protected ClientKeyBlock encode(
ObjectContainer container, ClientContext context, boolean calledByCB) throws InsertException {
if (persistent) {
container.activate(sourceData, 1);
container.activate(cb, 1);
}
ClientKeyBlock block;
boolean shouldSend;
synchronized (this) {
if (finished) return null;
if (sourceData == null) {
Logger.error(this, "Source data is null on " + this + " but not finished!");
return null;
}
block = innerEncode(context.random, container);
shouldSend = (resultingURI == null);
resultingURI = block.getClientKey().getURI();
}
if (logMINOR)
Logger.minor(
this,
"Encoded "
+ resultingURI
+ " for "
+ this
+ " shouldSend="
+ shouldSend
+ " dontSendEncoded="
+ dontSendEncoded);
if (shouldSend && !dontSendEncoded) cb.onEncode(block.getClientKey(), this, container, context);
if (shouldSend && persistent) container.store(this);
if (persistent && !calledByCB) container.deactivate(cb, 1);
return block;
}
public void schedule(ObjectContainer container, ClientContext context) throws InsertException {
synchronized (this) {
if (finished) {
if (logMINOR) Logger.minor(this, "Finished already: " + this);
return;
}
}
if (getCHKOnly) {
boolean deactivateCB = false;
if (persistent) {
deactivateCB = !container.ext().isActive(cb);
if (deactivateCB) container.activate(cb, 1);
container.activate(parent, 1);
}
ClientKeyBlock block = encode(container, context, true);
cb.onEncode(block.getClientKey(), this, container, context);
parent.completedBlock(false, container, context);
cb.onSuccess(this, container, context);
finished = true;
if (persistent) {
container.store(this);
if (deactivateCB) container.deactivate(cb, 1);
}
} else {
getScheduler(context).registerInsert(this, persistent, true, container);
}
}
@Override
protected FCPMessage persistentTagMessage(ObjectContainer container) {
if (persistenceType == PERSIST_FOREVER) {
container.activate(uri, 5);
container.activate(fctx, 1);
container.activate(client, 1);
container.activate(targetFile, 5);
container.activate(tempFile, 5);
}
return new PersistentGet(
identifier,
uri,
verbosity,
priorityClass,
returnType,
persistenceType,
targetFile,
tempFile,
clientToken,
client.isGlobalQueue,
started,
fctx.maxNonSplitfileRetries,
binaryBlob,
fctx.maxOutputLength);
}
protected ClientKeyBlock innerEncode(RandomSource random, ObjectContainer container)
throws InsertException {
if (persistent) {
container.activate(uri, 1);
container.activate(sourceData, 1);
}
try {
return innerEncode(
random,
uri,
sourceData,
isMetadata,
compressionCodec,
sourceLength,
ctx.compressorDescriptor);
} catch (KeyEncodeException e) {
Logger.error(SingleBlockInserter.class, "Caught " + e, e);
throw new InsertException(InsertException.INTERNAL_ERROR, e, null);
} catch (MalformedURLException e) {
throw new InsertException(InsertException.INVALID_URI, e, null);
} catch (IOException e) {
Logger.error(SingleBlockInserter.class, "Caught " + e + " encoding data " + sourceData, e);
throw new InsertException(InsertException.BUCKET_ERROR, e, null);
} catch (InvalidCompressionCodecException e) {
throw new InsertException(InsertException.INTERNAL_ERROR, e, null);
}
}
private void trySendDataFoundOrGetFailed(
FCPConnectionOutputHandler handler, ObjectContainer container) {
FCPMessage msg;
// Don't need to lock. succeeded is only ever set, never unset.
// and succeeded and getFailedMessage are both atomic.
if (succeeded) {
msg = new DataFoundMessage(foundDataLength, foundDataMimeType, identifier, global);
} else {
msg = getFailedMessage;
if (persistenceType == PERSIST_FOREVER) container.activate(msg, 5);
}
if (handler == null && persistenceType == PERSIST_CONNECTION)
handler = origHandler.outputHandler;
if (handler != null) handler.queue(msg);
else client.queueClientRequestMessage(msg, 0, container);
if (postFetchProtocolErrorMessage != null) {
if (persistenceType == PERSIST_FOREVER) container.activate(postFetchProtocolErrorMessage, 5);
if (handler != null) handler.queue(postFetchProtocolErrorMessage);
else {
if (persistenceType == PERSIST_FOREVER) container.activate(client, 1);
client.queueClientRequestMessage(postFetchProtocolErrorMessage, 0, container);
}
}
}
@Override
public void sendPendingMessages(
FCPConnectionOutputHandler handler,
boolean includePersistentRequest,
boolean includeData,
boolean onlyData,
ObjectContainer container) {
if (persistenceType == ClientRequest.PERSIST_CONNECTION) {
Logger.error(this, "WTF? persistenceType=" + persistenceType, new Exception("error"));
return;
}
if (!onlyData) {
if (includePersistentRequest) {
FCPMessage msg = persistentTagMessage(container);
handler.queue(msg);
}
if (progressPending != null) {
if (persistenceType == PERSIST_FOREVER) container.activate(progressPending, 5);
handler.queue(progressPending);
}
if (sentToNetwork) handler.queue(new SendingToNetworkMessage(identifier, global));
if (finished) trySendDataFoundOrGetFailed(handler, container);
}
if (onlyData && allDataPending == null) {
Logger.error(this, "No data pending !");
}
if (includeData && (allDataPending != null)) {
if (persistenceType == PERSIST_FOREVER) container.activate(allDataPending, 5);
handler.queue(allDataPending);
}
}
public void removeFrom(ObjectContainer container) {
container.activate(data, 1);
data.removeFrom(container);
container.activate(targetURI, 5);
targetURI.removeFrom(container);
container.delete(this);
}
public static boolean deleteRegistration(final RegisterContextRequest rcrNew) {
List<RegisterContextRequest> results;
final String updateRegId = rcrNew.getRegistrationId();
results =
db.query(
new Predicate<RegisterContextRequest>() {
public boolean match(RegisterContextRequest req) {
String storedRegID = req.getRegistrationId();
if (storedRegID.equals(updateRegId)) {
return true;
}
return false;
}
});
if (results.size() > 0) {
RegisterContextRequest found = results.get(0);
System.out.println("Deleting registration");
db.delete(found);
db.commit();
return true;
}
return false;
}
@Override
public ClientKey getKey(Object token, ObjectContainer container) {
if (persistent) {
container.activate(this, 1);
container.activate(segment, 1);
}
synchronized (segment) {
if (cancelled) {
if (logMINOR)
Logger.minor(this, "Segment is finishing when getting key " + token + " on " + this);
return null;
}
ClientKey key = segment.getBlockKey(((MySendableRequestItem) token).x, container);
if (key == null) {
if (segment.isFinished(container)) {
Logger.error(this, "Segment finished but didn't tell us! " + this);
} else if (segment.isFinishing(container)) {
Logger.error(this, "Segment finishing but didn't tell us! " + this);
} else {
Logger.error(
this,
"Segment not finishing yet still returns null for getKey()!: "
+ token
+ " for "
+ this,
new Exception("debug"));
}
}
return key;
}
}
@Override
public void requeueAfterCooldown(
Key key, long time, ObjectContainer container, ClientContext context) {
MyCooldownTrackerItem tracker = makeCooldownTrackerItem(container, context);
if (tracker.cooldownWakeupTime > time) {
if (logMINOR) Logger.minor(this, "Not requeueing as deadline has not passed yet");
return;
}
if (isEmpty(container)) {
if (logMINOR) Logger.minor(this, "Not requeueing as cancelled or finished");
return;
}
if (persistent) container.activate(this.key, 5);
if (!(key.equals(this.key.getNodeKey(false)))) {
Logger.error(
this,
"Got requeueAfterCooldown for wrong key: "
+ key
+ " but mine is "
+ this.key.getNodeKey(false)
+ " for "
+ this.key);
return;
}
if (logMINOR) Logger.minor(this, "Requeueing after cooldown " + key + " for " + this);
reschedule(container, context);
if (persistent) container.deactivate(this.key, 5);
}
@Override
public void executeInObjectContainer(ObjectContainer objectContainer) {
ObjectSet<Training> trainings = objectContainer.query(Training.class);
while (trainings.hasNext()) {
objectContainer.delete(trainings.next());
}
}
public static synchronized boolean StopTransaction() {
if (Opened && !isCanceled()) {
try {
session.store(transaction);
session.commit();
} catch (Exception e) {
CancelTransaction("Finishing transaction error", "error in storing transaction");
Opened = false;
return false;
}
for (Command c : transaction.getCommands())
if (c.getTargetLayer().toString().equals(CommandTargetLayer.VIEW.toString()))
((ModelMusts) c.getSource())
.notifyObjectListener(
c.getSource(),
c.getType(),
c.getoldObjectID(),
c.getoldObject(),
c.getObject(),
c.getoldNeiborID(),
c.getOldNeibor(),
c.getNeibor());
Opened = false;
return true;
} else Opened = false;
return false;
}
/**
* Terminate a subsegment. Called by the segment, which will have already removed the subsegment
* from the list. Will delete the object from the database if persistent.
*/
public void kill(
ObjectContainer container,
ClientContext context,
boolean dontDeactivateSeg,
boolean cancelledAlready) {
if (persistent) {
container.activate(segment, 1);
container.activate(blockNums, 1);
}
if (logMINOR) Logger.minor(this, "Killing " + this);
// Do unregister() first so can get and unregister each key and avoid a memory leak
unregister(container, context, getPriorityClass(container));
Integer[] oldNums = null;
synchronized (segment) {
if (cancelledAlready) {
if (!cancelled) {
Logger.error(this, "Should be cancelled already! " + this, new Exception("error"));
cancelled = true;
}
if (!blockNums.isEmpty())
Logger.error(
this, "Block nums not empty! on " + this + " : " + blockNums, new Exception("error"));
} else {
if (cancelled) return;
cancelled = true;
}
if (persistent) oldNums = blockNums.toArray(new Integer[blockNums.size()]);
blockNums.clear();
}
if (persistent && oldNums != null && oldNums.length > 0) {
for (Integer i : oldNums) container.delete(i);
}
if (persistent) removeFrom(container, context, dontDeactivateSeg);
}
public List<Persona> recuperarPersonaAvanzada() {
List<Persona> listaAvanzada = new ArrayList<Persona>();
int edad = 30;
String dni = "20";
String letraF = "o";
try {
ObjectSet<Persona> set =
bbdd.query(
new Predicate<Persona>() {
public boolean match(Persona p) {
return p.getNombre().endsWith(letraF)
|| p.getDni().startsWith(dni)
|| p.getEdad() > edad;
}
});
for (Persona p : set) {
p.print();
listaAvanzada.add(p);
}
} finally {
bbdd.close();
}
return listaAvanzada;
}
public void test() {
ObjectContainer oc = Test.objectContainer();
ObjectSet objectSet = oc.queryByExample(new CallbackCanDelete("p1", null));
CallbackCanDelete ccd = (CallbackCanDelete) objectSet.next();
oc.deactivate(ccd, Integer.MAX_VALUE);
oc.delete(ccd);
}
/** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String oidStr = request.getParameter("oid");
if (oidStr == null || oidStr.trim().isEmpty()) throw new ServletException("unexpected request");
Long oid = Long.valueOf(request.getParameter("oid").trim());
// accessDb4o
ObjectContainer db =
Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), ActionManager.DB4OFILENAME);
try {
TIISubmission sub = db.ext().getByID(oid);
db.activate(sub, 10);
if (sub == null)
response.sendRedirect(ActionManager.getErrorCallbackURL(9999, "oid not found"));
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.write(
"<HTML>"
+ "<HEAD>"
+ "<TITLE>Dummy Originality Report</TITLE>"
+ "</HEAD>"
+ "<BODY>"
+ "<h2>Originality Report of OID: "
+ oid
+ "</h2>"
+ "<p>Score: "
+ sub.getReportScore()
+ "</p>"
+ "</BODY>"
+ "</HTML>");
out.close();
} finally {
db.close();
}
}
public static void loadKeyListeners(final ObjectContainer container, ClientContext context) {
ObjectSet<HasKeyListener> results = Db4oBugs.query(container, HasKeyListener.class);
for (HasKeyListener l : results) {
container.activate(l, 1);
try {
if (l.isCancelled(container)) continue;
KeyListener listener = l.makeKeyListener(container, context, true);
if (listener != null) {
if (listener.isSSK())
context.getSskFetchScheduler(listener.isRealTime()).addPersistentPendingKeys(listener);
else
context.getChkFetchScheduler(listener.isRealTime()).addPersistentPendingKeys(listener);
if (logMINOR)
Logger.minor(
ClientRequestScheduler.class,
"Loaded request key listener: " + listener + " for " + l);
}
} catch (KeyListenerConstructionException e) {
System.err.println("FAILED TO LOAD REQUEST BLOOM FILTERS:");
e.printStackTrace();
Logger.error(
ClientRequestSchedulerCore.class, "FAILED TO LOAD REQUEST BLOOM FILTERS: " + e, e);
} catch (Throwable t) {
// Probably an error on last startup???
Logger.error(ClientRequestSchedulerCore.class, "FAILED TO LOAD REQUEST: " + t, t);
System.err.println("FAILED TO LOAD REQUEST: " + t);
t.printStackTrace();
}
container.deactivate(l, 1);
}
}
public void store(Object o) {
ObjectContainer db = getDB();
try {
db.store(o);
} finally {
db.commit();
}
}
public static synchronized void addSpecialCommand(Command command) {
AndroidTransaction transaction = new AndroidTransaction();
transaction.getCommands().add(command);
ObjectContainer sess = Database.OpenDB();
sess.store(transaction);
sess.commit();
}
/**
* Verifica se o objeto está armazenado no banco de dados e, caso não esteja (isso é, não seja
* idêntico), o armazena.
*
* @param objeto objeto que será verificado e armazenado no banco de dados @
*/
public void armazenarVerificar(Object objeto) {
ObjectSet<Object> resultado = bd.queryByExample(objeto);
if (resultado == null || resultado.size() == 0) {
bd.store(objeto);
} else {
throw new RuntimeException("[armazenar] Objeto existente no banco de dados.");
}
}
/** Just those keys which are eligible to be started now. */
@Override
public long countSendableKeys(ObjectContainer container, ClientContext context) {
if (persistent) {
container.activate(this, 1);
container.activate(blockNums, 1);
}
cleanBlockNums(container);
return blockNums.size();
}
@Override
public long getCooldownWakeup(Object token, ObjectContainer container) {
if (persistent) {
container.activate(this, 1);
container.activate(segment, 1);
}
long ret = segment.getCooldownWakeup(((MySendableRequestItem) token).x);
return ret;
}
public void removeBlockNums(int[] blockNos, ObjectContainer container) {
if (persistent) container.activate(blockNums, 2);
boolean store = false;
for (int i = 0; i < blockNos.length; i++) store |= removeBlockNum(blockNos[i], container, true);
if (persistent) {
if (store) container.store(blockNums);
container.deactivate(blockNums, 2);
}
}
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);
}
// Constructors and Operations:
public static void main(String[] arg) {
ObjectContainer db = Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), DB.TAXI);
System.out.println("Datenbank " + DB.TAXI + " wurde geöffnet.");
try {
// Hier tun wir etwas mit der Datenbank.
} finally {
db.close();
}
}
public void deleteTemplates() {
openTemplateDb();
ObjectSet<Request> objectList = dbTemplateContainer.queryByExample(null);
while (objectList.hasNext()) {
Request r = (Request) objectList.next();
dbTemplateContainer.delete(r);
}
closeTemplateDb();
}
public boolean isEmpty(ObjectContainer container) {
if (persistent) {
container.activate(this, 1);
container.activate(blockNums, 1);
}
synchronized (segment) {
return cancelled || blockNums.isEmpty();
}
}
public long add(Key key, SendableGet client, ObjectContainer container) {
assert (cooldownTime != 0);
long removeTime = System.currentTimeMillis() + cooldownTime;
container.activate(key, 5);
PersistentCooldownQueueItem persistentCooldownQueueItem =
new PersistentCooldownQueueItem(client, key.cloneKey(), removeTime, this);
container.store(persistentCooldownQueueItem);
return removeTime;
}
private void createFile(Configuration config, String fileName) throws IOException {
ObjectContainer oc = Db4o.openFile(config, fileName);
try {
populate(oc);
} finally {
oc.close();
}
File4.copy(fileName, fileName + "0");
}
public void registerInsert(
final SendableRequest req, boolean persistent, boolean regmeOnly, ObjectContainer container) {
if (!isInsertScheduler)
throw new IllegalArgumentException("Adding a SendableInsert to a request scheduler!!");
if (persistent) {
if (regmeOnly) {
long bootID = 0;
boolean queueFull = jobRunner.getQueueSize(NativeThread.NORM_PRIORITY) >= QUEUE_THRESHOLD;
if (!queueFull) bootID = this.node.bootID;
final RegisterMe regme =
new RegisterMe(req, req.getPriorityClass(container), schedCore, null, bootID);
container.store(regme);
if (logMINOR) Logger.minor(this, "Added insert RegisterMe: " + regme);
if (!queueFull) {
try {
jobRunner.queue(
new DBJob() {
@Override
public boolean run(ObjectContainer container, ClientContext context) {
container.delete(regme);
if (req.isCancelled(container)) {
if (logMINOR) Logger.minor(this, "Request already cancelled");
return false;
}
if (container.ext().isActive(req))
Logger.error(this, "ALREADY ACTIVE: " + req + " in delayed insert register");
container.activate(req, 1);
registerInsert(req, true, false, container);
container.deactivate(req, 1);
return true;
}
@Override
public String toString() {
return "registerInsert";
}
},
NativeThread.NORM_PRIORITY,
false);
} catch (DatabaseDisabledException e) {
// Impossible, we are already on the database thread.
}
} else {
schedCore.rerunRegisterMeRunner(jobRunner);
}
container.deactivate(req, 1);
return;
}
schedCore.innerRegister(req, random, container, clientContext, null);
starter.wakeUp();
} else {
schedTransient.innerRegister(req, random, null, clientContext, null);
starter.wakeUp();
}
}
