@Override
protected void commitContextEntry(
CacheEntry entry,
InvocationContext ctx,
FlagAffectedCommand command,
Metadata metadata,
Flag stateTransferFlag,
boolean l1Invalidation) {
if (ctx.isInTxScope() && stateTransferFlag == null) {
Metadata commitMetadata;
// If user provided version, use it, otherwise generate/increment accordingly
ClusteredRepeatableReadEntry clusterMvccEntry = (ClusteredRepeatableReadEntry) entry;
EntryVersion existingVersion = clusterMvccEntry.getMetadata().version();
EntryVersion newVersion;
if (existingVersion == null) {
newVersion = versionGenerator.generateNew();
} else {
newVersion = versionGenerator.increment((IncrementableEntryVersion) existingVersion);
}
if (metadata == null)
commitMetadata = new EmbeddedMetadata.Builder().version(newVersion).build();
else commitMetadata = metadata.builder().version(newVersion).build();
cdl.commitEntry(entry, commitMetadata, command, ctx, null, l1Invalidation);
} else {
// This could be a state transfer call!
cdl.commitEntry(entry, entry.getMetadata(), command, ctx, stateTransferFlag, l1Invalidation);
}
}
private void raiseEventForInitialTransfer(UUID identifier, CacheEntry entry, boolean clustered) {
EventImpl preEvent;
if (clustered) {
// In clustered mode we only send post event
preEvent = null;
} else {
preEvent = EventImpl.createEvent(cache, CACHE_ENTRY_CREATED);
preEvent.setKey(entry.getKey());
preEvent.setPre(true);
}
EventImpl postEvent = EventImpl.createEvent(cache, CACHE_ENTRY_CREATED);
postEvent.setKey(entry.getKey());
postEvent.setValue(entry.getValue());
postEvent.setMetadata(entry.getMetadata());
postEvent.setPre(false);
for (CacheEntryListenerInvocation<K, V> invocation : cacheEntryCreatedListeners) {
// Now notify all our methods of the creates
if (invocation.getIdentifier() == identifier) {
if (preEvent != null) {
// Non clustered notifications are done twice
invocation.invokeNoChecks(preEvent, true, true);
}
invocation.invokeNoChecks(postEvent, true, true);
}
}
}
private void configureEvent(
EventImpl<K, V> e,
K key,
V value,
boolean pre,
InvocationContext ctx,
FlagAffectedCommand command,
V previousValue,
Metadata previousMetadata) {
boolean originLocal = ctx.isOriginLocal();
e.setOriginLocal(originLocal);
e.setValue(pre ? previousValue : value);
e.setPre(pre);
e.setOldValue(previousValue);
e.setOldMetadata(previousMetadata);
CacheEntry entry = ctx.lookupEntry(key);
if (entry != null) {
e.setMetadata(entry.getMetadata());
}
Set<Flag> flags;
if (command != null
&& (flags = command.getFlags()) != null
&& flags.contains(Flag.COMMAND_RETRY)) {
e.setCommandRetried(true);
}
e.setKey(key);
setTx(ctx, e);
}
protected Object performRemove(CacheEntry e, InvocationContext ctx) {
final Object removedValue = e.getValue();
notify(ctx, removedValue, e.getMetadata(), true);
e.setRemoved(true);
e.setValid(false);
e.setChanged(true);
if (valueMatcher != ValueMatcher.MATCH_EXPECTED_OR_NEW) {
return isConditional() ? true : removedValue;
} else {
// Return the expected value when retrying
return isConditional() ? true : value;
}
}
@Override
protected void commitSingleEntry(
CacheEntry entry,
Metadata metadata,
FlagAffectedCommand command,
InvocationContext ctx,
Flag trackFlag,
boolean l1Invalidation) {
// Don't allow the CH to change (and state transfer to invalidate entries)
// between the ownership check and the commit
stateTransferLock.acquireSharedTopologyLock();
try {
boolean doCommit = true;
// ignore locality for removals, even if skipOwnershipCheck is not true
boolean skipOwnershipCheck = command != null && command.hasFlag(Flag.SKIP_OWNERSHIP_CHECK);
boolean isForeignOwned = !skipOwnershipCheck && !localNodeIsOwner(entry.getKey());
if (isForeignOwned && !entry.isRemoved()) {
if (configuration.clustering().l1().enabled()) {
// transform for L1
long lifespan;
if (metadata != null) {
lifespan = metadata.lifespan();
} else {
lifespan = entry.getLifespan();
}
if (lifespan < 0 || lifespan > configuration.clustering().l1().lifespan()) {
Metadata.Builder builder;
if (metadata != null) {
builder = metadata.builder();
} else {
builder = entry.getMetadata().builder();
}
metadata = builder.lifespan(configuration.clustering().l1().lifespan()).build();
}
} else {
doCommit = false;
}
}
boolean created = false;
boolean removed = false;
boolean expired = false;
if (!isForeignOwned) {
created = entry.isCreated();
removed = entry.isRemoved();
if (removed && entry instanceof MVCCEntry) {
expired = ((MVCCEntry) entry).isExpired();
}
}
if (doCommit) {
InternalCacheEntry previousEntry = dataContainer.peek(entry.getKey());
Object previousValue = null;
Metadata previousMetadata = null;
if (previousEntry != null) {
previousValue = previousEntry.getValue();
previousMetadata = previousEntry.getMetadata();
}
commitManager.commit(entry, metadata, trackFlag, l1Invalidation);
if (!isForeignOwned) {
notifyCommitEntry(
created, removed, expired, entry, ctx, command, previousValue, previousMetadata);
}
} else entry.rollback();
} finally {
stateTransferLock.releaseSharedTopologyLock();
}
}
protected void notifyCommitEntry(
boolean created,
boolean removed,
boolean expired,
CacheEntry entry,
InvocationContext ctx,
FlagAffectedCommand command,
Object previousValue,
Metadata previousMetadata) {
boolean isWriteOnly =
(command instanceof WriteCommand) && ((WriteCommand) command).isWriteOnly();
if (removed) {
if (command instanceof RemoveCommand) {
((RemoveCommand) command).notify(ctx, previousValue, previousMetadata, false);
} else {
if (expired) {
notifier.notifyCacheEntryExpired(entry.getKey(), previousValue, previousMetadata, ctx);
} else {
notifier.notifyCacheEntryRemoved(
entry.getKey(), previousValue, previousMetadata, false, ctx, command);
}
// A write-only command only writes and so can't 100% guarantee
// to be able to retrieve previous value when removed, so only
// send remove event when the command is read-write.
if (!isWriteOnly)
functionalNotifier.notifyOnRemove(
EntryViews.readOnly(entry.getKey(), previousValue, previousMetadata));
functionalNotifier.notifyOnWrite(() -> EntryViews.noValue(entry.getKey()));
}
} else {
// Notify entry event after container has been updated
if (created) {
notifier.notifyCacheEntryCreated(
entry.getKey(), entry.getValue(), entry.getMetadata(), false, ctx, command);
// A write-only command only writes and so can't 100% guarantee
// that an entry has been created, so only send create event
// when the command is read-write.
if (!isWriteOnly) functionalNotifier.notifyOnCreate(EntryViews.readOnly(entry));
functionalNotifier.notifyOnWrite(() -> EntryViews.readOnly(entry));
} else {
notifier.notifyCacheEntryModified(
entry.getKey(),
entry.getValue(),
entry.getMetadata(),
previousValue,
previousMetadata,
false,
ctx,
command);
// A write-only command only writes and so can't 100% guarantee
// that an entry has been created, so only send modify when the
// command is read-write.
if (!isWriteOnly)
functionalNotifier.notifyOnModify(
EntryViews.readOnly(entry.getKey(), previousValue, previousMetadata),
EntryViews.readOnly(entry));
functionalNotifier.notifyOnWrite(() -> EntryViews.readOnly(entry));
}
}
}