Hi Francesco,

1. I don`t quite understand where your concern is there. Could you please 
clarify?

2.) 
a) The info interfaces are there because there was no way to get a list of all 
entity sets inside the edm without knowing their name. Also this information is 
needed for the service document.
b) No I think the interfaces in [6] should cover all aspects of the EDM. If not 
this is functionality which has to be added.
c) If they can coexist without causing conflicts I would put the V3 interfaces 
in the commons API. We might not support this on server side from the beginning 
but a later refactoring would be cumbersome IMHO. Although I am open for other 
opinions.

Best Regards,
Christian

-----Original Message-----
From: Francesco Chicchiriccò [mailto:ilgro...@apache.org] 
Sent: Dienstag, 25. Februar 2014 14:06
To: dev@olingo.incubator.apache.org
Subject: [OLINGO-169] Work in progress

Hi all,
I have reached a fair stable point for merging ODataJClient's Metadata 
parsing into olingo-odata4 (in the 'olingo169' GIT branch): now metadata 
parsing works either for V3 and V4 (few unit tests have been added in 
olingo-odata4-client-core ).

At this point I have two main concerns before considering the work for 
OLINGO-169 completed (and consequently merge olingo169 into master):

1. types

EdmType [1] is an interface (with concrete implementations available for 
V3 and V4) whose main purpose is parsing type expressions (like as 
'Collection(ODataDemo.Product)') into a meaningful representation, e.g. 
EdmSimpleType [2], EnumType [3], ComplexType [4] or EntityType [5] and 
also to provide other useful information (is this a collection? does it 
have a base type?).

I am sure that this duplicates something else in odata-olingo4. but I 
need some guidance about how to replace [1][2][3][4][5]. Also, I suppose 
that a better location for such items is olingo-odata4-commons-api 
rather than olingo-odata4-client-api (where they reside ATM).
Who would like to volunteer?


2. Edm interfaces

olingo-odata4-commons-api holds in [6] the current set of Edm interfaces 
implemented server-side whilst I have temporarily put the set of Edm 
interfaces implemented client-side in olingo-odata4-client-api's [7] 
(and subpackages).

Again, I need to understand how to reconcile and consolidate these two 
sets (into olingo-odata4-commons-api of course), but there are several 
aspects I don't understand:

   (a) what is the purpose of *Info interfaces (like as 
EdmEntitySetInfo)? what's the usage difference with EdmEntitySet?
   (b) is the set from [6] still to be completed?
   (c) would it be fine to put in [6] the merge with all interfaces from 
[7], including V3's or is it better to keep V3's in 
olingo-odata4-client-api?


Thanks for your support.
Regards.

[1] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=blob;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/edm/EdmType.java;h=5a480d72cbbc707696dd358e117468f0f87980fb;hb=olingo169
[2] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=blob;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/data/EdmSimpleType.java;h=7d44c376e89b084c6e8563c63317012284278795;hb=olingo169
[3] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=blob;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/edm/EnumType.java;h=614c5e1e85a731ae80de56899e7d9d82ae846bf0;hb=olingo169
[4] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=blob;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/edm/ComplexType.java;h=929d1b83f4db4c290b0681b7d629b9d0545f33a5;hb=olingo169
[5] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=blob;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/edm/EntityType.java;h=37ebc359f0ec36e439b3a8555e23ebaa84506c2e;hb=olingo169
[6] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=tree;f=odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/odata4/commons/api/edm;h=5735ace09587887d86a9f09c9ffdcd624b97521f;hb=olingo169
[7] 
https://git-wip-us.apache.org/repos/asf?p=incubator-olingo-odata4.git;a=tree;f=odata4-lib/odata4-client-api/src/main/java/org/apache/olingo/odata4/client/api/edm;h=31d1e59d5b76ba321b93bd68bda675522f9d1a8c;hb=olingo169

-- 
Francesco Chicchiriccò

Tirasa - Open Source Excellence
http://www.tirasa.net/

Involved at The Apache Software Foundation:
member, Syncope PMC chair, Cocoon PMC, Olingo PPMC
http://people.apache.org/~ilgrosso/

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