Package org.apache.activemq.util

Examples of org.apache.activemq.util.DataByteArrayOutputStream

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        store(new KahaCommitCommand().setTransactionInfo(TransactionIdConversion.convert(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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        }
    }

    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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     *
     * @throws IOException if an error occurs while serializing the command.
     */
    protected 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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    public void load() {
        if (loaded.compareAndSet(false, true)) {
            keysPerPage = pageSize / keySize;
            dataIn = new DataByteArrayInputStream();
            dataOut = new DataByteArrayOutputStream(pageSize);
            readBuffer = new byte[pageSize];
            try {
                openIndexFile();
                long offset = 0;
                while ((offset + pageSize) <= indexFile.length()) {
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                capacity <<= 1;
            }
            this.bins = new HashBin[capacity];
            keysPerPage = pageSize / keySize;
            dataIn = new DataByteArrayInputStream();
            dataOut = new DataByteArrayOutputStream(pageSize);
            readBuffer = new byte[pageSize];
            try {
                openIndexFile();
                if (indexFile.length() > 0) {
                    doCompress();
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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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    }

    private byte[] encodeXid(XATransactionId xid, long seq, long priority) {
        byte[] xidVal = xid.getEncodedXidBytes();
        // encode the update
        DataByteArrayOutputStream outputStream = xid.internalOutputStream();
        outputStream.position(1);
        outputStream.writeLong(seq);
        outputStream.writeByte(Long.valueOf(priority).byteValue());
        return xidVal;
    }
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        store(new KahaCommitCommand().setTransactionInfo(TransactionIdConversion.convert(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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                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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    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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Related Classes of org.apache.activemq.util.DataByteArrayOutputStream

  • org.apache.activemq.command.XATransactionId
  • org.apache.activemq.kaha.impl.async.DataFileAppender
  • org.apache.activemq.kaha.impl.async.DataManagerFacade
  • org.apache.activemq.kaha.impl.data.StoreDataWriter
  • org.apache.activemq.kaha.impl.data.SyncDataFileWriter
  • org.apache.activemq.kaha.impl.index.hash.HashIndex
  • org.apache.activemq.kaha.impl.index.tree.TreeIndex
  • org.apache.activemq.store.jdbc.adapter.DefaultJDBCAdapter
  • org.apache.activemq.store.kahadb.AbstractKahaDBStore
  • org.apache.activemq.store.kahadb.disk.journal.Journal
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