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U4-8469 - xml cache TLC

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This commit is contained in:
Stephan
2016-06-23 09:39:31 +02:00
parent 980683d25a
commit 5b28260f96
3 changed files with 121 additions and 116 deletions
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188
src/Umbraco.Web/PublishedCache/XmlPublishedCache/XmlPublishedContent.cs
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@@ -1,6 +1,5 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Xml;
using System.Xml.Serialization;
@@ -26,44 +25,26 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
/// </summary>
/// <param name="xmlNode">The Xml node.</param>
/// <param name="isPreviewing">A value indicating whether the published content is being previewed.</param>
public XmlPublishedContent(XmlNode xmlNode, bool isPreviewing)
private XmlPublishedContent(XmlNode xmlNode, bool isPreviewing)
{
_xmlNode = xmlNode;
_isPreviewing = isPreviewing;
InitializeStructure();
Initialize();
InitializeChildren();
}
/// <summary>
/// Initializes a new instance of the <c>XmlPublishedContent</c> class with an Xml node,
/// and a value indicating whether to lazy-initialize the instance.
/// </summary>
/// <param name="xmlNode">The Xml node.</param>
/// <param name="isPreviewing">A value indicating whether the published content is being previewed.</param>
/// <param name="lazyInitialize">A value indicating whether to lazy-initialize the instance.</param>
/// <remarks>Lazy-initializationg is NOT thread-safe.</remarks>
internal XmlPublishedContent(XmlNode xmlNode, bool isPreviewing, bool lazyInitialize)
{
_xmlNode = xmlNode;
_isPreviewing = isPreviewing;
InitializeStructure();
if (lazyInitialize == false)
{
Initialize();
InitializeChildren();
}
}
private readonly XmlNode _xmlNode;
private bool _initialized;
private readonly bool _isPreviewing;
private bool _nodeInitialized;
private bool _parentInitialized;
private bool _childrenInitialized;
private readonly ICollection<IPublishedContent> _children = new Collection<IPublishedContent>();
private IEnumerable<IPublishedContent> _children = Enumerable.Empty<IPublishedContent>();
private IPublishedContent _parent;
private int _id;
private PublishedContentType _contentType;
private Dictionary<string, IPublishedProperty> _properties;
private int _id;
private Guid _key;
private int _template;
private string _name;
@@ -78,28 +59,24 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
private DateTime _createDate;
private DateTime _updateDate;
private Guid _version;
private IPublishedProperty[] _properties;
private int _sortOrder;
private int _level;
private bool _isDraft;
private readonly bool _isPreviewing;
private PublishedContentType _contentType;
public override IEnumerable<IPublishedContent> Children
{
get
{
if (_initialized == false)
Initialize();
if (_childrenInitialized == false)
InitializeChildren();
return _children.OrderBy(x => x.SortOrder);
if (_nodeInitialized == false) InitializeNode();
if (_childrenInitialized == false) InitializeChildren();
return _children;
}
}
public override IPublishedProperty GetProperty(string alias)
{
return Properties.FirstOrDefault(x => x.PropertyTypeAlias.InvariantEquals(alias));
IPublishedProperty property;
return _properties.TryGetValue(alias, out property) ? property : null;
}
// override to implement cache
@@ -135,8 +112,8 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
if (_parentInitialized == false) InitializeParent();
return _parent;
}
}
@@ -145,8 +122,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _id;
}
}
@@ -155,8 +131,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _key;
}
}
@@ -165,8 +140,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _template;
}
}
@@ -175,8 +149,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _sortOrder;
}
}
@@ -185,8 +158,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _name;
}
}
@@ -195,8 +167,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _docTypeAlias;
}
}
@@ -205,8 +176,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _docTypeId;
}
}
@@ -215,8 +185,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _writerName;
}
}
@@ -225,8 +194,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _creatorName;
}
}
@@ -235,8 +203,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _writerId;
}
}
@@ -245,8 +212,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _creatorId;
}
}
@@ -255,8 +221,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _path;
}
}
@@ -265,8 +230,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _createDate;
}
}
@@ -275,8 +239,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _updateDate;
}
}
@@ -285,8 +248,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _version;
}
}
@@ -295,8 +257,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _urlName;
}
}
@@ -305,8 +266,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _level;
}
}
@@ -315,8 +275,7 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _isDraft;
}
}
@@ -325,9 +284,8 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
return _properties;
if (_nodeInitialized == false) InitializeNode();
return _properties.Values;
}
}
@@ -335,24 +293,26 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
get
{
if (_initialized == false)
Initialize();
if (_nodeInitialized == false) InitializeNode();
return _contentType;
}
}
private void InitializeStructure()
private void InitializeParent()
{
// load parent if it exists and is a node
if (_xmlNode == null) return;
var parent = _xmlNode == null ? null : _xmlNode.ParentNode;
var parent = _xmlNode.ParentNode;
if (parent == null) return;
if (parent.Name == "node" || (parent.Attributes != null && parent.Attributes.GetNamedItem("isDoc") != null))
_parent = (new XmlPublishedContent(parent, _isPreviewing, true)).CreateModel();
_parent = Get(parent, _isPreviewing);
// warn: this is not thread-safe...
_parentInitialized = true;
}
private void Initialize()
private void InitializeNode()
{
if (_xmlNode == null) return;
@@ -423,22 +383,27 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
if (nodes != null)
foreach (XmlNode n in nodes)
{
var attrs = n.Attributes;
if (attrs == null) continue;
var alias = UmbracoConfig.For.UmbracoSettings().Content.UseLegacyXmlSchema
? n.Attributes.GetNamedItem("alias").Value
? attrs.GetNamedItem("alias").Value
: n.Name;
propertyNodes[alias.ToLowerInvariant()] = n;
}
_properties = _contentType.PropertyTypes.Select(p =>
{
XmlNode n;
return propertyNodes.TryGetValue(p.PropertyTypeAlias.ToLowerInvariant(), out n)
? new XmlPublishedProperty(p, _isPreviewing, n)
: new XmlPublishedProperty(p, _isPreviewing);
}).Cast<IPublishedProperty>().ToArray();
_properties = _contentType.PropertyTypes.Select(p =>
{
XmlNode n;
return propertyNodes.TryGetValue(p.PropertyTypeAlias.ToLowerInvariant(), out n)
? new XmlPublishedProperty(p, _isPreviewing, n)
: new XmlPublishedProperty(p, _isPreviewing);
}).Cast<IPublishedProperty>().ToDictionary(
x => x.PropertyTypeAlias,
x => x,
StringComparer.OrdinalIgnoreCase);
// warn: this is not thread-safe...
_initialized = true;
_nodeInitialized = true;
}
private void InitializeChildren()
@@ -449,14 +414,37 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
var childXPath = UmbracoConfig.For.UmbracoSettings().Content.UseLegacyXmlSchema ? "node" : "* [@isDoc]";
var nav = _xmlNode.CreateNavigator();
var expr = nav.Compile(childXPath);
expr.AddSort("@sortOrder", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);
//expr.AddSort("@sortOrder", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);
var iterator = nav.Select(expr);
while (iterator.MoveNext())
_children.Add(
(new XmlPublishedContent(((IHasXmlNode)iterator.Current).GetNode(), _isPreviewing, true)).CreateModel());
_children = iterator.Cast<XPathNavigator>()
.Select(n => Get(((IHasXmlNode) n).GetNode(), _isPreviewing))
.OrderBy(x => x.SortOrder)
.ToList();
// warn: this is not thread-safe
_childrenInitialized = true;
}
/// <summary>
/// Gets an IPublishedContent corresponding to an Xml cache node.
/// </summary>
/// <param name="node">The Xml node.</param>
/// <param name="isPreviewing">A value indicating whether we are previewing or not.</param>
/// <returns>The IPublishedContent corresponding to the Xml cache node.</returns>
/// <remarks>Maintains a per-request cache of IPublishedContent items in order to make
/// sure that we create only one instance of each for the duration of a request. The
/// returned IPublishedContent is a model, if models are enabled.</remarks>
public static IPublishedContent Get(XmlNode node, bool isPreviewing)
{
// only 1 per request
var attrs = node.Attributes;
var id = attrs == null ? null : attrs.GetNamedItem("id").Value;
if (id.IsNullOrWhiteSpace()) throw new InvalidOperationException("Node has no ID attribute.");
var cache = ApplicationContext.Current.ApplicationCache.RequestCache;
var key = "XMLPUBLISHEDCONTENT_" + id; // dont bother with preview, wont change during request in v7
return (IPublishedContent) cache.GetCacheItem(key, () => (new XmlPublishedContent(node, isPreviewing)).CreateModel());
}
}
}