/// <summary>
/// Mounts a namespace to the specified adapter.
/// </summary>
public void Mount(string nameSpace, StorageAdapterBase adapter)
{
using (Logger.EnterScope(nameof(StorageManager), Ctx, nameof(Mount)))
{
if (string.IsNullOrEmpty(nameSpace))
{
Logger.Error(this.Ctx, Tag, nameof(Mount), null, CdmLogCode.ErrStorageNullNamespace);
return;
}
if (adapter != null)
{
if (adapter is StorageAdapterBase adapterBase)
{
adapterBase.Ctx = this.Ctx;
}
this.NamespaceAdapters[nameSpace] = adapter;
CdmFolderDefinition fd = new CdmFolderDefinition(this.Ctx, "");
fd.Corpus = this.Corpus as CdmCorpusDefinition;
fd.Namespace = nameSpace;
fd.FolderPath = "/";
this.NamespaceFolders[nameSpace] = fd;
this.systemDefinedNamespaces.Remove(nameSpace);
}
else
{
Logger.Error(this.Ctx, Tag, nameof(Mount), null, CdmLogCode.ErrStorageNullAdapter);
}
}
}
/// <summary>
/// Allow replacing a storage adapter with another one for testing, leaving folders intact.
/// </summary>
internal void SetAdapter(string nameSpace, StorageAdapterBase adapter)
{
if (string.IsNullOrEmpty(nameSpace))
{
Logger.Error(this.Ctx, Tag, nameof(SetAdapter), null, CdmLogCode.ErrStorageNullNamespace);
return;
}
if (adapter != null)
{
this.NamespaceAdapters[nameSpace] = adapter;
}
else
{
Logger.Error(this.Ctx, Tag, nameof(SetAdapter), null, CdmLogCode.ErrStorageNullAdapter);
}
}
/// <summary>
/// Takes a corpus path, figures out the right adapter to use and then returns an adapter domain path.
/// </summary>
public string CorpusPathToAdapterPath(string corpusPath)
{
using (Logger.EnterScope(nameof(StorageManager), Ctx, nameof(CorpusPathToAdapterPath)))
{
if (string.IsNullOrEmpty(corpusPath))
{
Logger.Error(this.Ctx, Tag, nameof(CorpusPathToAdapterPath), null, CdmLogCode.ErrStorageNullCorpusPath);
return(null);
}
string result = "";
// break the corpus path into namespace and ... path
Tuple <string, string> pathTuple = StorageUtils.SplitNamespacePath(corpusPath);
if (pathTuple == null)
{
Logger.Error(this.Ctx, Tag, nameof(CorpusPathToAdapterPath), null, CdmLogCode.ErrStorageNullCorpusPath);
return(null);
}
string nameSpace = pathTuple.Item1;
if (string.IsNullOrWhiteSpace(nameSpace))
{
nameSpace = this.DefaultNamespace;
}
// get the adapter registered for this namespace
StorageAdapterBase namespaceAdapter = this.FetchAdapter(nameSpace);
if (namespaceAdapter == null)
{
Logger.Error(this.Ctx, Tag, nameof(CorpusPathToAdapterPath), null, CdmLogCode.ErrStorageNamespaceNotRegistered, nameSpace);
}
else
{
// ask the storage adapter to 'adapt' this path
result = namespaceAdapter.CreateAdapterPath(pathTuple.Item2);
}
return(result);
}
}
public CacheContext(StorageAdapterBase adapter)
{
this.adapter = adapter;
this.adapter.activeCacheContexts.Add(this);
}
/// <summary>
/// Saves adapters config into a file.
/// </summary>
/// <param name="name">The name of a file.</param>
/// <param name="adapter">The adapter used to save the config to a file.</param>
public async Task SaveAdaptersConfigAsync(string name, StorageAdapterBase adapter)
{
await adapter.WriteAsync(name, FetchConfig());
}