/// <summary>
/// Commits the insertion into the cache. Once this is called the entry
/// will be available to clients of the cache.
/// </summary>
/// <param name="debugInfo">Debug object for debugging.</param>
/// <returns>The final resource created.</returns>
/// <exception cref="IOException">
/// On errors during the commit.
/// </exception>
public IBinaryResource Commit(object debugInfo)
{
// The temp resource must be ours!
FileInfo targetFile = (FileInfo)_parent.GetContentFileFor(_resourceId);
try
{
FileUtils.Rename(_temporaryFile, targetFile);
}
catch (RenameException)
{
CacheErrorCategory category = CacheErrorCategory.WRITE_RENAME_FILE_OTHER;
_parent._cacheErrorLogger.LogError(
category,
typeof(DefaultDiskStorage),
"commit");
throw;
}
if (targetFile.Exists)
{
targetFile.LastWriteTime = _parent._clock.Now;
}
return(FileBinaryResource.CreateOrNull(targetFile));
}
/// <summary>
/// Remove the resource represented by the entry.
/// <param name="entry">Entry of the resource to delete.</param>
/// </summary>
/// <returns>
/// Size of deleted file if successfully deleted, -1 otherwise.
/// </returns>
public long Remove(IEntry entry)
{
// It should be one entry return by us :)
EntryImpl entryImpl = (EntryImpl)entry;
FileBinaryResource resource = (FileBinaryResource)entryImpl.Resource;
return(DoRemove(resource.File));
}
public EntryImpl(string id, FileInfo cachedFile)
{
Preconditions.CheckNotNull(cachedFile);
_id = Preconditions.CheckNotNull(id);
_resource = FileBinaryResource.CreateOrNull(cachedFile);
_size = -1;
_timestamp = default(DateTime);
}
/// <summary>
/// Get the resource with the specified name.
/// </summary>
/// <param name="resourceId">Id of the resource.</param>
/// <param name="debugInfo">Helper object for debugging.</param>
/// <returns>
/// The resource with the specified name. NULL if not found.
/// </returns>
/// <exception cref="IOException">
/// For unexpected behavior.
/// </exception>
public IBinaryResource GetResource(string resourceId, object debugInfo)
{
FileSystemInfo file = GetContentFileFor(resourceId);
if (file.Exists)
{
file.LastWriteTime = _clock.Now;
return(FileBinaryResource.CreateOrNull((FileInfo)file));
}
return(null);
}
