Love Seat is a simply architected CouchDB C# client with the intent to abstract away just enough so that it's easy to use, but not enough so that you don't know what's going on. LoveSeat will not introduce unneeded dependancies and will attempt to remove programmer burden while leaving you close enough to the metal that you are able to utilize the full featureset of CouchDb.
- CouchDB 1.0.1
- .NET Framework 3.5, 4.0 or Mono 2.9 (compiled master branch from Nov 20 2010), and MonoDroid
Basics
// assumes localhost:5984 with no credentials if constructor is left blank
var client = new CouchClient();
var db= client.GetDatabase("Northwind");
// set default design doc (not required)
db.SetDefaultDesignDoc("docs");
// get document by ID
Document myDoc = db.GetDocument("12345");
// get document by ID (strongly typed POCO version)
MyObject myObj = db.GetDocument<MyObject>("12345");
Simple view results
// get view results
var results = db.View<MyObject>("view_name");
// get view results with parameters
var options = new ViewOptions();
options.StartKey.Add("Atlanta");
options.EndKey.Add("Washington");
var results = db.View<MyObject>("view_name", options);
// loop through strongly typed results
foreach (var item in results.Items){
// do something
}
Generating more complex view parameters
var options = new ViewOptions();
// generate ["foo"] startkey parameter
options.StartKey.Add("foo");
// generate ["foo",{},{}] endkey parameter
options.EndKey.Add("foo", CouchValue.Empty, CouchValue.Empty);
var results = db.View<MyObject>("view_name", options);
// loop through strongly typed results
foreach (var item in results.Items){
// do something
}
Customized view key parameters
Assuming that view keys have complex structure, for example:
["johny", ["work", "programming"]]
["joe", ["programming"]]
["johny", ["work"]]
using Newtonsoft.Json.Linq;
...
var options = new ViewOptions();
options.StartKey.Add(new JRaw("[\"johny\",[\"work\"]"));
options.EndKey.Add(new JRaw("[\"johny\",[\"work\",{}]]"));
var results = db.View<MyObject>("view_name", options);
foreach (var item in results.Items){
// do something
}
This example will return only rows where first key contains "johny" and second key contains "work".
Get the results of a List
var results = db.List("list_name")
LoveSeat supports replication and user management off of the CouchClient as well. Enjoy!
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