VirtualTypeRelNode(int snumber, int dnumber, int rnumber) {
super(VirtualTypeRel.getVirtualTypeRel(TypeRel.this));
setValue("snumber", snumber);
setValue("dnumber", dnumber);
setValue("rnumber", rnumber);
values = Collections.unmodifiableMap(values); // make sure it is not changed any more!
}
SortedSet<MMObjectNode> getBySourceDestinationRole(int source, int destination, int role) {
// determine minimum value - corrects in case '-1' (common MMBase value for N.A.) is passed
int roleMin = role <= 0 ? 0 : role;
int destinationMin = destination <= 0 ? 0 : destination;
int sourceMin = source <= 0 ? 0 : source;
// determine maximum value
int roleMax = role <= 0 ? 0 : role + 1; // i.e. source, destination, role
int destinationMax =
role <= 0 ? destinationMin + 1 : destinationMin; // i.e. source, destination, 0
int sourceMax =
(destination <= 0 && role <= 0)
? (sourceMin <= 0 ? 0 : sourceMin + 1)
: sourceMin; // i.e. source, 0, 0
VirtualTypeRelNode fromTypeRelNode =
new VirtualTypeRelNode(sourceMin, destinationMin, roleMin);
VirtualTypeRelNode toTypeRelNode = new VirtualTypeRelNode(sourceMax, destinationMax, roleMax);
if (log.isDebugEnabled()) {
log.debug(" " + fromTypeRelNode + " " + toTypeRelNode);
}
SortedSet<MMObjectNode> allowed = subSet(fromTypeRelNode, toTypeRelNode);
return Collections.unmodifiableSortedSet(allowed);
}
SortedSet<MMObjectNode> getByDestinationSourceRole(int source, int destination, int role) {
// determine minimum value - corrects in case '-1' (common MMBase value for N.A.) is passed
int roleMin = role <= 0 ? 0 : role;
int sourceMin = source <= 0 ? 0 : source;
int destinationMin = destination <= 0 ? 0 : destination;
// determine maximum value
int roleMax = role <= 0 ? 0 : role + 1; // i.e. source, destination, role
int sourceMax =
role <= 0 ? (source <= 0 ? 0 : source + 1) : source; // i.e. source, destination, 0
int destinationMax =
(source <= 0 && role <= 0) ? destination + 1 : destination; // i.e. 0, destination, 0
final VirtualTypeRelNode fromTypeRelNode =
new VirtualTypeRelNode(sourceMin, destinationMin, roleMin);
final VirtualTypeRelNode toTypeRelNode =
new VirtualTypeRelNode(sourceMax, destinationMax, roleMax);
final SortedSet allowed = subSet(fromTypeRelNode, toTypeRelNode);
return Collections.unmodifiableSortedSet(allowed);
}
/**
* An enumeration of all allowed relations between two builders. No distinction is made between
* source and destination.
*/
public Enumeration<MMObjectNode> getAllowedRelations(int builder1, int builder2) {
Set<MMObjectNode> res =
getAllowedRelations(builder1, builder2, 0, RelationStep.DIRECTIONS_BOTH);
return Collections.enumeration(res);
}
public Enumeration<MMObjectNode> getAllowedRelations(int otype) {
Set<MMObjectNode> res = getAllowedRelations(otype, 0, 0, RelationStep.DIRECTIONS_BOTH);
return Collections.enumeration(res);
}