in maven2-server-impl/src/org/jetbrains/idea/maven/server/embedder/CustomWagonManager.java [104:132]
private boolean takeFromCache(Artifact artifact) {
String key = getKey(artifact);
Boolean wasResolved;
myCacheReadLock.lock();
try {
wasResolved = myResolutionCache.get(key);
if (wasResolved == null) return false;
}
finally {
myCacheReadLock.unlock();
}
boolean fileWasDeleted = wasResolved && !artifact.getFile().exists();
if (fileWasDeleted) {
myCacheWriteLock.lock();
try {
myResolutionCache.remove(key);
}
finally {
myCacheWriteLock.unlock();
}
return false; // need to resolve again
}
artifact.setResolved(wasResolved);
return true;
}