79 lines
2.5 KiB
C#
79 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using umbraco.interfaces;
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namespace Umbraco.Core.ObjectResolution
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{
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/// <summary>
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/// A resolver to return all IApplicationEvents objects
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/// </summary>
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internal sealed class ApplicationEventsResolver : ManyObjectsResolverBase<ApplicationEventsResolver, IApplicationEventHandler>
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{
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private readonly LegacyStartupHandlerResolver _legacyResolver;
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="applicationEventHandlers"></param>
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internal ApplicationEventsResolver(IEnumerable<Type> applicationEventHandlers)
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: base(applicationEventHandlers)
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{
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//create the legacy resolver and only include the legacy types
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_legacyResolver = new LegacyStartupHandlerResolver(
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applicationEventHandlers.Where(x => !TypeHelper.IsTypeAssignableFrom<IApplicationEventHandler>(x)));
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}
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/// <summary>
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/// Override in order to only return types of IApplicationEventHandler and above,
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/// do not include the legacy types of IApplicationStartupHandler
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/// </summary>
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protected override IEnumerable<Type> InstanceTypes
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{
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get { return base.InstanceTypes.Where(TypeHelper.IsTypeAssignableFrom<IApplicationEventHandler>); }
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}
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/// <summary>
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/// Gets the <see cref="IApplicationEventHandler"/> implementations.
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/// </summary>
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public IEnumerable<IApplicationEventHandler> ApplicationEventHandlers
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{
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get { return Values; }
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}
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/// <summary>
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/// Create instances of all of the legacy startup handlers
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/// </summary>
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public void InstantiateLegacyStartupHandlers()
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{
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//this will instantiate them all
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var handlers = _legacyResolver.LegacyStartupHandlers;
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}
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protected override bool SupportsClear
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{
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get { return false; }
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}
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protected override bool SupportsInsert
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{
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get { return false; }
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}
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private class LegacyStartupHandlerResolver : ManyObjectsResolverBase<ApplicationEventsResolver, IApplicationStartupHandler>
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{
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internal LegacyStartupHandlerResolver(IEnumerable<Type> legacyStartupHandlers)
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: base(legacyStartupHandlers)
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{
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}
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public IEnumerable<IApplicationStartupHandler> LegacyStartupHandlers
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{
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get { return Values; }
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}
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}
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}
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} |