/**
* @param kam1
* @param edges
* @return
* @throws InvalidArgument
*/
public static Kam union(Kam kam1, List<KamEdge> kamEdges) throws InvalidArgument {
Kam newKam = newInstance(kam1);
newKam.union(kam1.getEdges());
newKam.union(kamEdges);
return newKam;
}
/**
* @param kam
* @param kamEdges
* @return
* @throws InvalidArgument
*/
public static Kam difference(Kam kam, List<KamEdge> kamEdges) throws InvalidArgument {
// Make sure that all the edges in the edge list are associated with the Kam
for (KamEdge kamEdge : kamEdges) {
if (!kamEdge.getKam().getKamInfo().equals(kam.getKamInfo())) {
throw new InvalidArgument("Kamedges do not reference the same Kam.");
}
}
// Create a new kam instance and add the edges
Kam kam2 = newInstance(kam);
kam2.union(kamEdges);
// perform a kam to kam difference
return difference(kam, kam2);
}
/**
* @param kam
* @param kamEdges
* @return
* @throws InvalidArgument
*/
public static Kam intersection(Kam kam, List<KamEdge> kamEdges) throws InvalidArgument {
// Make sure that all the edges in the edge list are associated with the Kam
for (KamEdge kamEdge : kamEdges) {
if (!kamEdge.getKam().getKamInfo().equals(kam.getKamInfo())) {
throw new InvalidArgument("Kamedges do not reference the same Kam.");
}
}
// Check for edges in Kam1 that are also in the list
List<KamEdge> intersectionKamEdges = new ArrayList<KamEdge>();
for (KamEdge kamEdge : kamEdges) {
if (kam.contains(kamEdge)) {
intersectionKamEdges.add(kamEdge);
}
}
return union(kam, intersectionKamEdges);
}
/**
* @param kam1
* @param kam2
* @return
* @throws InvalidArgument
*/
public static Kam union(Kam kam1, Kam kam2) throws InvalidArgument {
if (!kam1.getKamInfo().equals(kam2.getKamInfo())) {
throw new InvalidArgument("Kam1 and Kam2 must reference the same kam in the KamStore");
}
Kam newKam = newInstance(kam1);
newKam.union(kam1.getEdges());
newKam.union(kam2.getEdges());
return newKam;
}
/**
* @param kam1
* @param kam2
* @return
* @throws InvalidArgument
*/
public static Kam difference(Kam kam1, Kam kam2) throws InvalidArgument {
if (!kam1.getKamInfo().equals(kam2.getKamInfo())) {
throw new InvalidArgument("Kam1 and Kam2 must reference the same kam in the KamStore");
}
List<KamEdge> kamEdges = new ArrayList<KamEdge>();
// First check for edges in Kam1 that are not in Kam2
for (KamEdge kamEdge : kam1.getEdges()) {
if (!kam2.contains(kamEdge)) {
kamEdges.add(kamEdge);
}
}
// Now check for edges in Kam2 that are not in Kam1
for (KamEdge kamEdge : kam2.getEdges()) {
if (!kam1.contains(kamEdge)) {
kamEdges.add(kamEdge);
}
}
// Create a new Kam with the difference set from both Kams
Kam newKam = newInstance(kam1);
newKam.union(kamEdges);
return newKam;
}
/**
* @param kam
* @param edgeFilter
* @return
* @throws InvalidArgument
*/
public static Kam filter(Kam kam, EdgeFilter edgeFilter) throws InvalidArgument {
Kam newKam = newInstance(kam);
newKam.union(kam.getEdges(edgeFilter));
return newKam;
}
/**
* @param kam
* @return
* @throws InvalidArgument Thrown if {@code kam} is null
*/
public static Kam newInstance(Kam kam) {
if (kam == null) {
throw new InvalidArgument("kam", kam);
}
return new KamImpl(kam.getKamInfo());
}
