Examples of DataByteArrayOutputStream

Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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        }
    }

    public ByteSequence toByteSequence(JournalCommand<?> data) throws IOException {
        int size = data.serializedSizeFramed();
        DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
        os.writeByte(data.type().getNumber());
        data.writeFramed(os);
        return os.toByteSequence();
    }
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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        store(new KahaCommitCommand().setTransactionInfo(multiKahaDBPersistenceAdapter.transactionIdTransformer.transform(txid)));
    }

    private Location store(JournalCommand<?> data) throws IOException {
        int size = data.serializedSizeFramed();
        DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
        os.writeByte(data.type().getNumber());
        data.writeFramed(os);
        Location location = journal.write(os.toByteSequence(), true);
        journal.setLastAppendLocation(location);
        return location;
    }
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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    public static final int BATCH_CONTROL_RECORD_SIZE = RECORD_HEAD_SPACE+BATCH_CONTROL_RECORD_MAGIC.length+4+8;
    public static final byte[] BATCH_CONTROL_RECORD_HEADER = createBatchControlRecordHeader();

    private static byte[] createBatchControlRecordHeader() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
            os.writeInt(BATCH_CONTROL_RECORD_SIZE);
            os.writeByte(BATCH_CONTROL_RECORD_TYPE);
            os.write(BATCH_CONTROL_RECORD_MAGIC);
            ByteSequence sequence = os.toByteSequence();
            sequence.compact();
            return sequence.getData();
        } catch (IOException e) {
            throw new RuntimeException("Could not create batch control record header.", e);
        }
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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                if (first == null) {
                    first = page;
                }

                addToCache(page);
                DataByteArrayOutputStream out = new DataByteArrayOutputStream(pageSize);
                page.write(out);
                write(page, out.getData());

                // LOG.debug("allocate writing: "+page.getPageId());
            }

            return first;
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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        DataFile dataFile = null;
        RandomAccessFile file = null;
        WriteBatch wb = null;
        try {

            DataByteArrayOutputStream buff = new DataByteArrayOutputStream(maxWriteBatchSize);
            while (true) {

                // Block till we get a command.
                synchronized (enqueueMutex) {
                    while (true) {
                        if (nextWriteBatch != null) {
                            wb = nextWriteBatch;
                            nextWriteBatch = null;
                            break;
                        }
                        if (shutdown) {
                            return;
                        }
                        enqueueMutex.wait();
                    }
                    enqueueMutex.notifyAll();
                }

                if (dataFile != wb.dataFile) {
                    if (file != null) {
                        file.setLength(dataFile.getLength());
                        dataFile.closeRandomAccessFile(file);
                    }
                    dataFile = wb.dataFile;
                    file = dataFile.openRandomAccessFile();
                    if( file.length() < journal.preferedFileLength ) {
                        file.setLength(journal.preferedFileLength);
                    }
                }

                Journal.WriteCommand write = wb.writes.getHead();

                // Write an empty batch control record.
                buff.reset();
                buff.writeInt(Journal.BATCH_CONTROL_RECORD_SIZE);
                buff.writeByte(Journal.BATCH_CONTROL_RECORD_TYPE);
                buff.write(Journal.BATCH_CONTROL_RECORD_MAGIC);
                buff.writeInt(0);
                buff.writeLong(0);

                boolean forceToDisk = false;
                while (write != null) {
                    forceToDisk |= write.sync | (syncOnComplete && write.onComplete != null);
                    buff.writeInt(write.location.getSize());
                    buff.writeByte(write.location.getType());
                    buff.write(write.data.getData(), write.data.getOffset(), write.data.getLength());
                    write = write.getNext();
                }

                ByteSequence sequence = buff.toByteSequence();

                // Now we can fill in the batch control record properly.
                buff.reset();
                buff.skip(5+Journal.BATCH_CONTROL_RECORD_MAGIC.length);
                buff.writeInt(sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                if( journal.isChecksum() ) {
                    Checksum checksum = new Adler32();
                    checksum.update(sequence.getData(), sequence.getOffset()+Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                    buff.writeLong(checksum.getValue());
                }

                // Now do the 1 big write.
                file.seek(wb.offset);
                if (maxStat > 0) {
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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                    if( file.length() < journal.preferedFileLength ) {
                        file.setLength(journal.preferedFileLength);
                    }
                }

                final DataByteArrayOutputStream buff = wb.buff;
                final boolean forceToDisk = wb.forceToDisk;

                ByteSequence sequence = buff.toByteSequence();
               
                // Now we can fill in the batch control record properly.
                buff.reset();
                buff.skip(5+Journal.BATCH_CONTROL_RECORD_MAGIC.length);
                buff.writeInt(sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                if( journal.isChecksum() ) {
                  Checksum checksum = new Adler32();
                  checksum.update(sequence.getData(), sequence.getOffset()+Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                  buff.writeLong(checksum.getValue());
                }

                // Now do the 1 big write.
                file.seek(wb.offset);
                if (maxStat > 0) {
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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                if (first == null) {
                    first = page;
                }

                addToCache(page);
                DataByteArrayOutputStream out = new DataByteArrayOutputStream(pageSize);
                page.write(out);
                write(page, out.getData());

                // LOG.debug("allocate writing: "+page.getPageId());
                c--;
            }
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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      if (before != null) {
          before.run();
      }
        try {
            int size = data.serializedSizeFramed();
            DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
            os.writeByte(data.type().getNumber());
            data.writeFramed(os);
   
            long start = System.currentTimeMillis();
            Location location = journal.write(os.toByteSequence(), sync);
            long start2 = System.currentTimeMillis();
            process(data, location);
          long end = System.currentTimeMillis();
          if( LOG_SLOW_ACCESS_TIME>0 && end-start > LOG_SLOW_ACCESS_TIME) {
            LOG.info("Slow KahaDB access: Journal append took: "+(start2-start)+" ms, Index update took "+(end-start2)+" ms");
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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    public static final int BATCH_CONTROL_RECORD_SIZE = RECORD_HEAD_SPACE+BATCH_CONTROL_RECORD_MAGIC.length+4+8;
    public static final byte[] BATCH_CONTROL_RECORD_HEADER = createBatchControlRecordHeader();

    private static byte[] createBatchControlRecordHeader() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
            os.writeInt(BATCH_CONTROL_RECORD_SIZE);
            os.writeByte(BATCH_CONTROL_RECORD_TYPE);
            os.write(BATCH_CONTROL_RECORD_MAGIC);
            ByteSequence sequence = os.toByteSequence();
            sequence.compact();
            return sequence.getData();
        } catch (IOException e) {
            throw new RuntimeException("Could not create batch control record header.");
        }
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Examples of org.apache.kahadb.util.DataByteArrayOutputStream

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        DataFile dataFile = null;
        RandomAccessFile file = null;
        WriteBatch wb = null;
        try {

            DataByteArrayOutputStream buff = new DataByteArrayOutputStream(maxWriteBatchSize);
            while (true) {

                Object o = null;

                // Block till we get a command.
                synchronized (enqueueMutex) {
                    while (true) {
                        if (nextWriteBatch != null) {
                            o = nextWriteBatch;
                            nextWriteBatch = null;
                            break;
                        }
                        if (shutdown) {
                            return;
                        }
                        enqueueMutex.wait();
                    }
                    enqueueMutex.notifyAll();
                }

                wb = (WriteBatch)o;
                if (dataFile != wb.dataFile) {
                    if (file != null) {
                        file.setLength(dataFile.getLength());
                        dataFile.closeRandomAccessFile(file);
                    }
                    dataFile = wb.dataFile;
                    file = dataFile.openRandomAccessFile();
                    if( file.length() < journal.preferedFileLength ) {
                        file.setLength(journal.preferedFileLength);
                    }
                }

                WriteCommand write = wb.writes.getHead();

                // Write an empty batch control record.
                buff.reset();
                buff.writeInt(Journal.BATCH_CONTROL_RECORD_SIZE);
                buff.writeByte(Journal.BATCH_CONTROL_RECORD_TYPE);
                buff.write(Journal.BATCH_CONTROL_RECORD_MAGIC);
                buff.writeInt(0);
                buff.writeLong(0);
               
                boolean forceToDisk = false;
                while (write != null) {
                    forceToDisk |= write.sync | write.onComplete != null;
                    buff.writeInt(write.location.getSize());
                    buff.writeByte(write.location.getType());
                    buff.write(write.data.getData(), write.data.getOffset(), write.data.getLength());
                    write = write.getNext();
                }

                ByteSequence sequence = buff.toByteSequence();
               
                // Now we can fill in the batch control record properly.
                buff.reset();
                buff.skip(5+Journal.BATCH_CONTROL_RECORD_MAGIC.length);
                buff.writeInt(sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                if( journal.isChecksum() ) {
                  Checksum checksum = new Adler32();
                  checksum.update(sequence.getData(), sequence.getOffset()+Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                  buff.writeLong(checksum.getValue());
                }

                // Now do the 1 big write.
                file.seek(wb.offset);
                if (maxStat > 0) {
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