/**
* @param key Key.
* @param val Value.
* @param needVer If {@code true} version is required for loaded values.
* @param skipVals Skip values flag.
* @param c Closure.
*/
private void processLoaded(
KeyCacheObject key,
@Nullable Object val,
boolean needVer,
boolean skipVals,
GridInClosure3<KeyCacheObject, Object, GridCacheVersion> c) {
if (val != null) {
Object v;
GridCacheVersion ver;
if (needVer) {
T2<Object, GridCacheVersion> t = (T2) val;
v = t.get1();
ver = t.get2();
} else {
v = val;
ver = null;
}
if (skipVals && v == Boolean.FALSE)
c.apply(key, null, IgniteTxEntry.SER_READ_EMPTY_ENTRY_VER);
else c.apply(key, v, ver);
} else c.apply(key, null, IgniteTxEntry.SER_READ_EMPTY_ENTRY_VER);
}
/**
* @param key Removed key.
* @param ver Removed version.
* @throws IgniteCheckedException If failed.
*/
public void onDeferredDelete(KeyCacheObject key, GridCacheVersion ver)
throws IgniteCheckedException {
try {
T2<KeyCacheObject, GridCacheVersion> evicted = rmvQueue.add(new T2<>(key, ver));
if (evicted != null) cctx.dht().removeVersionedEntry(evicted.get1(), evicted.get2());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new IgniteInterruptedCheckedException(e);
}
}
/** {@inheritDoc} */
@Override
public void onDeferredDelete(GridCacheEntryEx entry, GridCacheVersion ver) {
assert entry.isNear();
try {
T2<KeyCacheObject, GridCacheVersion> evicted = rmvQueue.add(new T2<>(entry.key(), ver));
if (evicted != null) removeVersionedEntry(evicted.get1(), evicted.get2());
} catch (InterruptedException ignore) {
if (log.isDebugEnabled())
log.debug("Failed to enqueue deleted entry [key=" + entry.key() + ", ver=" + ver + ']');
Thread.currentThread().interrupt();
}
}
/**
* @param key Key.
* @param part Partition.
* @param locVals Local values.
* @return {@code True} if there is no need to further search value.
*/
private boolean localGet(KeyCacheObject key, int part, Map<K, V> locVals) {
assert cctx.affinityNode() : this;
GridDhtCacheAdapter<K, V> cache = cache();
while (true) {
GridCacheEntryEx entry;
try {
entry = cache.context().isSwapOrOffheapEnabled() ? cache.entryEx(key) : cache.peekEx(key);
// If our DHT cache do has value, then we peek it.
if (entry != null) {
boolean isNew = entry.isNewLocked();
CacheObject v = null;
GridCacheVersion ver = null;
if (needVer) {
T2<CacheObject, GridCacheVersion> res =
entry.innerGetVersioned(
null,
null,
/*swap*/ true,
/*unmarshal*/ true,
/** update-metrics */
false,
/*event*/ !skipVals,
subjId,
null,
taskName,
expiryPlc,
!deserializeBinary);
if (res != null) {
v = res.get1();
ver = res.get2();
}
} else {
v =
entry.innerGet(
null,
null,
/*swap*/ true,
/*read-through*/ false,
/** update-metrics */
false,
/*event*/ !skipVals,
/*temporary*/ false,
subjId,
null,
taskName,
expiryPlc,
!deserializeBinary);
}
cache.context().evicts().touch(entry, topVer);
// Entry was not in memory or in swap, so we remove it from cache.
if (v == null) {
if (isNew && entry.markObsoleteIfEmpty(ver)) cache.removeEntry(entry);
} else {
cctx.addResult(
locVals, key, v, skipVals, keepCacheObjects, deserializeBinary, true, ver);
return true;
}
}
boolean topStable = cctx.isReplicated() || topVer.equals(cctx.topology().topologyVersion());
// Entry not found, do not continue search if topology did not change and there is no store.
if (!cctx.readThroughConfigured() && (topStable || partitionOwned(part))) {
if (!skipVals && cctx.config().isStatisticsEnabled()) cache.metrics0().onRead(false);
return true;
}
return false;
} catch (GridCacheEntryRemovedException ignored) {
// No-op, will retry.
} catch (GridDhtInvalidPartitionException ignored) {
return false;
} catch (IgniteCheckedException e) {
onDone(e);
return true;
}
}
}