@Override
public CompletableFuture<Void> visitGetKeysInGroupCommand(
final InvocationContext ctx, GetKeysInGroupCommand command) throws Throwable {
final String groupName = command.getGroupName();
if (!command.isGroupOwner()) {
return ctx.continueInvocation();
}
final KeyFilter<Object> keyFilter =
new CompositeKeyFilter<>(
new GroupFilter<>(groupName, groupManager),
new CollectionKeyFilter<>(ctx.getLookedUpEntries().keySet()));
dataContainer.executeTask(
keyFilter,
(o, internalCacheEntry) -> {
synchronized (ctx) {
// the process can be made in multiple threads, so we need to synchronize in the
// context.
entryFactory.wrapExternalEntry(
ctx,
internalCacheEntry.getKey(),
internalCacheEntry,
EntryFactory.Wrap.STORE,
false);
}
});
return ctx.continueInvocation();
}
protected final void commitContextEntries(
InvocationContext ctx, FlagAffectedCommand command, Metadata metadata) {
final Flag stateTransferFlag = extractStateTransferFlag(ctx, command);
if (stateTransferFlag == null) {
// it is a normal operation
stopStateTransferIfNeeded(command);
}
if (ctx instanceof SingleKeyNonTxInvocationContext) {
SingleKeyNonTxInvocationContext singleKeyCtx = (SingleKeyNonTxInvocationContext) ctx;
commitEntryIfNeeded(ctx, command, singleKeyCtx.getCacheEntry(), stateTransferFlag, metadata);
} else {
Set<Map.Entry<Object, CacheEntry>> entries = ctx.getLookedUpEntries().entrySet();
Iterator<Map.Entry<Object, CacheEntry>> it = entries.iterator();
final Log log = getLog();
while (it.hasNext()) {
Map.Entry<Object, CacheEntry> e = it.next();
CacheEntry entry = e.getValue();
if (!commitEntryIfNeeded(ctx, command, entry, stateTransferFlag, metadata)) {
if (trace) {
if (entry == null)
log.tracef("Entry for key %s is null : not calling commitUpdate", toStr(e.getKey()));
else
log.tracef(
"Entry for key %s is not changed(%s): not calling commitUpdate",
toStr(e.getKey()), entry);
}
}
}
}
}
public void testWriteLockIsAcquired() throws Exception {
advancedCache.put("k", "v");
assertNotLocked(advancedCache, "k");
tm.begin();
advancedCache.withFlags(Flag.FORCE_WRITE_LOCK).get("k");
InvocationContext ic = advancedCache.getInvocationContextContainer().getInvocationContext(true);
CacheEntry cacheEntry = ic.getLookedUpEntries().get("k");
assert (cacheEntry instanceof ReadCommittedEntry && cacheEntry.isChanged());
assertLocked(advancedCache, "k");
tm.commit();
assertNotLocked(advancedCache, "k");
}