Package org.apache.cassandra.io.util

Examples of org.apache.cassandra.io.util.DataOutputBuffer

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    {
        assert !closed;

        // no special-case for rows.size == 1, we're actually skipping some bytes here so just
        // blindly updating everything wouldn't be correct
        DataOutputBuffer out = new DataOutputBuffer();

        try
        {
            ColumnFamily.serializer().serializeCFInfo(emptyColumnFamily, out);
            out.writeInt(columnCount);
            digest.update(out.getData(), 0, out.getLength());
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }
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    }

    public static <T> byte[] serialize(T object, IVersionedSerializer<T> serializer, int version) throws IOException
    {
        int size = (int) serializer.serializedSize(object, version);
        DataOutputBuffer buffer = new DataOutputBuffer(size);
        serializer.serialize(object, buffer, version);
        assert buffer.getLength() == size && buffer.getData().length == size
               : String.format("Final buffer length %s to accomodate data size of %s (predicted %s) for %s",
                               buffer.getData().length, buffer.getLength(), size, object);
        return buffer.getData();
    }
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        this.range = range;
    }

    public Message getMessage(Integer version)
    {
        DataOutputBuffer dob = new DataOutputBuffer();
        try
        {
            serializer.serialize(this, dob, version);
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }
        return new Message(FBUtilities.getBroadcastAddress(),
                           StorageService.Verb.INDEX_SCAN,
                           Arrays.copyOf(dob.getData(), dob.getLength()),
                           version);
    }
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    public void updateDigest(MessageDigest digest)
    {
        digest.update(name.duplicate());
        digest.update(value.duplicate());

        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            buffer.writeLong(timestamp);
            buffer.writeByte(serializationFlags());
            buffer.writeInt(timeToLive);
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        digest.update(buffer.getData(), 0, buffer.getLength());
    }
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    public void updateDigest(MessageDigest digest)
    {
        digest.update(name.duplicate());
        // We don't take the deltas into account in a digest
        contextManager.updateDigest(digest, value);
        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            buffer.writeLong(timestamp);
            buffer.writeByte(serializationFlags());
            buffer.writeLong(timestampOfLastDelete);
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        digest.update(buffer.getData(), 0, buffer.getLength());
    }
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        this.maxIsColumns = maxIsColumns;
    }

    public Message getMessage(Integer version) throws IOException
    {
        DataOutputBuffer dob = new DataOutputBuffer();
        serializer.serialize(this, dob, version);
        return new Message(FBUtilities.getBroadcastAddress(),
                           StorageService.Verb.RANGE_SLICE,
                           Arrays.copyOf(dob.getData(), dob.getLength()), version);
    }
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         * | No. of Pending files | Pending Files ... |
         */
        byte[] bytes;
        try
        {
            DataOutputBuffer buffer = new DataOutputBuffer();
            StreamHeader.serializer().serialize(streamHeader, buffer, version);
            bytes = buffer.getData();
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        assert bytes.length > 0;

        ByteBuffer buffer = ByteBuffer.allocate(4 + 4 + 4 + bytes.length);
        buffer.putInt(PROTOCOL_MAGIC);
        buffer.putInt(header);
        buffer.putInt(bytes.length);
        buffer.put(bytes);
        buffer.flip();
        return buffer;
    }
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        // pack message with header in a bytebuffer
        byte[] data;
        try
        {
            DataOutputBuffer buffer = new DataOutputBuffer();
            Message.serializer().serialize(message, buffer);
            data = buffer.getData();
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
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    }

    public long write(DataOutput out) throws IOException
    {
        assert compactedCf != null;
        DataOutputBuffer buffer = new DataOutputBuffer();
        ColumnIndex.Builder builder = new ColumnIndex.Builder(compactedCf, key.key, compactedCf.getColumnCount(), buffer);
        columnIndex = builder.build(compactedCf);

        TypeSizes typeSizes = TypeSizes.NATIVE;
        long delSize = DeletionTime.serializer.serializedSize(compactedCf.deletionInfo().getTopLevelDeletion(), typeSizes);
        long dataSize = buffer.getLength() + delSize + typeSizes.sizeof(0);
        out.writeLong(dataSize);
        DeletionInfo.serializer().serializeForSSTable(compactedCf.deletionInfo(), out);
        out.writeInt(builder.writtenAtomCount());
        out.write(buffer.getData(), 0, buffer.getLength());
        return dataSize;
    }
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    }

    public void update(MessageDigest digest)
    {
        assert compactedCf != null;
        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            DeletionInfo.serializer().serializeForSSTable(compactedCf.deletionInfo(), buffer);
            buffer.writeInt(compactedCf.getColumnCount());
            digest.update(buffer.getData(), 0, buffer.getLength());
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
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Related Classes of org.apache.cassandra.io.util.DataOutputBuffer

  • org.apache.cassandra.AbstractSerializationsTester
  • org.apache.cassandra.bulkloader.CassandraBulkLoader
  • org.apache.cassandra.db.BatchlogManager
  • org.apache.cassandra.db.Cell
  • org.apache.cassandra.db.Column
  • org.apache.cassandra.db.ColumnFamily
  • org.apache.cassandra.db.ColumnFamilyTest
  • org.apache.cassandra.db.ColumnIndexer
  • org.apache.cassandra.db.commitlog.CommitLogSegment
  • org.apache.cassandra.db.compaction.LazilyCompactedRow
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