2008/4/15, cboulanger <[EMAIL PROTECTED]>:
>
> In a future release, some thought should be put into creating a
> datasource abstraction API into which all kinds of datasources (such as
> a directly connected SQL database, a couchDB, an XML database such as
> eXist or Xindice, etc... ) can be plugged into.
Well, a common api would be hard, since there is a strong distiction between
relational "sql" database systems and the document-oriented database
systems. But there could be a common interface to enable persistence on
multi-backends.
Together with a decent
> cryptographic library, there should be a way of being able to get rid of
> middleware and let the client handle the datasource directly.
I am only aware of couchdb that interfaces through restfull http protocol.
Are there any others?
Esspecially relational database engines? They all seem to be consumed by the
horrible (by today's standards) design of sql.
Greetings,
Ralf
Even
> though the RPC classes and the jsonrpc backend work very well, I find
> that (abstract) backend support is still not developed enough in the
> current architecture, which leads to a lot of different custom solutions
> and a constant reinventing of the wheel. I try to solve some of the
> common backend/frontend application tasks with the qcl library, but
> certainly not very well and it is just another "reinvention of the
> wheel" for things that should work out of the box... Just my 2c.
>
> Christian
>
>
> > Great stuff! I wonder, though, how to get around the problem that the
> > password to access the database is in the javascript source? I guess you
> > need to send the user-supplied authorization data with each request and
> > let the couch server handle authorization issues - I saw that you can do
> > this through server-side javascript logic...
> >
> > Ralf Nieuwenhuijsen schrieb:
> >
> >> Well, the code is going great.
> >>
> >> I'm designing the api to allow different levels of easy and
> flexibility:
> >>
> >> - very manual: creating a server and a request object
> >>
> >> var myServer = new couch.Server('localhost', 1234, 'user',
> 'password');
> >> myServer.setTimeout(1000);
> >>
> >> var req = new couch.request.CreateDatabase(myServer, "mydatabase");
> >> req.addEventListener("database-created", function (e) { ... }):
> >> req.addEventListener("database-exists", function (e) { .. });
> >>
> >> - less manual: automatic server parsing
> >>
> >> var req = new
> >> couch.request.CreateDatabase("user:[EMAIL PROTECTED]:1234",
> >> "mydatabase");
> >> req.addEventListener("database-created", function (e) { ... }):
> >> req.addEventListener("database-exists", function (e) { .. });
> >>
> >> - easier: not messing with request-objects yourself
> >>
> >> var myServer = new couch.Server ('localhost', 1234,
> 'user','password');
> >> var myDb = myServer.database('mydatabase');
> >> myDb.addEventListener("created", function (e) { .... });
> >> myDb.addEventListener("exists", function (e) { .... });;
> >> myDb.create();
> >>
> >> - easier: automatic server parsing
> >>
> >> var myDb = new couch.Database('mydatabase',
> >> 'user:[EMAIL PROTECTED]:1234');
> >> myDb.addEventListener("created", function (e) { .... });
> >> myDb.addEventListener("exists", function (e) { .... });;
> >> myDb.create();
> >>
> >> - a little persistance: create an object based on the value of the
> >> 'type', setting the public properties
> >>
> >> var myDb = new couch.Database('mydatabase',
> >> 'user:[EMAIL PROTECTED]:1234');
> >> var myDoc = myDb.document('some-doc-id');
> >> mydoc.addEventListener ('instantiated', function (e) { ... });
> >> mydoc.addEventListener ('invalid', function (e) { ... });
> >> mydoc.requestInstance();
> >>
> >> - easy persistance: use a mixin to give any object toCouch() and
> >> fromCouch()
> >>
> >> qx.Class.define("custom.Person",{
> >> extend: qx.core.Target,
> >> uses: couch.MPersistance,
> >>
> >> properties:
> >> {
> >> name: { type: "string"; nullable: true },
> >> email: {type: "string", nullable: true }
> >> }
> >> });
> >>
> >>
> couch.Persistance.getInstance().setDatabase('people','localhost:1234');
> >> var P = new custom.Person();
> >> P.set({name: 'John Doe', email: '[EMAIL PROTECTED]'});
> >> P.toCouch();
> >>
> >> Most code, except the persistance part, is done now, but i need to do
> >> a lot of testing to make sure everything works as it is supposed to.
> >>
> >> Any thoughts?
> >>
> >> Greetings,
> >> Ralf
> >>
> >>
>
>
>
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