Examples with DataOutputBuffer org.apache.cassandra.io.util.DataOutputBuffer used on opensource projects

Example 21 with DataOutputBuffer

use of org.apache.cassandra.io.util.DataOutputBuffer in project eiger by wlloyd.

the class RangeSliceReply method getReply.

public Message getReply(Message originalMessage) throws IOException {
    int size = DBConstants.intSize;
    for (Row row : rows) size += Row.serializer().serializedSize(row, originalMessage.getVersion());
    DataOutputBuffer buffer = new DataOutputBuffer(size);
    buffer.writeInt(rows.size());
    for (Row row : rows) Row.serializer().serialize(row, buffer, originalMessage.getVersion());
    assert buffer.getLength() == buffer.getData().length;
    return originalMessage.getReply(FBUtilities.getBroadcastAddress(), buffer.getData(), originalMessage.getVersion());
}

Example 22 with DataOutputBuffer

use of org.apache.cassandra.io.util.DataOutputBuffer in project eiger by wlloyd.

the class Column method updateDigest.

@Override
public void updateDigest(MessageDigest digest) {
    digest.update(name.duplicate());
    digest.update(value.duplicate());
    DataOutputBuffer buffer = new DataOutputBuffer();
    try {
        buffer.writeLong(timestamp);
        buffer.writeByte(serializationFlags());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    digest.update(buffer.getData(), 0, buffer.getLength());
}

Example 23 with DataOutputBuffer

use of org.apache.cassandra.io.util.DataOutputBuffer in project eiger by wlloyd.

the class PrecompactedRow method write.

@Override
public long write(DataOutput out) throws IOException {
    assert compactedCf != null;
    DataOutputBuffer buffer = new DataOutputBuffer();
    DataOutputBuffer headerBuffer = new DataOutputBuffer();
    ColumnIndexer.serialize(compactedCf, headerBuffer);
    ColumnFamily.serializer().serializeForSSTable(compactedCf, buffer);
    int dataSize = headerBuffer.getLength() + buffer.getLength();
    out.writeLong(dataSize);
    out.write(headerBuffer.getData(), 0, headerBuffer.getLength());
    out.write(buffer.getData(), 0, buffer.getLength());
    return dataSize;
}

Example 24 with DataOutputBuffer

use of org.apache.cassandra.io.util.DataOutputBuffer in project eiger by wlloyd.

the class AbstractTransactionMessage method getMessage.

@Override
public Message getMessage(Integer version) throws IOException {
    DataOutputBuffer dob = new DataOutputBuffer();
    serializer().serialize(this, dob, version);
    logger.debug("getMessage called on " + this + " serialized into " + dob.getLength());
    return new Message(FBUtilities.getBroadcastAddress(), StorageService.Verb.TRANSACTION_MESSAGE, Arrays.copyOf(dob.getData(), dob.getLength()), version);
}

Example 25 with DataOutputBuffer

use of org.apache.cassandra.io.util.DataOutputBuffer in project eiger by wlloyd.

the class Migration method serialize.

public ByteBuffer serialize() throws IOException {
    // super deflate
    org.apache.cassandra.db.migration.avro.Migration mi = new org.apache.cassandra.db.migration.avro.Migration();
    mi.old_version = new org.apache.cassandra.utils.avro.UUID();
    mi.old_version.bytes(UUIDGen.decompose(lastVersion));
    mi.new_version = new org.apache.cassandra.utils.avro.UUID();
    mi.new_version.bytes(UUIDGen.decompose(newVersion));
    mi.classname = new org.apache.avro.util.Utf8(this.getClass().getName());
    // TODO: Avro RowMutation serialization?
    DataOutputBuffer dob = new DataOutputBuffer();
    try {
        RowMutation.serializer().serialize(rm, dob, MessagingService.version_);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    mi.row_mutation = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
    // sub deflate
    this.subdeflate(mi);
    // serialize
    return SerDeUtils.serializeWithSchema(mi);
}