void setNextIncidenceAtEdge(IncidenceProxy nextIncidenceAtEdge) {
((GraphDatabaseBaseImpl) storingGraphDatabase)
.setNextIncidenceIdAtEdge(id, nextIncidenceAtEdge.getGlobalId());
}
void setPreviousIncidenceAtEdge(IncidenceProxy previousIncidenceAtEdge) {
((GraphDatabaseBaseImpl) storingGraphDatabase)
.setPreviousIncidenceIdAtEdge(id, previousIncidenceAtEdge.getGlobalId());
}
void setPreviousIncidenceAtVertex(IncidenceProxy previousIncidenceAtVertex) {
((GraphDatabaseBaseImpl) storingGraphDatabase)
.setPreviousIncidenceIdAtVertex(id, previousIncidenceAtVertex.getGlobalId());
}