/* Function: Dispose
*/
protected override void Dispose(bool strictRulesApply)
{
// If strict rules apply then the connection object will have to dispose of itself. We can't do it here.
if (!strictRulesApply && connection != null && connection.IsOpen)
{
if (databaseLock.IsLocked)
{
throw new Exception("Attempted to dispose of database when there were still locks held.");
}
Cleanup(Delegates.NeverCancel);
SaveSystemVariablesAndVersion();
connection.Dispose();
connection = null;
usedTopicIDs.Clear();
usedLinkIDs.Clear();
usedImageLinkIDs.Clear();
usedClassIDs.Clear();
usedContextIDs.Clear();
classIDReferenceChangeCache.Clear();
contextIDReferenceChangeCache.Clear();
SQLite.API.Result shutdownResult = SQLite.API.ShutDown();
if (shutdownResult != SQLite.API.Result.OK)
{
throw new SQLite.Exceptions.UnexpectedResult("Could not shut down SQLite.", shutdownResult);
}
}
}
/* Function: Start
*
* Dependencies:
*
* - <Config.Manager> must be started before using the rest of the class.
*/
public bool Start(Errors.ErrorList errors)
{
EngineInstance.AddStartupWatcher(this);
SQLite.API.Result sqliteResult = SQLite.API.Initialize();
if (sqliteResult != SQLite.API.Result.OK)
{
throw new SQLite.Exceptions.UnexpectedResult("Could not initialize SQLite.", sqliteResult);
}
Path databaseFile = EngineInstance.Config.WorkingDataFolder + "/CodeDB.nd";
connection = new SQLite.Connection();
bool success = false;
if (!EngineInstance.HasIssues(StartupIssues.NeedToStartFresh |
StartupIssues.FileIDsInvalidated |
StartupIssues.CodeIDsInvalidated |
StartupIssues.CommentIDsInvalidated))
{
try
{
connection.Open(databaseFile, false);
Version version = GetVersion();
if (BinaryFile.IsCompatible(version, Engine.Instance.Version, "2.0.2") == true)
{
LoadSystemVariables();
success = true;
}
}
catch { }
}
if (!success)
{
connection.Dispose();
if (System.IO.File.Exists(databaseFile))
{
System.IO.File.Delete(databaseFile);
}
connection.Open(databaseFile, true);
CreateDatabase();
EngineInstance.AddStartupIssues(StartupIssues.CodeIDsInvalidated |
StartupIssues.CommentIDsInvalidated |
StartupIssues.NeedToReparseAllFiles,
dontNotify: this);
}
started = true;
return(true);
}
/* Function: Start
*
* Dependencies:
*
* - <Config.Manager> must be started before using the rest of the class.
*/
public bool Start(Errors.ErrorList errors)
{
SQLite.API.Result sqliteResult = SQLite.API.Initialize();
if (sqliteResult != SQLite.API.Result.OK)
{
throw new SQLite.Exceptions.UnexpectedResult("Could not initialize SQLite.", sqliteResult);
}
Path databaseFile = EngineInstance.Config.WorkingDataFolder + "/CodeDB.nd";
connection = new SQLite.Connection();
bool success = false;
if (EngineInstance.Config.ReparseEverything == false)
{
try
{
connection.Open(databaseFile, false);
Version version = GetVersion();
if (Version.BinaryDataCompatibility(version, Engine.Instance.Version, "2.0") == true)
{
LoadSystemVariables();
success = true;
}
}
catch { }
}
if (!success)
{
connection.Dispose();
if (System.IO.File.Exists(databaseFile))
{
System.IO.File.Delete(databaseFile);
}
EngineInstance.Config.ReparseEverything = true;
reparsingEverything = true;
connection.Open(databaseFile, true);
CreateDatabase();
}
return(true);
}
public UnexpectedResult(string message, SQLite.API.Result result)
: base(message + " Unexpected SQLite result: " + result)
{
}