Mircea,
I applaud the effort and your experiment! Having said that I think we
have to engineer a much more plumbing for more complicated cases, e.g
map/reduce (marshalling results, classloading etc etc). I am more and
more convinced nowadays that all of this plumbing is better provided by
AS itself rather than us reinventing the wheel here...
WDYT?
Vladimir
On 11-07-15 7:53 AM, Mircea Markus wrote:
Hi,
As there is a high community demand for having these operations in
place, and most of these are targeted for post 5.1 releases, I thought
about a workaround for having this functionality in place.
I hijacked Hotrod's put operation and added a custom interceptor, so
that if a certain object is being "put" into remote cache, the server
side interceptor jumps in and runs transactions.
This doesn't look too bad for the user, e.g. for supporting transactions:
|RemoteCache rc = getRemoteCache();//from somewhere...
//this is what we'll use for running remote transactions over hotrod
BatchEnabledRemoteCache berc = new BatchEnabledRemoteCache(rc);
berc.startBatch(); //everything from here to endBatch call is a single transaction
berc.put("k", "v1");
berc.put("k2", "v2");
berc.put("k3", "v3");
berc.endBatch(true); // all or nothing!
|
|
|
Of course this won't work with other clients than the java client, but
I think most of our users are using that one ATM.
Currently there's only support for transactions but this approach (and
the code) can be easily extended to mapreduce and querying.
I added s short description on how this can be used [1], also the
source code is available here[2].
What do you think about it? Is it worth suggesting to the users this
approach(and possibly the code as well)?
Cheers,
Mircea
[1]
https://github.com/mmarkus/ops_over_hotrod/wiki/Usage-guide
[
2]https://github.com/mmarkus/ops_over_hotrod
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