/// <summary>
/// Loads the specified library.
/// </summary>
/// <param name="libraryReference">The library reference to consider.</param>
/// <returns>Returns the loaded library.</returns>
private IBdoLog LoadLibrary(IBdoAssemblyReference libraryReference)
{
var log = new BdoLog();
if (libraryReference != null && _loadOptions?.SourceKinds != null)
{
try
{
Assembly assembly = null;
// first we load the assembly
IBdoLog firstLog = new BdoLog()
{
DisplayName = "Loading library '" + libraryReference.Name + "'"
};
foreach (DatasourceKind dataSourceKind in _loadOptions?.SourceKinds)
{
IBdoLog subLog = firstLog.AddSubLog(title: "Loading assembly from '" + dataSourceKind.ToString() + "'", eventKind: EventKinds.Message);
switch (dataSourceKind)
{
case DatasourceKind.Memory:
if (!string.IsNullOrEmpty(libraryReference.Name))
{
assembly = AppDomainPool.LoadAssembly(_appDomain, libraryReference.Name, subLog);
}
else
{
subLog?.AddWarning("File name missing");
}
break;
case DatasourceKind.Repository:
string fileName = libraryReference.FileName;
if (string.IsNullOrEmpty(fileName))
{
fileName = libraryReference.Name + ".dll";
}
string filePath = _loadOptions.LibraryFolderPath.EndingWith(@"\").ToPath() + fileName;
if (!File.Exists(filePath))
{
subLog?.AddError("Could not find the assembly file path '" + filePath + "'");
}
else
{
assembly = AppDomainPool.LoadAssemblyFromFile(_appDomain, filePath, subLog);
if (assembly == null)
{
subLog?.AddError("Could not load assembly '" + filePath + "'");
}
else
{
subLog?.AddCheckpoint("Loading assembly from file '" + filePath + "'");
assembly = Assembly.LoadFrom(filePath);
}
}
break;
case DatasourceKind.RestApi:
break;
}
if (assembly != null)
{
subLog?.AddMessage("Assembly loaded");
break;
}
}
// if we have an assembly then we index library items
if (assembly == null)
{
log?.AddSubLog(firstLog, p => p.HasErrorsOrExceptionsOrWarnings());
}
else
{
firstLog.GetEvents(true, EventKinds.Error, EventKinds.Exception).ForEach(p => p.Kind = EventKinds.Warning);
log?.AddSubLog(firstLog);
// we get the extension definition
IBdoExtensionDefinition extensionDefinition = ExtractExtensionDefinition(assembly, null, log);
// we load the using assemblies
if (extensionDefinition?.Dto?.UsingAssemblyFileNames != null)
{
foreach (var st in extensionDefinition.Dto.UsingAssemblyFileNames)
{
var fileName = st;
if (!fileName.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
{
fileName += ".dll";
}
IBdoAssemblyReference reference = BdoAssemblyReferenceFactory.Create(st).WithFileName(fileName);
log.AddSubLog(LoadExtensionsInStore(reference), title: "Loading using extensions...");
}
}
// we load the item definition specifiying the extension definition
foreach (BdoExtensionItemKind kind in new[] {
BdoExtensionItemKind.Carrier,
BdoExtensionItemKind.Connector,
BdoExtensionItemKind.Entity,
BdoExtensionItemKind.Handler,
BdoExtensionItemKind.Metrics,
BdoExtensionItemKind.Routine,
BdoExtensionItemKind.Scriptword,
BdoExtensionItemKind.Task
})
{
IBdoLog subSubLog = new BdoLog();
int count = LoadDictionary(assembly, kind, extensionDefinition, subSubLog);
if (subSubLog.HasErrorsOrExceptionsOrWarnings())
{
log.AddSubLog(
subSubLog,
title: "Dictionary '" + kind.ToString() + "' loaded (" + count.ToString() + " items added)");
}
else
{
log.AddMessage("Dictionary '" + kind.ToString() + "' loaded (" + count.ToString() + " items added)");
}
}
}
}
catch (Exception exception)
{
log?.AddException(exception);
}
}
return(log);
}