// Copyright Keysight Technologies 2012-2019
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at http://mozilla.org/MPL/2.0/.
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using System;
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using System.Collections.Generic;
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namespace OpenTap
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{
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/// <summary>
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/// Searches for "types" and returns them as ITypeData objects. The OpenTAP type system calls all implementations of this.
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/// </summary>
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public interface ITypeDataSearcher
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{
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/// <summary> Get all types found by the search.
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/// Null will cause Search() to be called (again) before accessing this. </summary>
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IEnumerable<ITypeData> Types { get; }
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/// <summary>
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/// Performs an implementation specific search for types.
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/// Generates ITypeData objects for all types and populates the Types property with these.
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/// Always sets the Types property to some value (not null).
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/// </summary>
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void Search();
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}
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/// <summary> Event occuring when the TypeData cache has been invalidated. </summary>
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public class TypeDataCacheInvalidatedEventArgs : EventArgs
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{
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}
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/// <summary>
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/// A type data searcher with a cache invalidation event. This can be useful for notifying the rest of the TypeData system that
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/// new plugins has been found in this cache.
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/// </summary>
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public interface ITypeDataSearcherCacheInvalidated : ITypeDataSearcher
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{
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/// <summary> Should be invoked when the available type data for a given type data searcher has changed. </summary>
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event EventHandler<TypeDataCacheInvalidatedEventArgs> CacheInvalidated;
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}
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}
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