().addCollection(this.getName(),childName);        } catch (ClusterException e) {            e.printStackTrace();        }    }