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Fix find fast if source is not root

This commit is contained in:
iMoHax
2015-07-02 13:07:02 +03:00
parent 17f4f1f60c
commit b5137de128
2 changed files with 39 additions and 2 deletions

View File

@@ -96,9 +96,10 @@ public class Crawler<T> {
setTarget(target);
if (count > 1 || s.isEntry(target)) {
int maxDeep = maxSize - (s.isEntry(target) ? graph.getMinJumps() * 2 : graph.getMinJumps());
if (maxDeep < 0) maxDeep = 0;
found = bfs(start(s), maxDeep, count);
} else {
found = dfs(start(s), t.get().getLevel() + 1, count);
found = dfs(start(s), Math.min(t.get().getLevel() + 1, s.getLevel()), count);
}
}
LOG.debug("Found {} paths", found);
@@ -168,7 +169,7 @@ public class Crawler<T> {
}
}
if (!stop && found < count){
if (deep < source.getLevel() && entry.size() < maxSize-1) {
if (deep <= source.getLevel() && entry.size() < maxSize-1) {
LOG.trace("Search around");
for (Edge<T> edge : entry.getEdges()) {
if (edge.getTarget().isSingle()) continue;

View File

@@ -260,6 +260,42 @@ public class CrawlerTest extends Assert {
}
@Test
public void testGetCustomPaths() throws Exception {
LOG.info("Start get custom paths");
//max distance 15.6, 1 jump tank
Ship ship = new Ship();
ship.setMass(18);ship.setTank(0.6);
Profile profile = new Profile(ship);
profile.setJumps(4);
LOG.info("Ship = {}, Jumps = {}", profile.getShip(), profile.getJumps());
ConnectibleGraph<Point> graph = new ConnectibleGraph<>(profile);
graph.build(x5, entrys);
// x5 <-> x4 <-> x3 - refill -> x2,
// x5 <-> x6 <-> x4 <-refill -> x2
// x5 <-> x3 <- refill -> x2
// x5 <-> x4 <- refill -> x6
SimpleCollector<Point> paths = new SimpleCollector<>();
CCrawler<Point> crawler = new CCrawler<>(graph, paths::add);
crawler.setStartFuel(0.3);
crawler.findMin(x3, x2);
assertPaths(paths.get(), PPath.of(x3, x2));
paths.clear();
crawler.findFast(x3, x2);
assertPaths(paths.get(), PPath.of(x3, x2));
paths.clear();
crawler.setStartFuel(0.6);
crawler.findMin(x6, x2);
assertPaths(paths.get(), PPath.of(x6, x4, x2));
paths.clear();
crawler.findFast(x6, x2);
assertPaths(paths.get(), PPath.of(x6, x4, x2));
paths.clear();
}
@After
public void tearDown() throws Exception {