How to use

advance

method

in

com.google.common.graph.EndpointPairIterator$Directed

 @Override
 protected EndpointPair<N> computeNext() {
  while (true) {
   if (successorIterator.hasNext()) {
    return EndpointPair.ordered(node, successorIterator.next());
   }
   if (!advance()) {
    return endOfData();
   }
  }
 }
}

 @Override
 protected EndpointPair<N> computeNext() {
  while (true) {
   if (successorIterator.hasNext()) {
    return EndpointPair.ordered(node, successorIterator.next());
   }
   if (!advance()) {
    return endOfData();
   }
  }
 }
}

 @Override
 protected EndpointPair<N> computeNext() {
  while (true) {
   if (successorIterator.hasNext()) {
    return EndpointPair.ordered(node, successorIterator.next());
   }
   if (!advance()) {
    return endOfData();
   }
  }
 }
}

 @Override
 protected EndpointPair<N> computeNext() {
  while (true) {
   if (successorIterator.hasNext()) {
    return EndpointPair.ordered(node, successorIterator.next());
   }
   if (!advance()) {
    return endOfData();
   }
  }
 }
}

 @Override
 protected EndpointPair<N> computeNext() {
  while (true) {
   if (successorIterator.hasNext()) {
    return EndpointPair.ordered(node, successorIterator.next());
   }
   if (!advance()) {
    return endOfData();
   }
  }
 }
}