87 lines
3.3 KiB
C#
87 lines
3.3 KiB
C#
using System;
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using System.Web;
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namespace Umbraco.Core.Cache
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{
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/// <summary>
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/// Represents the application caches.
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/// </summary>
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public class AppCaches
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="AppCaches"/> for use in a web application.
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/// </summary>
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public AppCaches()
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: this(HttpRuntime.Cache)
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{ }
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/// <summary>
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/// Initializes a new instance of the <see cref="AppCaches"/> for use in a web application.
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/// </summary>
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public AppCaches(System.Web.Caching.Cache cache)
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: this(
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new WebCachingAppCache(cache),
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new HttpRequestAppCache(),
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new IsolatedCaches(t => new ObjectCacheAppCache()))
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{ }
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/// <summary>
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/// Initializes a new instance of the <see cref="AppCaches"/> with cache providers.
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/// </summary>
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public AppCaches(
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IAppPolicyCache runtimeCache,
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IAppCache requestCache,
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IsolatedCaches isolatedCaches)
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{
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RuntimeCache = runtimeCache ?? throw new ArgumentNullException(nameof(runtimeCache));
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RequestCache = requestCache ?? throw new ArgumentNullException(nameof(requestCache));
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IsolatedCaches = isolatedCaches ?? throw new ArgumentNullException(nameof(isolatedCaches));
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}
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/// <summary>
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/// Gets the special disabled instance.
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/// </summary>
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/// <remarks>
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/// <para>When used by repositories, all cache policies apply, but the underlying caches do not cache anything.</para>
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/// <para>Used by tests.</para>
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/// </remarks>
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public static AppCaches Disabled { get; } = new AppCaches(NoAppCache.Instance, NoAppCache.Instance, new IsolatedCaches(_ => NoAppCache.Instance));
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/// <summary>
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/// Gets the special no-cache instance.
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/// </summary>
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/// <remarks>
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/// <para>When used by repositories, all cache policies are bypassed.</para>
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/// <para>Used by repositories that do no cache.</para>
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/// </remarks>
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public static AppCaches NoCache { get; } = new AppCaches(NoAppCache.Instance, NoAppCache.Instance, new IsolatedCaches(_ => NoAppCache.Instance));
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/// <summary>
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/// Gets the per-request cache.
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/// </summary>
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/// <remarks>
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/// <para>The per-request caches works on top of the current HttpContext items.</para>
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/// <para>Outside a web environment, the behavior of that cache is unspecified.</para>
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/// </remarks>
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public IAppCache RequestCache { get; }
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/// <summary>
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/// Gets the runtime cache.
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/// </summary>
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/// <remarks>
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/// <para>The runtime cache is the main application cache.</para>
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/// </remarks>
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public IAppPolicyCache RuntimeCache { get; }
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/// <summary>
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/// Gets the isolated caches.
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/// </summary>
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/// <remarks>
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/// <para>Isolated caches are used by e.g. repositories, to ensure that each cached entity
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/// type has its own cache, so that lookups are fast and the repository does not need to
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/// search through all keys on a global scale.</para>
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/// </remarks>
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public IsolatedCaches IsolatedCaches { get; }
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}
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}
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