public static MarcelloDB.Session CreateSession()
{
var platform = new MarcelloDB.netfx.Platform();
var session = new MarcelloDB.Session(platform, @".");
return(session);
}
public DBLayer()
{
// Get the platform object for the database
IPlatform platform = new MarcelloDB.netfx.Platform();
// Getting the Personal Special Folder. The database will go here.
var dataPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
// Creating a database session
var session = new MarcelloDB.Session(platform, dataPath);
// Getting a collections file. Each collection in the file is a database table
var expensesFile = session["expenses.dat"];
// getting the meta data (count of records) from the meta data file
var expensesMetaDataFile = session["expensesMetaData.dat"];
// Getting the expenses table and mapping how it will be given an ID (The expense time stamp)
_expensesCollection = expensesFile.Collection <Expense, int>("expenses", e => e.ID);
// Getting the meta data table
_metaDataCollection = expensesMetaDataFile.Collection <MetaData, String>("metaData", e => e.Name);
// does this table have an auto incrementing key?
if (!DataBaseInitialized())
{
_expensesCount = new MetaData("expenses:count", 0);
_metaDataCollection.Persist(_expensesCount);
}
}
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
public App()
{
this.InitializeComponent();
this.Suspending += this.OnSuspending;
var dataFolderPath = Windows.Storage.ApplicationData.Current.LocalFolder.Path;
var session = new MarcelloDB.Session(new Platform(), dataFolderPath);
var collection = session["data"].Collection <Article, int, ArticleIndex>("articles", a => a.ID);
for (int i = 0; i < 1000; i++)
{
collection.Persist(new Article {
ID = i, Name = string.Format("Article_{0}", i)
});
}
for (int i = 0; i < 1000; i++)
{
var article = collection.Find(i);
System.Diagnostics.Debug.Assert(article != null);
}
foreach (var article in collection.Indexes.Name.Between("Article_110").And("Article_120"))
{
System.Diagnostics.Debug.Assert(article != null);
}
System.Diagnostics.Debug.Assert(
collection.Indexes.Name.Between("Article_110").AndIncluding("Article_120").Count() == 11
);
}
static void Main(string[] args)
{
var platform = new Platform();
var dataPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
//This code is platform independent so we can implement this in shared code.
// Injecting the platform here
// ||
var session = new MarcelloDB.Session(platform, dataPath);
var personsFile = session["persons.dat"];
var personsCollection = personsFile.Collection <Person, string>("persons", p => p.Id);
var jonSnow = new Person
{
Id = "123",
FirstName = "Jon",
Surname = "Snow",
Addresses = new List <Address>
{
new Address {
City = "Castle Black"
},
new Address {
City = "Winterfell"
},
}
};
personsCollection.Persist(jonSnow);
var foundJon = personsCollection.Find("123");
Console.WriteLine("Found Jon");
}
protected RepositoryBase()
{
_session = DependencyService.Get <IPlatformFactory>().GetSession();
_collection = GetCollection();
}
protected RepositoryBase(IPlatformFactory platformFactory)
{
_session = platformFactory.GetSession();
_collection = GetCollection();
}
