src/main/java/org/thegalactic/lattice/ConceptLattice.java
@Override
    public boolean addEdge(Node source, Node target) {
        if (target instanceof Concept && source instanceof Concept) {
            return super.addEdge(source, target);
        } else {
            return false;
        }
    }
/**
     * Adds the specified edge to this component: `target` is added as a
     * successor
     * of `source`.
     *
     * If the cases where specified nodes don't belongs to the node set, and
     * where nodes don't contains concept as content, then the edge will not be
     * added.
     *
     * @param source the node origine of the edge
     * @param target the node destination of the edge
     *
     * @return a boolean
     *
     * @todo Comment the return
     */
Adds the specified edge to this component: `target` is added as a
successor
of `source`.

If the cases where specified nodes don't belongs to the node set, and
where nodes don't contains concept as content, then the edge will not be
added.

@param source the node origine of the edge
@param target the node destination of the edge

@return a boolean

@todo Comment the return
Adds the specified edge to this component : ` target ` is added as a successor of ` source ` . If the cases where specified nodes don ' t belongs to the node set and where nodes don ' t contains concept as content then the edge will not be added . @param source the node origine of the edge @param target the node destination of the edge @return a boolean @todo Comment the return
@Override
    public boolean addEdge(Node source, Node target) {
        if (target instanceof Concept && source instanceof Concept) {
            return super.addEdge(source, target);
        } else {
            return false;
        }
    }
@ Override public boolean addEdge ( Node source , Node target ) { if ( target instanceof Concept && source instanceof Concept ) { return super . addEdge ( source , target ) ; } else { return false ; } }
Adds the specified edge to this component: `target` is added as a
 successor
 of `source`.
Adds the specified edge to this component : ` target ` is added as a successor of ` source ` .