Message API Improvement
-----------------------
Key: HAMA-502
URL: https://issues.apache.org/jira/browse/HAMA-502
Project: Hama
Issue Type: Improvement
Components: bsp
Affects Versions: 0.4.0
Reporter: Thomas Jungblut
Fix For: 0.5.0
Accordingly what we have discussed on the mailing list, we want to switch the
API from the restricted BSPMessage type to <? extends Writable>.
So send is going to look like this:
bq. public final void send(String peerName, <? extends Writable> msg)
And receive:
bq. public final <? extends Writable> getCurrentMessage()
There should be no backward compatibility issues because BSPMessage is
currently a "child" of Writable.
All the related class are:
Interface: BSPPeer, MessageManager
Class: BSPPeerImpl, HadoopMessageManagerImpl
Maybe other class like BSPMessageBundle must be widened to use <? extends
Writable>.
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