private bool TryOpenMappingFile(ITracer tracer, string localCacheRoot, out FileBasedDictionary <string, string> mappingFile, out string errorMessage)
{
mappingFile = null;
errorMessage = string.Empty;
string error;
string mappingFilePath = Path.Combine(localCacheRoot, MappingFile);
if (!FileBasedDictionary <string, string> .TryCreate(
tracer,
mappingFilePath,
this.fileSystem,
out mappingFile,
out error))
{
errorMessage = "Could not open mapping file for local cache: " + error;
EventMetadata metadata = CreateEventMetadata();
metadata.Add("mappingFilePath", mappingFilePath);
metadata.Add("error", error);
tracer.RelatedError(metadata, "TryOpenMappingFile: Could not open mapping file for local cache");
return(false);
}
return(true);
}
public static bool TryInitialize(ITracer tracer, PhysicalFileSystem fileSystem, string dotGSDPath, out string error)
{
string dictionaryPath = Path.Combine(dotGSDPath, GSDConstants.DotGSD.Databases.RepoMetadata);
if (Instance != null)
{
if (!Instance.repoMetadata.DataFilePath.Equals(dictionaryPath, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(
string.Format(
"TryInitialize should never be called twice with different parameters. Expected: '{0}' Actual: '{1}'",
Instance.repoMetadata.DataFilePath,
dictionaryPath));
}
}
else
{
Instance = new RepoMetadata(tracer);
if (!FileBasedDictionary <string, string> .TryCreate(
tracer,
dictionaryPath,
fileSystem,
out Instance.repoMetadata,
out error))
{
return(false);
}
}
error = null;
return(true);
}
private bool TryLoadSettings(out string error)
{
if (this.allSettings == null)
{
FileBasedDictionary <string, string> config = null;
if (FileBasedDictionary <string, string> .TryCreate(
tracer: null,
dictionaryPath: this.configFile,
fileSystem: this.fileSystem,
output: out config,
error: out error,
keyComparer: StringComparer.OrdinalIgnoreCase))
{
this.allSettings = config;
return(true);
}
return(false);
}
error = null;
return(true);
}
