public void TimeStampPersistance()
{
Entry testEntry = new Entry();
testEntry.Message = "Hello World";
testEntry.TimeStamp = _beforeTest;
// This shouldn't be possible... since the method signature
// requires a generic type to be provided with the call...
_databaseWriter.Write(MONGO_COLLECTION_1_NAME, testEntry);
IEnumerable<Entry> returned = ReadMongoEntry<Entry>(MONGO_COLLECTION_1_NAME,testEntry.Message);
Assert.IsNotEmpty(returned);
Assert.AreEqual(1, returned.Count());
Assert.AreEqual(_beforeTest, testEntry.TimeStamp);
Assert.AreEqual(testEntry.TimeStamp, returned.First().TimeStamp);
Assert.AreEqual(testEntry.Message, returned.First().Message);
Assert.AreEqual(testEntry.ID, returned.First().ID);
returned = null;
DateTime now = System.DateTime.Now;
testEntry.TimeStamp = now;
// This shouldn't be possible... since the method signature
// requires a generic type to be provided with the call...
_databaseWriter.Write(MONGO_COLLECTION_1_NAME, testEntry);
returned = ReadMongoEntry<Entry>(MONGO_COLLECTION_1_NAME, testEntry.Message);
Assert.IsNotEmpty(returned);
Assert.AreEqual(1, returned.Count());
Assert.AreEqual(now, testEntry.TimeStamp);
Assert.AreEqual(testEntry.TimeStamp, returned.First().TimeStamp);
Assert.AreEqual(testEntry.Message, returned.First().Message);
Assert.AreEqual(testEntry.ID, returned.First().ID);
}
public async void Test()
{
_databaseConnection.Connect();
/////////////////////////////////////
// OPERATIONAL, CONTEXUAL SCOPE... //
/////////////////////////////////////
// create a Writer to write to the database
IWriter writer = new Writer(_databaseConnection);
// create a Reader to read from the database
IReader reader = new Reader(_databaseConnection);
// create an Updater to update the database
IUpdater updater = new Updater(_databaseConnection);
Entry exampleMongoDBEntry = new Entry();
exampleMongoDBEntry.Message = "Hello";
// write the object to the "MyFirstCollection" Collection that exists within the
// previously referenced "MyFirstDatabase" that was used to create the "writer" object
writer.Write<Entry>("MyFirstCollection", exampleMongoDBEntry);
IEnumerable<Entry> readEntrys = reader.Read<Entry>("MyFirstCollection", // within this collection...
"Message",// for the object field "Description"
"Hello");// return matches for 'Hello'
Assert.AreEqual(1, readEntrys.Count());
////////////////////////////////////
// AND ASYNCHRONOUS OPERATIONS... //
////////////////////////////////////
// read, write and update asynchronously using System.Threading.Task
IAsyncReader asyncReader = new AsyncReader(reader);
readEntrys = await asyncReader.ReadAsync<Entry>("MyFirstCollection", "Message", "Hello");
Assert.AreEqual(1, readEntrys.Count());
IAsyncWriter asyncWriter = new AsyncWriter(writer);
IAsyncUpdater asyncUpdater = new AsyncUpdater(updater);
// or delegate call backs
IAsyncDelegateReader asyncDelegateReader = new AsyncDelegateReader(reader);
asyncDelegateReader.AsyncReadCompleted += new ReadCompletedEvent(readerCallBack);
asyncDelegateReader.ReadAsync<Entry>("MyFirstCollection", "Message", "Hello");
_readerAutoResetEvent.WaitOne();
Assert.AreEqual(1, _asyncReadResults.Count());
IAsyncDelegateWriter asyncDelegateWriter = new AsyncDelegateWriter(writer);
IAsyncDelegateUpdater asyncDelegateUpdater = new AsyncDelegateUpdater(updater);
/////////////////////////////////////////////
// FOR A SERVER, DATABASE OR COLLECTION... //
/////////////////////////////////////////////
// get a little higher level with the EasyMongo.Database namespace to target a database for operations
IDatabaseReader databaseReader = new DatabaseReader(reader, asyncReader);
IDatabaseWriter databaseWriter = new DatabaseWriter(writer, asyncWriter);
IDatabaseUpdater databaseUpdater = new DatabaseUpdater(updater, asyncUpdater);
// or a little lower level with the EasyMongo.Collection namespace to target a specific Collection
ICollectionReader collectionReader = new CollectionReader(databaseReader, "MyFirstCollection");
ICollectionWriter collectionWriter = new CollectionWriter(databaseWriter, "MyFirstCollection");
ICollectionUpdater collectionUpdater = new CollectionUpdater(databaseUpdater, "MyFirstCollection");
///////////////////////////////////////////////
// TO RESTRICT CLIENT SCOPE (LAW OF DEMETER) //
///////////////////////////////////////////////
// operate only against "MyFirstDatabase"'s "MySecondCollection"
readEntrys = collectionReader.Read<Entry>("Message", "Hello");
Assert.AreEqual(1, readEntrys.Count());
/////////////////////
// GENERIC CLASSES //
/////////////////////
// Instead of defining generic type arguments at the method level,
// you can do it once at the class declaration
IWriter<Entry> writerT = new Writer<Entry>(writer);
writerT.Write("MySecondCollection", new Entry() { Message = "Goodbye World (Generically)" });
///////////////////////////////
// SIMPLIFY CREATION VIA IoC //
///////////////////////////////
// because EasyMongo is a componentized framework built with blocks of functionality, EasyMongo
// works great with DI containers and Inversion of Control.
// here's an example of using the nuget Ninject extension to load EasyMongo mappings and a conn
// string from configuration
Ninject.IKernel kernel = new Ninject.StandardKernel();
ICollectionUpdater<Entry> collectionUpdaterT = kernel.TryGet<ICollectionUpdater<Entry>>();
// the alternative to this would be:
IServerConnection serverConn = new ServerConnection(LOCAL_MONGO_SERVER_CONNECTION_STRING);
IDatabaseConnection databaseConnn = new DatabaseConnection(serverConn, "MyFirstDatabase");
IDatabaseUpdater databaseUpdatr = new DatabaseUpdater(updater, asyncUpdater);
ICollectionUpdater collectionUpdaterTheHardWay = new CollectionUpdater(databaseUpdater, "MySecondCollection");
/////////////////////////
// SIMPLE QUERIES... //
/////////////////////////
databaseReader.Read<Entry>("MyFirstCollection", "Message", "Hello");
readEntrys = await databaseReader.ReadAsync<Entry>("MyFirstCollection", "Message", "Hello");
Assert.AreEqual(1, readEntrys.Count());
/////////////////////////
// POWERFUL QUERIES... //
/////////////////////////
// when more robust querying is needed leverage power of underlying MongoDB driver IMongoQuery
IMongoQuery query1 = Query.Matches("Message", new BsonRegularExpression("HE", "i"));
IEnumerable<Entry> queryResults = reader.Execute<Entry>("MyFirstCollection", query1);
Assert.AreEqual(1, queryResults.Count());
Assert.AreEqual("Hello", queryResults.ElementAt(0).Message);
//////////////////////
// AND COMBINATIONS //
//////////////////////
Entry exampleMongoDBEntry2 = new Entry();
exampleMongoDBEntry2.Message = "Hello Again";
Entry exampleMongoDBEntry3 = new Entry();
exampleMongoDBEntry3.Message = "Goodbye";
writer.Write<Entry>("MyFirstCollection", exampleMongoDBEntry2);
writer.Write<Entry>("MyFirstCollection", exampleMongoDBEntry3);
// "AND" multiple IMongoQueries...
IMongoQuery query2 = Query.Matches("Message", new BsonRegularExpression("Again"));
queryResults = reader.ExecuteAnds<Entry>("MyFirstCollection", new []{ query1, query2});
Assert.AreEqual(1, queryResults.Count());
Assert.AreEqual("Hello Again", queryResults.ElementAt(0).Message);
// "OR" multiple IMongoQueries...
IMongoQuery query3 = Query.Matches("Message", new BsonRegularExpression("Goo"));
queryResults = reader.ExecuteOrs<Entry>("MyFirstCollection", new[] { query1, query2, query3 });
Assert.AreEqual(3, queryResults.Count());
Assert.AreEqual("Hello", queryResults.ElementAt(0).Message);
Assert.AreEqual("Hello Again", queryResults.ElementAt(1).Message);
Assert.AreEqual("Goodbye", queryResults.ElementAt(2).Message);
}