@Override
public final Incidence getNextIncidenceAtVertex(Graph traversalContext, Direction direction) {
Incidence i;
try {
i =
localGraphDatabase.getIncidenceObject(
storingGraphDatabase.getNextIncidenceIdAtVertexId(id));
} catch (RemoteException e) {
throw new RuntimeException(e);
}
if (traversalContext == null) {
while (((i != null)
&& (direction != null)
&& (direction != Direction.BOTH)
&& (direction != i.getDirection()))) {
i = i.getNextIncidenceAtVertex();
}
} else {
if ((direction != null) && (direction != Direction.BOTH)) {
while ((i != null)
&& ((!traversalContext.containsEdge(i.getEdge())) || (direction != i.getDirection()))) {
i = i.getNextIncidenceAtVertex();
}
} else {
while ((i != null) && (!traversalContext.containsEdge(i.getEdge()))) {
i = i.getNextIncidenceAtVertex();
}
}
}
return i;
}
@Override
public final Incidence getNextIncidenceAtVertex(Graph traversalContext) {
Incidence currentIncidence;
try {
long nextIncId = storingGraphDatabase.getNextIncidenceIdAtVertexId(id);
currentIncidence = localGraphDatabase.getIncidenceObject(nextIncId);
} catch (RemoteException e) {
throw new RuntimeException(e);
}
while ((traversalContext != null)
&& (currentIncidence != null)
&& (!traversalContext.containsEdge(currentIncidence.getEdge()))) {
currentIncidence = currentIncidence.getNextIncidenceAtVertex();
}
return currentIncidence;
}
@Override
public final Incidence getNextIncidenceAtVertex(Direction direction) {
if (getGraph().getTraversalContext() == null) {
Incidence i;
try {
i =
localGraphDatabase.getIncidenceObject(
storingGraphDatabase.getNextIncidenceIdAtVertexId(id));
} catch (RemoteException e) {
throw new RuntimeException(e);
}
if ((direction != null) && (direction != Direction.BOTH)) {
while ((i != null) && (direction != i.getDirection())) {
i = i.getNextIncidenceAtVertex();
}
}
return i;
} else {
return getNextIncidenceAtVertex(getGraph().getTraversalContext(), direction);
}
}