private void checkStartup(
Map<String, ServiceData> map,
List<ServiceData> start,
ServiceData sd,
Set<ServiceData> cyclic) {
if (sd.after.isEmpty() || start.contains(sd)) return;
if (cyclic.contains(sd)) {
reporter.error("Cyclic dependency for " + sd.name);
return;
}
cyclic.add(sd);
for (String dependsOn : sd.after) {
if (dependsOn.equals("boot")) continue;
ServiceData deps = map.get(dependsOn);
if (deps == null) {
reporter.error("No such service " + dependsOn + " but " + sd.name + " depends on it");
} else {
checkStartup(map, start, deps, cyclic);
}
}
start.add(sd);
}
public Map<String, Revision> latest(Collection<Revision> list) {
Map<String, Revision> programs = new HashMap<String, Library.Revision>();
for (Revision r : list) {
String coordinates = r.groupId + ":" + r.artifactId;
if (r.classifier != null) coordinates += ":" + r.classifier;
if (r.groupId.equals(Library.SHA_GROUP)) continue;
Revision current = programs.get(coordinates);
if (current == null) programs.put(coordinates, r);
else {
// who is better?
if (compare(r, current) >= 0) programs.put(coordinates, r);
}
}
return programs;
}