Files
Umbraco-CMS/src/Umbraco.Core/Scoping/IScopeProvider.cs
2017-12-18 17:02:15 +01:00

97 lines
4.1 KiB
C#

using System;
using System.Data;
using Umbraco.Core.Events;
using Umbraco.Core.Persistence;
#if DEBUG_SCOPES
using System.Collections.Generic;
#endif
namespace Umbraco.Core.Scoping
{
/// <summary>
/// Provides scopes.
/// </summary>
public interface IScopeProvider
{
/// <summary>
/// Creates an ambient scope.
/// </summary>
/// <param name="isolationLevel">The transaction isolation level.</param>
/// <param name="repositoryCacheMode">The repositories cache mode.</param>
/// <param name="eventDispatcher">An optional events dispatcher.</param>
/// <param name="scopeFileSystems">A value indicating whether to scope the filesystems.</param>
/// <param name="callContext">A value indicating whether this scope should always be registered in the call context.</param>
/// <param name="autoComplete">A value indicating whether this scope is auto-completed.</param>
/// <returns>The created ambient scope.</returns>
/// <remarks>
/// <para>The created scope becomes the ambient scope.</para>
/// <para>If an ambient scope already exists, it becomes the parent of the created scope.</para>
/// <para>When the created scope is disposed, the parent scope becomes the ambient scope again.</para>
/// <para>Parameters must be specified on the outermost scope, or must be compatible with the parents.</para>
/// <para>Auto-completed scopes should be used for read-only operations ONLY. Do not use them if you do not
/// understand the associated issues, such as the scope being completed even though an exception is thrown.</para>
/// </remarks>
IScope CreateScope(
IsolationLevel isolationLevel = IsolationLevel.Unspecified,
RepositoryCacheMode repositoryCacheMode = RepositoryCacheMode.Unspecified,
IEventDispatcher eventDispatcher = null,
bool? scopeFileSystems = null,
bool callContext = false,
bool autoComplete = false);
/// <summary>
/// Creates a detached scope.
/// </summary>
/// <returns>A detached scope.</returns>
/// <param name="isolationLevel">The transaction isolation level.</param>
/// <param name="repositoryCacheMode">The repositories cache mode.</param>
/// <param name="eventDispatcher">An optional events dispatcher.</param>
/// <param name="scopeFileSystems">A value indicating whether to scope the filesystems.</param>
/// <remarks>
/// <para>A detached scope is not ambient and has no parent.</para>
/// <para>It is meant to be attached by <see cref="AttachScope"/>.</para>
/// </remarks>
IScope CreateDetachedScope(
IsolationLevel isolationLevel = IsolationLevel.Unspecified,
RepositoryCacheMode repositoryCacheMode = RepositoryCacheMode.Unspecified,
IEventDispatcher eventDispatcher = null,
bool? scopeFileSystems = null);
/// <summary>
/// Attaches a scope.
/// </summary>
/// <param name="scope">The scope to attach.</param>
/// <param name="callContext">A value indicating whether to force usage of call context.</param>
/// <remarks>
/// <para>Only a scope created by <see cref="CreateDetachedScope"/> can be attached.</para>
/// </remarks>
void AttachScope(IScope scope, bool callContext = false);
/// <summary>
/// Detaches a scope.
/// </summary>
/// <returns>The detached scope.</returns>
/// <remarks>
/// <para>Only a scope previously attached by <see cref="AttachScope"/> can be detached.</para>
/// </remarks>
IScope DetachScope();
/// <summary>
/// Gets the scope context.
/// </summary>
IScopeContext Context { get; }
/// <summary>
/// Gets the sql context.
/// </summary>
ISqlContext SqlContext { get; }
#if DEBUG_SCOPES
Dictionary<Guid, object> CallContextObjects { get; }
IEnumerable<ScopeInfo> ScopeInfos { get; }
ScopeInfo GetScopeInfo(IScope scope);
#endif
}
}