@Override
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof ERTriple)) {
return false;
}
ERTriple p = (ERTriple) o;
return hashkey.equals(p.toString());
}
@Override
/**
* this = <a,b> o = <c,d>
*
* <p>if (compare(a,c)==0) then compare(b,d) else compare(a,c)
*/
public int compareTo(ERTriple o) {
if (o == null) return 1;
int comp_first = this.getSource().compareTo(o.getSource());
if (comp_first == 0) {
comp_first = this.getRelation().compareTo(o.getRelation());
if (comp_first == 0) {
return this.getDestination().compareTo(o.getDestination());
}
}
return comp_first;
}