/// <summary>
/// Starts LiteDB database using a connection string for file system database
/// </summary>
public LiteDatabase(ConnectionString connectionString, BsonMapper mapper = null, Logger log = null)
{
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
_connectionString = connectionString;
_log = log ?? new Logger();
_log.Level = log?.Level ?? _connectionString.Log;
if (_connectionString.Upgrade)
{
LiteEngine.Upgrade(_connectionString.Filename, _connectionString.Password);
}
_mapper = mapper ?? BsonMapper.Global;
var options = new FileOptions
{
#if HAVE_SYNC_OVER_ASYNC
Async = _connectionString.Async,
#endif
#if HAVE_FLUSH_DISK
Flush = _connectionString.Flush,
#endif
InitialSize = _connectionString.InitialSize,
LimitSize = _connectionString.LimitSize,
Journal = _connectionString.Journal,
FileMode = _connectionString.Mode
};
_engine = new LazyLoad <LiteEngine>(() => new LiteEngine(new FileDiskService(_connectionString.Filename, options), _connectionString.Password, _connectionString.Timeout, _connectionString.CacheSize, _log, _connectionString.UtcDate));
}
public LiteCollection(string name, LazyLoad <LiteEngine> engine, BsonMapper mapper, Logger log)
{
_name = name ?? mapper.ResolveCollectionName(typeof(T));
_engine = engine;
_mapper = mapper;
_log = log;
_visitor = new QueryVisitor <T>(mapper);
_includes = new List <string>();
// if strong typed collection, get _id member mapped (if exists)
if (typeof(T) != typeof(BsonDocument))
{
var entity = mapper.GetEntityMapper(typeof(T));
_id = entity.Id;
if (_id != null && _id.AutoId)
{
_autoId =
_id.DataType == typeof(ObjectId) ? BsonType.ObjectId :
_id.DataType == typeof(Guid) ? BsonType.Guid :
_id.DataType == typeof(DateTime) ? BsonType.DateTime :
_id.DataType == typeof(Int32) ? BsonType.Int32 :
_id.DataType == typeof(Int64) ? BsonType.Int64 :
BsonType.Null;
}
}
else
{
_autoId = BsonType.ObjectId;
}
}
/// <summary>
/// Starts LiteDB database using a Stream disk
/// </summary>
public LiteDatabase(Stream stream, BsonMapper mapper = null, string password = null, bool disposeStream = false)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
_mapper = mapper ?? BsonMapper.Global;
_log = new Logger();
_engine = new LazyLoad <LiteEngine>(() => new LiteEngine(new StreamDiskService(stream, disposeStream), password: password, log: _log));
}
/// <summary>
/// Starts LiteDB database using a custom IDiskService with all parameters available
/// </summary>
/// <param name="diskService">Custom implementation of persist data layer</param>
/// <param name="mapper">Instance of BsonMapper that map poco classes to document</param>
/// <param name="password">Password to encrypt you datafile</param>
/// <param name="timeout">Locker timeout for concurrent access</param>
/// <param name="cacheSize">Max memory pages used before flush data in Journal file (when available)</param>
/// <param name="log">Custom log implementation</param>
public LiteDatabase(IDiskService diskService, BsonMapper mapper = null, string password = null, TimeSpan?timeout = null, int cacheSize = 5000, Logger log = null)
{
if (diskService == null)
{
throw new ArgumentNullException(nameof(diskService));
}
_mapper = mapper ?? BsonMapper.Global;
_log = log ?? new Logger();
_engine = new LazyLoad <LiteEngine>(() => new LiteEngine(diskService, password: password, timeout: timeout, cacheSize: cacheSize, log: _log));
}
