public void removeFrom(ObjectContainer container) {
container.activate(data, 1);
data.removeFrom(container);
container.activate(targetURI, 5);
targetURI.removeFrom(container);
container.delete(this);
}
public void realRemoveFrom(ObjectContainer container) {
synchronized (this) {
if (reallyRemoved) Logger.error(this, "Calling realRemoveFrom() twice on " + this);
reallyRemoved = true;
}
bucket.removeFrom(container);
container.delete(this);
}
public void freeData(ObjectContainer container, boolean persistForever) {
if (data != null) {
if (persistForever) container.activate(data, 1);
data.free();
if (persistForever) data.removeFrom(container);
data = null;
}
if (persistForever) container.delete(this);
}
@Override
protected void freeData(ObjectContainer container) {
Bucket data;
synchronized (this) {
data = returnBucket;
returnBucket = null;
}
if (data != null) {
if (persistenceType == PERSIST_FOREVER) container.activate(data, 5);
data.free();
if (persistenceType == PERSIST_FOREVER) data.removeFrom(container);
if (persistenceType == PERSIST_FOREVER) container.store(this);
}
}
@Override
public void onSuccess(Object keyNum, ObjectContainer container, ClientContext context) {
if (logMINOR) Logger.minor(this, "Succeeded (" + this + "): " + token);
if (persistent) container.activate(parent, 1);
if (parent.isCancelled()) {
fail(new InsertException(InsertException.CANCELLED), container, context);
return;
}
synchronized (this) {
if (extraInserts > 0) {
if (++completedInserts <= extraInserts) {
if (logMINOR)
Logger.minor(
this,
"Completed inserts "
+ completedInserts
+ " of extra inserts "
+ extraInserts
+ " on "
+ this);
if (persistent) container.store(this);
return; // Let it repeat until we've done enough inserts. It hasn't been unregistered yet.
}
}
if (finished) {
// Normal with persistence.
Logger.normal(this, "Block already completed: " + this);
return;
}
finished = true;
}
if (persistent) {
container.store(this);
container.activate(sourceData, 1);
}
if (freeData) {
sourceData.free();
if (persistent) sourceData.removeFrom(container);
sourceData = null;
if (persistent) container.store(this);
}
parent.completedBlock(false, container, context);
unregister(container, context, getPriorityClass(container));
if (persistent) container.activate(cb, 1);
if (logMINOR) Logger.minor(this, "Calling onSuccess for " + cb);
cb.onSuccess(this, container, context);
if (persistent) container.deactivate(cb, 1);
}
/**
* Must be called just after construction, but within a transaction.
*
* @throws IdentifierCollisionException If the identifier is already in use.
*/
@Override
void register(ObjectContainer container, boolean noTags) throws IdentifierCollisionException {
if (client != null) assert (this.persistenceType == client.persistenceType);
if (persistenceType != PERSIST_CONNECTION)
try {
client.register(this, container);
} catch (IdentifierCollisionException e) {
returnBucket.free();
if (persistenceType == PERSIST_FOREVER) returnBucket.removeFrom(container);
throw e;
}
if (persistenceType != PERSIST_CONNECTION && !noTags) {
FCPMessage msg = persistentTagMessage(container);
client.queueClientRequestMessage(msg, 0, container);
}
}
public void removeFrom(ObjectContainer container, ClientContext context) {
if (logMINOR) Logger.minor(this, "removeFrom() on " + this);
container.activate(uri, 5);
uri.removeFrom(container);
if (resultingURI != null) {
container.activate(resultingURI, 5);
resultingURI.removeFrom(container);
}
// cb, parent are responsible for removing themselves
// ctx is passed in and unmodified - usually the ClientPutter removes it
container.activate(errors, 5);
errors.removeFrom(container);
if (freeData && sourceData != null && container.ext().isStored(sourceData)) {
Logger.error(this, "Data not removed!");
container.activate(sourceData, 1);
sourceData.removeFrom(container);
}
container.delete(this);
}
private void fail(
InsertException e, boolean forceFatal, ObjectContainer container, ClientContext context) {
synchronized (this) {
if (finished) return;
finished = true;
}
if (persistent) container.store(this);
if (e.isFatal() || forceFatal) parent.fatallyFailedBlock(container, context);
else parent.failedBlock(container, context);
unregister(container, context, getPriorityClass(container));
if (freeData) {
if (persistent) container.activate(sourceData, 1);
sourceData.free();
if (persistent) sourceData.removeFrom(container);
sourceData = null;
if (persistent) container.store(this);
}
if (persistent) container.activate(cb, 1);
cb.onFailure(e, this, container, context);
}
protected void onSuccess(
Bucket data,
boolean fromStore,
Integer token,
int blockNo,
ClientKeyBlock block,
ObjectContainer container,
ClientContext context) {
if (persistent) {
container.activate(this, 1);
container.activate(segment, 1);
container.activate(parent, 1);
}
if (parent.isCancelled()) {
data.free();
if (persistent) data.removeFrom(container);
onFailure(new FetchException(FetchException.CANCELLED), token, container, context);
return;
}
segment.onSuccess(data, blockNo, block, container, context, this);
}
public void cancel(ObjectContainer container, ClientContext context) {
synchronized (this) {
if (finished) return;
finished = true;
}
boolean wasActive = true;
if (persistent) {
container.store(this);
wasActive = container.ext().isActive(cb);
if (!wasActive) container.activate(cb, 1);
container.activate(sourceData, 1);
}
if (freeData) {
sourceData.free();
if (persistent) sourceData.removeFrom(container);
sourceData = null;
if (persistent) container.store(this);
}
super.unregister(container, context, getPriorityClass(container));
cb.onFailure(new InsertException(InsertException.CANCELLED), this, container, context);
if (!wasActive) container.deactivate(cb, 1);
}
@Override
public void removeFrom(ObjectContainer container) {
underlying.removeFrom(container);
container.delete(this);
}
public void onSuccess(FetchResult result, ClientGetter state, ObjectContainer container) {
Logger.minor(this, "Succeeded: " + identifier);
Bucket data = result.asBucket();
if (persistenceType == PERSIST_FOREVER) {
if (data != null) container.activate(data, 5);
if (returnBucket != null) container.activate(returnBucket, 5);
container.activate(client, 1);
if (tempFile != null) container.activate(tempFile, 5);
if (targetFile != null) container.activate(targetFile, 5);
}
if (returnBucket != data && !binaryBlob) {
boolean failed = true;
synchronized (this) {
if (finished) {
Logger.error(
this,
"Already finished but onSuccess() for " + this + " data = " + data,
new Exception("debug"));
data.free();
if (persistenceType == PERSIST_FOREVER) data.removeFrom(container);
return; // Already failed - bucket error maybe??
}
if (returnType == ClientGetMessage.RETURN_TYPE_DIRECT && returnBucket == null) {
// Lost bucket for some reason e.g. bucket error (caused by IOException) on previous try??
// Recover...
returnBucket = data;
failed = false;
}
}
if (failed && persistenceType == PERSIST_FOREVER) {
if (container.ext().getID(returnBucket) == container.ext().getID(data)) {
Logger.error(
this,
"DB4O BUG DETECTED WITHOUT ARRAY HANDLING! EVIL HORRIBLE BUG! UID(returnBucket)="
+ container.ext().getID(returnBucket)
+ " for "
+ returnBucket
+ " active="
+ container.ext().isActive(returnBucket)
+ " stored = "
+ container.ext().isStored(returnBucket)
+ " but UID(data)="
+ container.ext().getID(data)
+ " for "
+ data
+ " active = "
+ container.ext().isActive(data)
+ " stored = "
+ container.ext().isStored(data));
// Succeed anyway, hope that the returned bucket is consistent...
returnBucket = data;
failed = false;
}
}
if (failed) {
Logger.error(
this,
"returnBucket = " + returnBucket + " but onSuccess() data = " + data,
new Exception("debug"));
// Caller guarantees that data == returnBucket
onFailure(
new FetchException(FetchException.INTERNAL_ERROR, "Data != returnBucket"),
null,
container);
return;
}
}
boolean dontFree = false;
// FIXME I don't think this is a problem in this case...? (Disk write while locked..)
AllDataMessage adm = null;
synchronized (this) {
if (succeeded) {
Logger.error(this, "onSuccess called twice for " + this + " (" + identifier + ')');
return; // We might be called twice; ignore it if so.
}
started = true;
if (!binaryBlob) this.foundDataMimeType = result.getMimeType();
else this.foundDataMimeType = BinaryBlob.MIME_TYPE;
if (returnType == ClientGetMessage.RETURN_TYPE_DIRECT) {
// Send all the data at once
// FIXME there should be other options
// FIXME: CompletionTime is set on finish() : we need to give it current time here
// but it means we won't always return the same value to clients... Does it matter ?
adm =
new AllDataMessage(
returnBucket,
identifier,
global,
startupTime,
System.currentTimeMillis(),
this.foundDataMimeType);
if (persistenceType == PERSIST_CONNECTION) adm.setFreeOnSent();
dontFree = true;
/*
* } else if(returnType == ClientGetMessage.RETURN_TYPE_NONE) {
// Do nothing
*/
} else if (returnType == ClientGetMessage.RETURN_TYPE_DISK) {
// Write to temp file, then rename over filename
if (!FileUtil.renameTo(tempFile, targetFile)) {
postFetchProtocolErrorMessage =
new ProtocolErrorMessage(
ProtocolErrorMessage.COULD_NOT_RENAME_FILE, false, null, identifier, global);
// Don't delete temp file, user might want it.
}
returnBucket = new FileBucket(targetFile, false, true, false, false, false);
}
if (persistenceType == PERSIST_FOREVER && progressPending != null) {
container.activate(progressPending, 1);
progressPending.removeFrom(container);
}
progressPending = null;
this.foundDataLength = returnBucket.size();
this.succeeded = true;
finished = true;
}
trySendDataFoundOrGetFailed(null, container);
if (adm != null) trySendAllDataMessage(adm, null, container);
if (!dontFree) {
data.free();
}
if (persistenceType == PERSIST_FOREVER) {
returnBucket.storeTo(container);
container.store(this);
}
finish(container);
if (client != null) client.notifySuccess(this, container);
}
