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Allocate less Lists

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This commit is contained in:
Bond_009
2023-03-01 00:44:57 +01:00
parent 54cd3e6d55
commit 4b01aaa0f7
24 changed files with 76 additions and 89 deletions
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33
Emby.Server.Implementations/Library/LibraryManager.cs
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@@ -356,8 +356,8 @@ namespace Emby.Server.Implementations.Library
}
var children = item.IsFolder
? ((Folder)item).GetRecursiveChildren(false).ToList()
: new List<BaseItem>();
? ((Folder)item).GetRecursiveChildren(false)
: Enumerable.Empty<BaseItem>();
foreach (var metadataPath in GetMetadataPaths(item, children))
{
@@ -1253,7 +1253,7 @@ namespace Emby.Server.Implementations.Library
var parent = GetItemById(query.ParentId);
if (parent is not null)
{
SetTopParentIdsOrAncestors(query, new List<BaseItem> { parent });
SetTopParentIdsOrAncestors(query, new[] { parent });
}
}
@@ -1277,7 +1277,7 @@ namespace Emby.Server.Implementations.Library
var parent = GetItemById(query.ParentId);
if (parent is not null)
{
SetTopParentIdsOrAncestors(query, new List<BaseItem> { parent });
SetTopParentIdsOrAncestors(query, new[] { parent });
}
}
@@ -1435,7 +1435,7 @@ namespace Emby.Server.Implementations.Library
var parent = GetItemById(query.ParentId);
if (parent is not null)
{
SetTopParentIdsOrAncestors(query, new List<BaseItem> { parent });
SetTopParentIdsOrAncestors(query, new[] { parent });
}
}
@@ -1455,7 +1455,7 @@ namespace Emby.Server.Implementations.Library
_itemRepository.GetItemList(query));
}
private void SetTopParentIdsOrAncestors(InternalItemsQuery query, List<BaseItem> parents)
private void SetTopParentIdsOrAncestors(InternalItemsQuery query, IReadOnlyCollection<BaseItem> parents)
{
if (parents.All(i => i is ICollectionFolder || i is UserView))
{
@@ -1602,7 +1602,7 @@ namespace Emby.Server.Implementations.Library
{
_logger.LogError(ex, "Error getting intros");
return new List<IntroInfo>();
return Enumerable.Empty<IntroInfo>();
}
}
@@ -2876,7 +2876,7 @@ namespace Emby.Server.Implementations.Library
private async Task SavePeopleMetadataAsync(IEnumerable<PersonInfo> people, CancellationToken cancellationToken)
{
var personsToSave = new List<BaseItem>();
List<BaseItem> personsToSave = null;
foreach (var person in people)
{
@@ -2918,12 +2918,12 @@ namespace Emby.Server.Implementations.Library
if (saveEntity)
{
personsToSave.Add(personEntity);
(personsToSave ??= new()).Add(personEntity);
await RunMetadataSavers(personEntity, itemUpdateType).ConfigureAwait(false);
}
}
if (personsToSave.Count > 0)
if (personsToSave is not null)
{
CreateItems(personsToSave, null, CancellationToken.None);
}
@@ -3085,22 +3085,19 @@ namespace Emby.Server.Implementations.Library
throw new ArgumentNullException(nameof(path));
}
var removeList = new List<NameValuePair>();
List<NameValuePair> removeList = null;
foreach (var contentType in _configurationManager.Configuration.ContentTypes)
{
if (string.IsNullOrWhiteSpace(contentType.Name))
{
removeList.Add(contentType);
}
else if (_fileSystem.AreEqual(path, contentType.Name)
if (string.IsNullOrWhiteSpace(contentType.Name)
|| _fileSystem.AreEqual(path, contentType.Name)
|| _fileSystem.ContainsSubPath(path, contentType.Name))
{
removeList.Add(contentType);
(removeList ??= new()).Add(contentType);
}
}
if (removeList.Count > 0)
if (removeList is not null)
{
_configurationManager.Configuration.ContentTypes = _configurationManager.Configuration.ContentTypes
.Except(removeList)