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);
}
}
public static MarcelloDB.Session CreateSession()
{
var platform = new MarcelloDB.netfx.Platform();
var session = new MarcelloDB.Session(platform, @".");
return(session);
}
public void Add_1000_ToFile()
{
EnsureFolder("data");
var platform = new MarcelloDB.netfx.Platform();
using (var session = new Session(platform, "./data/"))
{
var articles = session["data"].Collection <Article, int>("articles", a => a.ID);
var ids = new List <int>();
for (int i = 1; i < 1000; i++)
{
ids.Add(i);
var a = new Article {
ID = i, Name = "Article " + i.ToString()
};
articles.Persist(a);
}
for (int i = 1; i < 1000; i++)
{
var a = articles.Find(i);
Assert.NotNull(a, "Article with ID: " + i.ToString() + " Should have been found");
Assert.AreEqual(i, a.ID, "Article " + i.ToString() + " Should have been found.");
}
var savedIds = articles.All.Select(a => a.ID);
Assert.AreEqual(ids, savedIds);
}
}
public static Session CreateSession()
{
var platform = new MarcelloDB.netfx.Platform();
var documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal); // Documents folder
var libraryPath = Path.Combine(documentsPath, "..", "Library"); // Library folder
var path = Path.Combine(libraryPath, "DbFiles");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
return(new Session(platform, path));
}
public static Session CreateSession()
{
var platform = new MarcelloDB.netfx.Platform();
string documentsPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal); // Documents folder
var path = Path.Combine(documentsPath, "dbfiles");
var directory = new DirectoryInfo(path);
if (!directory.Exists)
{
directory.Create();
}
return(new Session(platform, path));
}
public TimeSpan Run()
{
Stopwatch w;
var dataPath = Path.Combine(Environment.CurrentDirectory, "data");
EnsureFolder(dataPath);
var platform = new MarcelloDB.netfx.Platform();
using (var session = new Session(platform, dataPath))
{
this.Collection = session["data"].Collection <Person, int, PersonIndexes>("persons", p => p.ID);
OnSetup();
w = Stopwatch.StartNew();
OnRun();
}
w.Stop();
return(w.Elapsed);
}
public void Save_To_File_Stream()
{
EnsureFolder("data");
var platform = new MarcelloDB.netfx.Platform();
using (var session = new Session(platform, "./data/"))
{
var articles = session["data"].Collection <Article, int>("articles", a => a.ID);
var toiletPaper = Article.ToiletPaper;
var spinalTapDvd = Article.SpinalTapDvd;
var barbieDoll = Article.BarbieDoll;
articles.Persist(toiletPaper);
articles.Persist(spinalTapDvd);
articles.Persist(barbieDoll);
var articleNames = articles.All.Select(a => a.Name).ToList();
Assert.AreEqual(new List <string> {
toiletPaper.Name, spinalTapDvd.Name, barbieDoll.Name
}, articleNames);
}
}
