Package org.apache.cassandra.utils

Examples of org.apache.cassandra.utils.PureJavaCrc32.update()

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            final ByteBuffer buffer = alloc.getBuffer();
            DataOutputByteBuffer dos = new DataOutputByteBuffer(buffer);

            // checksummed length
            dos.writeInt((int) size);
            checksum.update(buffer, buffer.position() - 4, 4);
            buffer.putInt(checksum.getCrc());

            int start = buffer.position();
            // checksummed mutation
            Mutation.serializer.serialize(mutation, dos, MessagingService.current_version);
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            buffer.putInt(checksum.getCrc());

            int start = buffer.position();
            // checksummed mutation
            Mutation.serializer.serialize(mutation, dos, MessagingService.current_version);
            checksum.update(buffer, start, (int) size);
            buffer.putInt(checksum.getCrc());
        }
        catch (IOException e)
        {
            throw new FSWriteError(e, alloc.getSegment().getPath());
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            final ByteBuffer buffer = alloc.getBuffer();
            DataOutputByteBuffer dos = new DataOutputByteBuffer(buffer);

            // checksummed length
            dos.writeInt((int) size);
            checksum.update(buffer, buffer.position() - 4, 4);
            buffer.putInt(checksum.getCrc());

            int start = buffer.position();
            // checksummed mutation
            Mutation.serializer.serialize(mutation, dos, MessagingService.current_version);
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            buffer.putInt(checksum.getCrc());

            int start = buffer.position();
            // checksummed mutation
            Mutation.serializer.serialize(mutation, dos, MessagingService.current_version);
            checksum.update(buffer, start, (int) size);
            buffer.putInt(checksum.getCrc());
        }
        catch (IOException e)
        {
            throw new FSWriteError(e, alloc.getSegment().getPath());
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = FBUtilities.serialize(rowMutation, RowMutation.serializer, MessagingService.current_version);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = FBUtilities.serialize(rowMutation, RowMutation.serializer, MessagingService.current_version);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = rowMutation.getSerializedBuffer(MessagingService.version_);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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