Assume i have two widgets A and B in host page. They bind to
datasource DSA and DSB respectly. I do some stuff in A then DSA has
changed. DSA's change leads to DSB's change. Question is:
How to reflect DSB's change on B and where to put such code?
I can let widget A has a reference of B. When the rpc call for
changing DSA finished i call B's some function to refresh B's data.
Another way is keeping widget A and B seperately and to put this logic
in entrypoint. But first, refresh data always means refilling , i cant
do it with an incremental manner. Second, when we have more than two
widgets whose datasources all have relationship with other, the code
will become more ugly and hard to maintain.
I am not familiar with RIA, i used to write some jsps/servlets and
just jump from page to page. I dont need worry about data
refreshing.Then what's the common way in GWT?
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