/** {@inheritDoc} */
@Override
protected IgniteBiTuple<Long, List<IgniteExceptionRegistry.ExceptionInfo>> run(
Map<UUID, Long> arg) {
Long lastOrder = arg.get(ignite.localNode().id());
long order = lastOrder != null ? lastOrder : 0;
List<IgniteExceptionRegistry.ExceptionInfo> errors =
ignite.context().exceptionRegistry().getErrors(order);
List<IgniteExceptionRegistry.ExceptionInfo> wrapped = new ArrayList<>(errors.size());
for (IgniteExceptionRegistry.ExceptionInfo error : errors) {
if (error.order() > order) order = error.order();
wrapped.add(
new IgniteExceptionRegistry.ExceptionInfo(
error.order(),
new VisorExceptionWrapper(error.error()),
error.message(),
error.threadId(),
error.threadName(),
error.time()));
}
return new IgniteBiTuple<>(order, wrapped);
}
/**
* Helper function to get value from map.
*
* @param map Map to take value from.
* @param key Key to search in map.
* @param ifNull Default value if {@code null} was returned by map.
* @param <K> Key type.
* @param <V> Value type.
* @return Value from map or default value if map return {@code null}.
*/
public static <K, V> V getOrElse(Map<K, V> map, K key, V ifNull) {
assert map != null;
V res = map.get(key);
return res != null ? res : ifNull;
}
/**
* Cache preloader should call this method within partition lock.
*
* @param key Key.
* @param ver Version.
* @return {@code True} if preloading is permitted.
*/
public boolean preloadingPermitted(KeyCacheObject key, GridCacheVersion ver) {
assert key != null;
assert ver != null;
assert lock.isHeldByCurrentThread(); // Only one thread can enter this method at a time.
if (state() != MOVING) return false;
Map<KeyCacheObject, GridCacheVersion> evictHist0 = evictHist;
if (evictHist0 != null) {
GridCacheVersion ver0 = evictHist0.get(key);
// Permit preloading if version in history
// is missing or less than passed in.
return ver0 == null || ver0.isLess(ver);
}
return false;
}
/**
* @param key Key.
* @param ver Version.
*/
public void onEntryEvicted(KeyCacheObject key, GridCacheVersion ver) {
assert key != null;
assert ver != null;
assert lock.isHeldByCurrentThread(); // Only one thread can enter this method at a time.
if (state() != MOVING) return;
Map<KeyCacheObject, GridCacheVersion> evictHist0 = evictHist;
if (evictHist0 != null) {
GridCacheVersion ver0 = evictHist0.get(key);
if (ver0 == null || ver0.isLess(ver)) {
GridCacheVersion ver1 = evictHist0.put(key, ver);
assert ver1 == ver0;
}
}
}
/** {@inheritDoc} */
@Override
public boolean isCacheTopologyValid(GridCacheContext cctx) {
return cctx.config().getTopologyValidator() != null && cacheValidRes.containsKey(cctx.cacheId())
? cacheValidRes.get(cctx.cacheId())
: true;
}