Examples with OTransactionAbortedException com.orientechnologies.orient.core.exception.OTransactionAbortedException used on opensource projects

Example 1 with OTransactionAbortedException

use of com.orientechnologies.orient.core.exception.OTransactionAbortedException in project orientdb by orientechnologies.

the class OTransactionOptimisticProxy method begin.

@Override
public void begin() {
    super.begin();
    // Needed for keep the exception and insure that all data is read from the socket.
    OException toThrow = null;
    try {
        setUsingLog(channel.readByte() == 1);
        Map<ORecord, byte[]> lazyDeserialize = new IdentityHashMap<ORecord, byte[]>();
        byte lastTxStatus;
        for (lastTxStatus = channel.readByte(); lastTxStatus == 1; lastTxStatus = channel.readByte()) {
            final byte recordStatus = channel.readByte();
            final ORecordId rid = channel.readRID();
            final byte recordType = channel.readByte();
            final ORecordOperation entry = new OTransactionEntryProxy(recordType);
            entry.type = recordStatus;
            switch(recordStatus) {
                case ORecordOperation.CREATED:
                case ORecordOperation.RECYCLED:
                    byte[] content = channel.readBytes();
                    ORecordInternal.fill(entry.getRecord(), rid, 0, null, true);
                    lazyDeserialize.put(entry.getRecord(), content);
                    if (recordStatus == ORecordOperation.CREATED)
                        // SAVE THE RECORD TO RETRIEVE THEM FOR THE NEW RID TO SEND BACK TO THE REQUESTER
                        createdRecords.put(rid.copy(), entry.getRecord());
                    break;
                case ORecordOperation.UPDATED:
                    int version = channel.readVersion();
                    byte[] bytes = channel.readBytes();
                    ORecordInternal.fill(entry.getRecord(), rid, version, null, true);
                    lazyDeserialize.put(entry.getRecord(), bytes);
                    if (protocolVersion >= 23)
                        ORecordInternal.setContentChanged(entry.getRecord(), channel.readBoolean());
                    break;
                case ORecordOperation.DELETED:
                    // LOAD RECORD TO BE SURE IT HASN'T BEEN DELETED BEFORE + PROVIDE CONTENT FOR ANY HOOK
                    final ORecord rec = rid.getRecord();
                    int deleteVersion = channel.readVersion();
                    if (rec == null)
                        toThrow = new ORecordNotFoundException(rid);
                    else {
                        ORecordInternal.setVersion(rec, deleteVersion);
                        entry.setRecord(rec);
                    }
                    break;
                default:
                    throw new OTransactionException("Unrecognized tx command: " + recordStatus);
            }
            // PUT IN TEMPORARY LIST TO GET FETCHED AFTER ALL FOR CACHE
            tempEntries.put(entry.getRecord().getIdentity(), entry);
        }
        String dbSerializerName = "";
        if (database != null)
            dbSerializerName = database.getSerializer().toString();
        String name = oNetworkProtocolBinary.getRecordSerializerName(connection);
        for (Map.Entry<ORecord, byte[]> entry : lazyDeserialize.entrySet()) {
            ORecord record = entry.getKey();
            final boolean contentChanged = ORecordInternal.isContentChanged(record);
            if (ORecordInternal.getRecordType(record) == ODocument.RECORD_TYPE && !dbSerializerName.equals(name)) {
                ORecordSerializer ser = ORecordSerializerFactory.instance().getFormat(name);
                ser.fromStream(entry.getValue(), record, null);
                record.setDirty();
                ORecordInternal.setContentChanged(record, contentChanged);
            } else {
                record.fromStream(entry.getValue());
                record.setDirty();
                ORecordInternal.setContentChanged(record, contentChanged);
            }
        }
        if (toThrow != null)
            throw toThrow;
        if (lastTxStatus == -1)
            // ABORT TX
            throw new OTransactionAbortedException("Transaction aborted by the client");
        final ODocument remoteIndexEntries = new ODocument(channel.readBytes());
        fillIndexOperations(remoteIndexEntries);
        // FIRE THE TRIGGERS ONLY AFTER HAVING PARSED THE REQUEST
        for (Entry<ORID, ORecordOperation> entry : tempEntries.entrySet()) {
            if (entry.getValue().type == ORecordOperation.UPDATED) {
                // SPECIAL CASE FOR UPDATE: WE NEED TO LOAD THE RECORD AND APPLY CHANGES TO GET WORKING HOOKS (LIKE INDEXES)
                final ORecord record = entry.getValue().record.getRecord();
                final boolean contentChanged = ORecordInternal.isContentChanged(record);
                final ORecord loadedRecord = record.getIdentity().copy().getRecord();
                if (loadedRecord == null)
                    throw new ORecordNotFoundException(record.getIdentity());
                if (ORecordInternal.getRecordType(loadedRecord) == ODocument.RECORD_TYPE && ORecordInternal.getRecordType(loadedRecord) == ORecordInternal.getRecordType(record)) {
                    ((ODocument) loadedRecord).merge((ODocument) record, false, false);
                    loadedRecord.setDirty();
                    ORecordInternal.setContentChanged(loadedRecord, contentChanged);
                    ORecordInternal.setVersion(loadedRecord, record.getVersion());
                    entry.getValue().record = loadedRecord;
                    // SAVE THE RECORD TO RETRIEVE THEM FOR THE NEW VERSIONS TO SEND BACK TO THE REQUESTER
                    updatedRecords.put((ORecordId) entry.getKey(), entry.getValue().getRecord());
                }
            }
            addRecord(entry.getValue().getRecord(), entry.getValue().type, null);
        }
        tempEntries.clear();
        // UNMARSHALL ALL THE RECORD AT THE END TO BE SURE ALL THE RECORD ARE LOADED IN LOCAL TX
        for (ORecord record : createdRecords.values()) {
            unmarshallRecord(record);
            if (record instanceof ODocument) {
                // Force conversion of value to class for trigger default values.
                ODocumentInternal.autoConvertValueToClass(connection.getDatabase(), (ODocument) record);
            }
        }
        for (ORecord record : updatedRecords.values()) unmarshallRecord(record);
    } catch (IOException e) {
        rollback();
        throw OException.wrapException(new OSerializationException("Cannot read transaction record from the network. Transaction aborted"), e);
    }
}