Package org.apache.activemq.util

Examples of org.apache.activemq.util.DataByteArrayInputStream

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        recoveredPendingCommit.addAll(inflightTransactions.keySet());
        LOG.info("pending local transactions: " + recoveredPendingCommit);
    }

    public JournalCommand<?> load(Location location) throws IOException {
        DataByteArrayInputStream is = new DataByteArrayInputStream(journal.read(location));
        byte readByte = is.readByte();
        KahaEntryType type = KahaEntryType.valueOf(readByte);
        if (type == null) {
            throw new IOException("Could not load journal record. Invalid location: " + location);
        }
        JournalCommand<?> message = (JournalCommand<?>) type.createMessage();
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        if( LOG_SLOW_ACCESS_TIME>0 && end-start > LOG_SLOW_ACCESS_TIME) {
            if (LOG.isInfoEnabled()) {
                LOG.info("Slow KahaDB access: Journal read took: "+(end-start)+" ms");
            }
        }
        DataByteArrayInputStream is = new DataByteArrayInputStream(data);
        byte readByte = is.readByte();
        KahaEntryType type = KahaEntryType.valueOf(readByte);
        if( type == null ) {
            try {
                is.close();
            } catch (IOException e) {}
            throw new IOException("Could not load journal record. Invalid location: "+location);
        }
        JournalCommand<?> message = (JournalCommand<?>)type.createMessage();
        message.mergeFramed(is);
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     *
     * @throws IOException if an error occurs reading the stored command.
     */
    protected JournalCommand<?> load(Location location) throws IOException {
        ByteSequence data = journal.read(location);
        DataByteArrayInputStream is = new DataByteArrayInputStream(data);
        byte readByte = is.readByte();
        KahaEntryType type = KahaEntryType.valueOf(readByte);
        if (type == null) {
            try {
                is.close();
            } catch (IOException e) {
            }
            throw new IOException("Could not load journal record. Invalid location: " + location);
        }
        JournalCommand<?> message = (JournalCommand<?>)type.createMessage();
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        void setMessageStore(JDBCTopicMessageStore jdbcTopicMessageStore);
    }

    public void recoverLastAck(byte[] encodedXid, final ActiveMQDestination destination, final String subName, final String clientId) throws IOException {
        Tx tx = getPreparedTx(new XATransactionId(encodedXid));
        DataByteArrayInputStream inputStream = new DataByteArrayInputStream(encodedXid);
        inputStream.skipBytes(1); // +|-
        final long lastAck = inputStream.readLong();
        final byte priority = inputStream.readByte();
        final MessageAck ack = new MessageAck();
        ack.setDestination(destination);
        tx.add(new LastAckCommand() {
            JDBCTopicMessageStore jdbcTopicMessageStore;
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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;
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            while (capacity < numberOfBins) {
                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) {
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               currentCommand.write(b);
               // end of headers section, parse action and header
               if (b == '\n' && (previousByte == '\n' || currentCommand.endsWith(crlfcrlf))) {
                   StompWireFormat wf = (StompWireFormat) transport.getWireFormat();
                   DataByteArrayInputStream data = new DataByteArrayInputStream(currentCommand.toByteArray());
                   action = wf.parseAction(data);
                   headers = wf.parseHeaders(data);
                   try {
                       String contentLengthHeader = headers.get(Stomp.Headers.CONTENT_LENGTH);
                       if ((action.equals(Stomp.Commands.SEND) || action.equals(Stomp.Responses.MESSAGE)) && contentLengthHeader != null) {
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        if( LOG_SLOW_ACCESS_TIME>0 && end-start > LOG_SLOW_ACCESS_TIME) {
            if (LOG.isInfoEnabled()) {
                LOG.info("Slow KahaDB access: Journal read took: "+(end-start)+" ms");
            }
        }
        DataByteArrayInputStream is = new DataByteArrayInputStream(data);
        byte readByte = is.readByte();
        KahaEntryType type = KahaEntryType.valueOf(readByte);
        if( type == null ) {
            try {
                is.close();
            } catch (IOException e) {}
            throw new IOException("Could not load journal record. Invalid location: "+location);
        }
        JournalCommand<?> message = (JournalCommand<?>)type.createMessage();
        message.mergeFramed(is);
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        recoveredPendingCommit.addAll(inflightTransactions.keySet());
        LOG.info("pending local transactions: " + recoveredPendingCommit);
    }

    public JournalCommand<?> load(Location location) throws IOException {
        DataByteArrayInputStream is = new DataByteArrayInputStream(journal.read(location));
        byte readByte = is.readByte();
        KahaEntryType type = KahaEntryType.valueOf(readByte);
        if (type == null) {
            throw new IOException("Could not load journal record. Invalid location: " + location);
        }
        JournalCommand<?> message = (JournalCommand<?>) type.createMessage();
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        void setMessageStore(JDBCTopicMessageStore jdbcTopicMessageStore);
    }

    public void recoverLastAck(byte[] encodedXid, final ActiveMQDestination destination, final String subName, final String clientId) throws IOException {
        Tx tx = getPreparedTx(new XATransactionId(encodedXid));
        DataByteArrayInputStream inputStream = new DataByteArrayInputStream(encodedXid);
        inputStream.skipBytes(1); // +|-
        final long lastAck = inputStream.readLong();
        final byte priority = inputStream.readByte();
        final MessageAck ack = new MessageAck();
        ack.setDestination(destination);
        tx.add(new LastAckCommand() {
            JDBCTopicMessageStore jdbcTopicMessageStore;
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Related Classes of org.apache.activemq.util.DataByteArrayInputStream

  • org.apache.activemq.command.XATransactionId
  • org.apache.activemq.kaha.impl.async.DataManagerFacade
  • org.apache.activemq.kaha.impl.data.StoreDataReader
  • org.apache.activemq.kaha.impl.data.SyncDataFileReader
  • org.apache.activemq.kaha.impl.index.hash.HashIndex
  • org.apache.activemq.kaha.impl.index.StoreIndexReader
  • org.apache.activemq.kaha.impl.index.tree.TreeIndex
  • org.apache.activemq.store.jdbc.JdbcMemoryTransactionStore
  • org.apache.activemq.store.kahadb.AbstractKahaDBStore
  • org.apache.activemq.store.kahadb.disk.journal.Journal
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