86 lines
3.2 KiB
C#
86 lines
3.2 KiB
C#
// Copyright 2016-2019, Pulumi Corporation
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using System;
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using System.Collections.Generic;
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namespace Pulumi
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{
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/// <summary>
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/// A bag of optional settings that control a <see cref="ComponentResource"/>'s behavior.
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/// </summary>
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public sealed class ComponentResourceOptions : ResourceOptions
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{
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private List<ProviderResource>? _providers;
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/// <summary>
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/// An optional set of providers to use for child resources.
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///
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/// Note: do not provide both <see cref="ResourceOptions.Provider"/> and <see
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/// cref="Providers"/>.
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/// </summary>
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public List<ProviderResource> Providers
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{
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get => _providers ?? (_providers = new List<ProviderResource>());
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set => _providers = value;
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}
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internal override ResourceOptions Clone()
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=> CreateComponentResourceOptionsCopy(this);
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/// <summary>
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/// Takes two <see cref="ComponentResourceOptions"/> values and produces a new
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/// <see cref="ComponentResourceOptions"/> with the respective
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/// properties of <paramref name="options2"/> merged over the same properties in <paramref
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/// name="options1"/>. The original options objects will be unchanged.
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/// <para/>
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/// A new instance will always be returned.
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/// <para/>
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/// Conceptually property merging follows these basic rules:
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/// <list type="number">
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/// <item>
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/// If the property is a collection, the final value will be a collection containing the
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/// values from each options object.
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/// </item>
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/// <item>
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/// Simple scalar values from <paramref name="options2"/> (i.e. <see cref="string"/>s,
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/// <see cref="int"/>s, <see cref="bool"/>s) will replace the values of <paramref
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/// name="options1"/>.
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/// </item>
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/// <item>
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/// <see langword="null"/> values in <paramref name="options2"/> will be ignored.
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/// </item>
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/// </list>
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/// </summary>
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public static ComponentResourceOptions Merge(ComponentResourceOptions? options1, ComponentResourceOptions? options2)
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{
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options1 = options1 != null ? CreateComponentResourceOptionsCopy(options1) : new ComponentResourceOptions();
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options2 = options2 != null ? CreateComponentResourceOptionsCopy(options2) : new ComponentResourceOptions();
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ExpandProviders(options1);
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ExpandProviders(options2);
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// first, merge all the normal option values over
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MergeNormalOptions(options1, options2);
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options1.Providers.AddRange(options2.Providers);
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if (options1.Providers.Count == 1)
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{
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options1.Provider = options1.Providers[0];
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options1.Providers.Clear();
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}
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return options1;
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static void ExpandProviders(ComponentResourceOptions options)
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{
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if (options.Provider != null)
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{
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options.Providers = new List<ProviderResource> { options.Provider };
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options.Provider = null;
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}
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}
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}
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}
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}
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