Hi,
Damián Arregui wrote:
Nuno Carvalho wrote:
Yes, I have some suggestions :-) One of them is that the
send/receive methods receive messages has Serializable objects. heven
if they are byte[], when I implement that primitives I'm forced to
view this has an Serializable object. This has 2 drwabacks: 1) Java
Serialization is a little bit heavy; 2) the messages became very big.
Could these primitives receive a reference to a byte[] ? If the
programmer knows the object contents, could serialize objects more
efficiently. The interface could offer primitives to serialize
objects based on the basic types. This is just an ideia that I will
ilustrate with some code.
Hi Nuno,
I take the liberty to get back to you through the Hedera mailing list
since other users may have their word to say on this API-related topic.
Off course, you did well.
In fact the optimization you talk about is contemplated in the
org.continuent.hedera.channel.ChannelMessage class. You should be able
to inherit from this class and override the getByteArray method. Any
message-specific optimizations can be implemented there.
Then it's up to the particular Hedera implementation to invoke
getByteArray rather than using plain Java serialization. You can see
an example in the send method of the
org.continuent.hedera.channel.JGroupsReliableGroupChannel class.
Yes, in fact Hedera already has a solution for this. But in the
ChannelMessage, only half of the solution is solved. The user can
override the getByteArray method to serialize the list of chunks, but
must implement the inverted operation, that takes a byte[] and rebuilds
the list of chunks, outside ChannelMessage (in the receive method of the
hedera ReliableGroupChannel).
My suggestion is that the ChannelMessage should already have the 2
operations: the getByteArray() and something like getChunks(byte[] msg)
that makes the inverted operation. Off course, if the programmer extends
the ChannelMessage, could make this option, but shouldn't this be
already on the API of the message it self?
Regards,
Nuno Carvalho
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