-
- }
-
- protected boolean connectParent(ReadGraph g, UpdateNode node) throws DatabaseException {
-=======
- protected abstract UpdateNode createNode(Status staus, Resource r);
- protected abstract UpdateNode createNode(Status staus, UpdateOp op);
-
- private UpdateNode createNode(Resource r1, Resource r2) {
- UpdateNode node = null;
- if (r1 != null && r2 != null) {
- node = createNode(Status.EXIST, r1);
- nodes.put(r1, node);
- nodes.put(r2, node);
- } else if (r1 != null) {
- node = createNode(Status.DELETED ,updateOps.getUpdateOp(r1));
- nodes.put(r1, node);
- } else if (r2 != null) {
- node = createNode(Status.NEW, updateOps.getUpdateOp(r2));
- nodes.put(r2, node);
- }
- return node;
- }
-
- public UpdateNode addNode(ReadGraph g, Resource r1, Resource r2) throws DatabaseException {
- if (r1 != null && r2 != null) {
- return null;
- }
- if (nodes.containsKey(r1))
- return nodes.get(r1);
- if (nodes.containsKey(r2))
- return nodes.get(r2);
-
- UpdateNode node = createNode(r1, r2);
- connectParent(g,node);
- return node;
-