/// <summary>
/// Sets the view's entity mapping function.
/// </summary>
/// <typeparam name="TEntity">The entity type.</typeparam>
/// <param name="view">The view.</param>
/// <param name="mapDelegate">The document mapping function.</param>
/// <param name="version">The view's version.</param>
/// <remarks>
/// You may pass the <b>document</b> parameter as a value to the emit
/// delegate, just as you would for a non-entity mapping function.
/// In this case, Emit will to the <i>right thing</i> and add the document's
/// low-level properties, as expected.
/// </remarks>
public static void SetMap <TEntity>(this View view, EntityMapDelegate <TEntity> mapDelegate, string version)
where TEntity : class, IDynamicEntity, new()
{
Covenant.Requires <ArgumentNullException>(view != null);
Covenant.Requires <ArgumentNullException>(mapDelegate != null);
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(version));
view.SetMap(
(doc, emit) =>
{
mapDelegate(new EntityDocument <TEntity>(Stub.Param, doc, EntityDatabase.From(view.Database)),
(key, value) =>
{
var entityDocument = value as EntityDocument <TEntity>;
if (entityDocument != null)
{
// For entity document values, we want to add its properties,
// not the document itself.
emit(key, entityDocument.Properties);
}
else
{
emit(key, value);
}
});
},
version);
}
static Conversation()
{
database = Manager.SharedInstance.GetDatabase ("conversations");
defaultView = database.GetView ("conversation-messages");
defaultView.SetMap ((document, emit) => {
//
}, "1");
}
public ObservableCollection <Dictionary <string, string> > recuperarDocs(string esport, string user)
{
Couchbase.Lite.View a = db.GetView("running2");
a.SetMap((document, emit) =>
{
if ((string)document ["esportista"] == user && (string)document ["tipus"] == esport)
{
emit((string)document ["tipus"], document);
}
}, "1");
LogQueryResultsAsync(a);
return(LogQueryResultsAsync(a));
}
static ContactDatabase()
{
database = Manager.SharedInstance.GetDatabase ("contacts");
emailLookup = new Dictionary<string, string> ();
lookupView = database.GetView ("addresses");
lookupView.SetMap ((document, emit) => {
var val = document["contact.address.address"];
emit(document["_id"], val);
}, "1");
Query lookupQuery = lookupView.CreateQuery ();
BuildLookup(lookupQuery.Run ());
lookupViewLiveQuery = lookupQuery.ToLiveQuery();
lookupViewLiveQuery.Changed += (object sender, QueryChangeEventArgs e) => { BuildLookup(e.Rows); };
lookupViewLiveQuery.Start ();
}
public void TestAsyncViewQuery()
{
var doneSignal = new CountDownLatch(1);
var db = StartDatabase();
View view = db.GetView("vu");
view.SetMap((document, emitter) => emitter(document ["sequence"], null), "1");
const int kNDocs = 50;
CreateDocuments(db, kNDocs);
var query = view.CreateQuery();
query.StartKey = 23;
query.EndKey = 33;
var task = query.RunAsync().ContinueWith((resultTask) =>
{
Log.I(LiteTestCase.Tag, "Async query finished!");
var rows = resultTask.Result;
Assert.IsNotNull(rows);
Assert.AreEqual(rows.Count, 11);
var expectedKey = 23;
for (IEnumerator <QueryRow> it = rows; it.MoveNext();)
{
var row = it.Current;
Assert.AreEqual(row.Document.Database, db);
Assert.AreEqual(row.Key, expectedKey);
++expectedKey;
}
doneSignal.CountDown();
});
Log.I(Tag, "Waiting for async query to finish...");
var success = task.Wait(TimeSpan.FromSeconds(10));
Assert.IsTrue(success, "Done signal timed out..StartKey=ry never ran");
}
public void TestAsyncViewQuery()
{
var doneSignal = new CountdownEvent(1);
var db = database;
View view = db.GetView("vu");
view.SetMap((document, emitter) => emitter(document ["sequence"], null), "1");
const int kNDocs = 50;
CreateDocuments(db, kNDocs);
var query = view.CreateQuery();
query.StartKey = 23;
query.EndKey = 33;
var task = query.RunAsync().ContinueWith((resultTask) =>
{
Log.I(TAG, "Async query finished!");
var rows = resultTask.Result;
Assert.IsNotNull(rows);
Assert.AreEqual(11, rows.Count);
var expectedKey = 23;
foreach (var row in rows)
{
Assert.AreEqual(row.Document.Database, db);
Assert.AreEqual(row.Key, expectedKey);
++expectedKey;
}
doneSignal.Signal();
}, manager.CapturedContext.Scheduler);
Console.WriteLine("Waiting for async query to finish...");
var success = task.Wait(TimeSpan.FromSeconds(130));
Assert.IsTrue(success, "Done signal timed out. Query.RunAsync() has never run or returned the result.");
}
/// <summary>Constructor</summary>
internal Query(Database database, MapDelegate mapFunction)
: this(database, database.MakeAnonymousView())
{
TemporaryView = true;
View.SetMap(mapFunction, string.Empty);
}
/// <exception cref="Couchbase.Lite.CouchbaseLiteException"></exception>
public virtual void TestViewIndex()
{
int numTimesMapFunctionInvoked = 0;
IDictionary <string, object> dict1 = new Dictionary <string, object>();
dict1["key"] = "one";
IDictionary <string, object> dict2 = new Dictionary <string, object>();
dict2["key"] = "two";
IDictionary <string, object> dict3 = new Dictionary <string, object>();
dict3["key"] = "three";
IDictionary <string, object> dictX = new Dictionary <string, object>();
dictX["clef"] = "quatre";
RevisionInternal rev1 = PutDoc(database, dict1);
RevisionInternal rev2 = PutDoc(database, dict2);
RevisionInternal rev3 = PutDoc(database, dict3);
PutDoc(database, dictX);
View view = database.GetView("aview");
var numTimesInvoked = 0;
MapDelegate mapBlock = (IDictionary <string, object> document, EmitDelegate emitter) =>
{
numTimesInvoked += 1;
NUnit.Framework.Assert.IsNotNull(document["_id"]);
NUnit.Framework.Assert.IsNotNull(document["_rev"]);
if (document["key"] != null)
{
emitter(document["key"], null);
}
};
view.SetMap(mapBlock, "1");
NUnit.Framework.Assert.AreEqual(1, view.GetViewId());
NUnit.Framework.Assert.IsTrue(view.IsStale());
view.UpdateIndex();
IList <IDictionary <string, object> > dumpResult = view.Dump();
Log.V(Tag, "View dump: " + dumpResult);
NUnit.Framework.Assert.AreEqual(3, dumpResult.Count);
NUnit.Framework.Assert.AreEqual("\"one\"", dumpResult[0]["key"]);
NUnit.Framework.Assert.AreEqual(1, dumpResult[0]["seq"]);
NUnit.Framework.Assert.AreEqual("\"two\"", dumpResult[2]["key"]);
NUnit.Framework.Assert.AreEqual(2, dumpResult[2]["seq"]);
NUnit.Framework.Assert.AreEqual("\"three\"", dumpResult[1]["key"]);
NUnit.Framework.Assert.AreEqual(3, dumpResult[1]["seq"]);
//no-op reindex
NUnit.Framework.Assert.IsFalse(view.IsStale());
view.UpdateIndex();
// Now add a doc and update a doc:
RevisionInternal threeUpdated = new RevisionInternal(rev3.GetDocId(), rev3.GetRevId
(), false, database);
numTimesMapFunctionInvoked = mapBlock.GetNumTimesInvoked();
IDictionary <string, object> newdict3 = new Dictionary <string, object>();
newdict3["key"] = "3hree";
threeUpdated.SetProperties(newdict3);
Status status = new Status();
rev3 = database.PutRevision(threeUpdated, rev3.GetRevId(), false, status);
NUnit.Framework.Assert.IsTrue(status.IsSuccessful());
// Reindex again:
NUnit.Framework.Assert.IsTrue(view.IsStale());
view.UpdateIndex();
// Make sure the map function was only invoked one more time (for the document that was added)
NUnit.Framework.Assert.AreEqual(mapBlock.GetNumTimesInvoked(), numTimesMapFunctionInvoked
+ 1);
IDictionary <string, object> dict4 = new Dictionary <string, object>();
dict4["key"] = "four";
RevisionInternal rev4 = PutDoc(database, dict4);
RevisionInternal twoDeleted = new RevisionInternal(rev2.GetDocId(), rev2.GetRevId
(), true, database);
database.PutRevision(twoDeleted, rev2.GetRevId(), false, status);
NUnit.Framework.Assert.IsTrue(status.IsSuccessful());
// Reindex again:
NUnit.Framework.Assert.IsTrue(view.IsStale());
view.UpdateIndex();
dumpResult = view.Dump();
Log.V(Tag, "View dump: " + dumpResult);
NUnit.Framework.Assert.AreEqual(3, dumpResult.Count);
NUnit.Framework.Assert.AreEqual("\"one\"", dumpResult[2]["key"]);
NUnit.Framework.Assert.AreEqual(1, dumpResult[2]["seq"]);
NUnit.Framework.Assert.AreEqual("\"3hree\"", dumpResult[0]["key"]);
NUnit.Framework.Assert.AreEqual(5, dumpResult[0]["seq"]);
NUnit.Framework.Assert.AreEqual("\"four\"", dumpResult[1]["key"]);
NUnit.Framework.Assert.AreEqual(6, dumpResult[1]["seq"]);
// Now do a real query:
IList <QueryRow> rows = view.QueryWithOptions(null);
NUnit.Framework.Assert.AreEqual(3, rows.Count);
NUnit.Framework.Assert.AreEqual("one", rows[2].Key);
NUnit.Framework.Assert.AreEqual(rev1.GetDocId(), rows[2].DocumentId);
NUnit.Framework.Assert.AreEqual("3hree", rows[0].Key);
NUnit.Framework.Assert.AreEqual(rev3.GetDocId(), rows[0].DocumentId);
NUnit.Framework.Assert.AreEqual("four", rows[1].Key);
NUnit.Framework.Assert.AreEqual(rev4.GetDocId(), rows[1].DocumentId);
view.DeleteIndex();
}
