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Optimize Guid comparisons

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* Use Guid.Equals(Guid) instead of the == override
* Ban the usage of Guid.Equals(Object) to prevent accidental boxing
* Compare to default(Guid) instead of Guid.Empty
This commit is contained in:
Bond_009
2022-02-21 14:15:09 +01:00
parent bbac59c6d6
commit f50a250cd9
66 changed files with 355 additions and 326 deletions
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34
Emby.Server.Implementations/Library/LibraryManager.cs
View File

@@ -755,7 +755,7 @@ namespace Emby.Server.Implementations.Library
Path = path
};
if (folder.Id.Equals(Guid.Empty))
if (folder.Id.Equals(default))
{
if (string.IsNullOrEmpty(folder.Path))
{
@@ -774,7 +774,7 @@ namespace Emby.Server.Implementations.Library
folder = dbItem;
}
if (folder.ParentId != rootFolder.Id)
if (!folder.ParentId.Equals(rootFolder.Id))
{
folder.ParentId = rootFolder.Id;
folder.UpdateToRepositoryAsync(ItemUpdateType.MetadataImport, CancellationToken.None).GetAwaiter().GetResult();
@@ -1252,7 +1252,7 @@ namespace Emby.Server.Implementations.Library
/// <exception cref="ArgumentNullException"><paramref name="id"/> is <c>null</c>.</exception>
public BaseItem GetItemById(Guid id)
{
if (id == Guid.Empty)
if (id.Equals(default))
{
throw new ArgumentException("Guid can't be empty", nameof(id));
}
@@ -1274,7 +1274,7 @@ namespace Emby.Server.Implementations.Library
public List<BaseItem> GetItemList(InternalItemsQuery query, bool allowExternalContent)
{
if (query.Recursive && query.ParentId != Guid.Empty)
if (query.Recursive && !query.ParentId.Equals(default))
{
var parent = GetItemById(query.ParentId);
if (parent != null)
@@ -1298,7 +1298,7 @@ namespace Emby.Server.Implementations.Library
public int GetCount(InternalItemsQuery query)
{
if (query.Recursive && !query.ParentId.Equals(Guid.Empty))
if (query.Recursive && !query.ParentId.Equals(default))
{
var parent = GetItemById(query.ParentId);
if (parent != null)
@@ -1456,7 +1456,7 @@ namespace Emby.Server.Implementations.Library
public QueryResult<BaseItem> GetItemsResult(InternalItemsQuery query)
{
if (query.Recursive && !query.ParentId.Equals(Guid.Empty))
if (query.Recursive && !query.ParentId.Equals(default))
{
var parent = GetItemById(query.ParentId);
if (parent != null)
@@ -1512,7 +1512,7 @@ namespace Emby.Server.Implementations.Library
private void AddUserToQuery(InternalItemsQuery query, User user, bool allowExternalContent = true)
{
if (query.AncestorIds.Length == 0 &&
query.ParentId.Equals(Guid.Empty) &&
query.ParentId.Equals(default) &&
query.ChannelIds.Count == 0 &&
query.TopParentIds.Length == 0 &&
string.IsNullOrEmpty(query.AncestorWithPresentationUniqueKey) &&
@@ -1540,7 +1540,7 @@ namespace Emby.Server.Implementations.Library
}
// Translate view into folders
if (!view.DisplayParentId.Equals(Guid.Empty))
if (!view.DisplayParentId.Equals(default))
{
var displayParent = GetItemById(view.DisplayParentId);
if (displayParent != null)
@@ -1551,7 +1551,7 @@ namespace Emby.Server.Implementations.Library
return Array.Empty<Guid>();
}
if (!view.ParentId.Equals(Guid.Empty))
if (!view.ParentId.Equals(default))
{
var displayParent = GetItemById(view.ParentId);
if (displayParent != null)
@@ -2153,7 +2153,7 @@ namespace Emby.Server.Implementations.Library
return null;
}
while (!item.ParentId.Equals(Guid.Empty))
while (!item.ParentId.Equals(default))
{
var parent = item.GetParent();
if (parent == null || parent is AggregateFolder)
@@ -2231,7 +2231,9 @@ namespace Emby.Server.Implementations.Library
string viewType,
string sortName)
{
var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
var parentIdString = parentId.Equals(default)
? null
: parentId.ToString("N", CultureInfo.InvariantCulture);
var idValues = "38_namedview_" + name + user.Id.ToString("N", CultureInfo.InvariantCulture) + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
var id = GetNewItemId(idValues, typeof(UserView));
@@ -2265,7 +2267,7 @@ namespace Emby.Server.Implementations.Library
var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
if (!refresh && !item.DisplayParentId.Equals(Guid.Empty))
if (!refresh && !item.DisplayParentId.Equals(default))
{
var displayParent = GetItemById(item.DisplayParentId);
refresh = displayParent != null && displayParent.DateLastSaved > item.DateLastRefreshed;
@@ -2332,7 +2334,7 @@ namespace Emby.Server.Implementations.Library
var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
if (!refresh && !item.DisplayParentId.Equals(Guid.Empty))
if (!refresh && !item.DisplayParentId.Equals(default))
{
var displayParent = GetItemById(item.DisplayParentId);
refresh = displayParent != null && displayParent.DateLastSaved > item.DateLastRefreshed;
@@ -2365,7 +2367,9 @@ namespace Emby.Server.Implementations.Library
throw new ArgumentNullException(nameof(name));
}
var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
var parentIdString = parentId.Equals(default)
? null
: parentId.ToString("N", CultureInfo.InvariantCulture);
var idValues = "37_namedview_" + name + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
if (!string.IsNullOrEmpty(uniqueId))
{
@@ -2409,7 +2413,7 @@ namespace Emby.Server.Implementations.Library
var refresh = isNew || DateTime.UtcNow - item.DateLastRefreshed >= _viewRefreshInterval;
if (!refresh && !item.DisplayParentId.Equals(Guid.Empty))
if (!refresh && !item.DisplayParentId.Equals(default))
{
var displayParent = GetItemById(item.DisplayParentId);
refresh = displayParent != null && displayParent.DateLastSaved > item.DateLastRefreshed;