public LiteDB_Test(int count, string password, LiteDB.FileOptions options)
{
_count = count;
_filename = "dblite-" + Guid.NewGuid().ToString("n") + ".db";
var disk = new FileDiskService(_filename, options);
_db = new LiteEngine(disk, password);
}
static void Init()
{
if (!triedToInit)
{
triedToInit = true;
var fileName = GetCacheFileName();
if (!string.IsNullOrEmpty(fileName))
{
var folder = Path.GetDirectoryName(fileName);
try
{
//!!!!Android readonly?
bool readOnly = SystemSettings.CurrentPlatform == SystemSettings.Platform.UWP || SystemSettings.CurrentPlatform == SystemSettings.Platform.Android;
bool skip = false;
if (readOnly && !File.Exists(fileName))
{
skip = true;
}
if (!skip)
{
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
var options = new LiteDB.FileOptions();
//in UWP we do not have write access to the application folder
if (readOnly)
{
options.FileMode = LiteDB.FileMode.ReadOnly;
}
database = new LiteDatabase(new FileDiskService(fileName, options));
//!!!!
//in UWP we do not have write access to the application folder
//even if we set FileMode = LiteDB.FileMode.ReadOnly, EnsureIndex() method writes to disk. it is a LiteDB issue?
if (!readOnly)
{
var collection = database.GetCollection <DatabaseItem>("items");
collection.EnsureIndex("KeyIndex");
}
}
}
catch (Exception e)
{
Log.Warning(e.Message);
return;
}
}
}
}
public LiteDB_Test2(int count, string password, LiteDB.FileOptions options)
{
_count = count;
_filename = "dblite-" + Guid.NewGuid().ToString("n") + ".db";
var disk = new FileDiskService(_filename, options);
_db = new LiteDatabase(disk);
_collection = _db.GetCollection <TestDoc>();
}
public FileDiskService(string filename, FileOptions options)
{
// simple validations
if (filename.IsNullOrWhiteSpace()) throw new ArgumentNullException("filename");
if (options.InitialSize > options.LimitSize) throw new ArgumentException("limit size less than initial size");
// setting class variables
_filename = filename;
_options = options;
// journal filename
_journalFilename = FileHelper.GetTempFile(_filename, "-journal", false);
}
public IDiskService Disk(FileOptions options)
{
return(new FileDiskService(Filename, options));
}
