protected void Initialize(bool makeNew, DatabaseBuilder builder)
{
if (makeNew)
{
builder.CreateDatastore();
}
else if (!makeNew && !Exists)
{
throw new FileNotFoundException();
}
String dbVersion = this.ReadGlobalValue("Database", "Version");
if (dbVersion != null)
{
DatabaseVersion = dbVersion;
}
this.SchemaVersion = this.ExecuteScalar<long>("PRAGMA user_version;");
builder.UpdateDatastore();
try
{
this.LogMessage("File Opened", "normal");
}
catch (FMSC.ORM.ReadOnlyException)
{/*ignore, in case we want to allow access to a read-only DB*/}
}
/// <summary>
/// Creates a DAL instance for a database @ path.
/// </summary>
/// <exception cref="ArgumentNullException">path can not be null or an empty string</exception>
/// <exception cref="IOException">File extension is not valid <see cref="VALID_EXTENSIONS"/></exception>
/// <exception cref="UnauthorizedAccessException">File open in another application or thread</exception>
public DAL(string path, bool makeNew, DatabaseBuilder builder) : base(path)
{
Debug.Assert(builder != null);
System.Diagnostics.Debug.Assert(!String.IsNullOrEmpty(path), "path is null or empty");
builder.Datastore = this;
Path = path;
this.Initialize(makeNew, builder);
Logger.Log.V(String.Format("Created DAL instance. Path = {0}\r\n", Path));
}