/**
* encode the current Control Message into a channel buffer
*
* @throws Exception
*/
ChannelBuffer buffer() throws Exception {
ChannelBufferOutputStream bout =
new ChannelBufferOutputStream(ChannelBuffers.directBuffer(encodeLength()));
write(bout);
bout.close();
return bout.buffer();
}
/** create a buffer containing the encoding of this batch */
ChannelBuffer buffer() throws Exception {
ChannelBufferOutputStream bout =
new ChannelBufferOutputStream(ChannelBuffers.directBuffer(encoded_length));
for (TaskMessage msg : msgs) {
writeTaskMessage(bout, msg);
}
// add a END_OF_BATCH indicator
ControlMessage.EOB_MESSAGE.write(bout);
bout.close();
return bout.buffer();
}