65 lines
2.4 KiB
C#
65 lines
2.4 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="EarlyBoundInfo.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="false">Microsoft</owner>
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//------------------------------------------------------------------------------
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using System.Diagnostics;
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using System.Reflection;
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namespace System.Xml.Xsl.Runtime {
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/// <summary>
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/// This class contains information about early bound function objects.
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/// </summary>
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internal sealed class EarlyBoundInfo {
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private string namespaceUri; // Namespace Uri mapped to these early bound functions
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private ConstructorInfo constrInfo; // Constructor for the early bound function object
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public EarlyBoundInfo(string namespaceUri, Type ebType) {
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Debug.Assert(namespaceUri != null && ebType != null);
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// Get the default constructor
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this.namespaceUri = namespaceUri;
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this.constrInfo = ebType.GetConstructor(Type.EmptyTypes);
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Debug.Assert(this.constrInfo != null, "The early bound object type " + ebType.FullName + " must have a public default constructor");
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}
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/// <summary>
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/// Get the Namespace Uri mapped to these early bound functions.
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/// </summary>
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public string NamespaceUri { get { return this.namespaceUri; } }
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/// <summary>
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/// Return the Clr Type of the early bound object.
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/// </summary>
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public Type EarlyBoundType { get { return this.constrInfo.DeclaringType; } }
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/// <summary>
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/// Create an instance of the early bound object.
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/// </summary>
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public object CreateObject() { return this.constrInfo.Invoke(new object[] {}); }
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/// <summary>
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/// Override Equals method so that EarlyBoundInfo to implement value comparison.
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/// </summary>
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public override bool Equals(object obj) {
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EarlyBoundInfo info = obj as EarlyBoundInfo;
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if (info == null)
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return false;
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return this.namespaceUri == info.namespaceUri && this.constrInfo == info.constrInfo;
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}
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/// <summary>
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/// Override GetHashCode since Equals is overriden.
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/// </summary>
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public override int GetHashCode() {
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return this.namespaceUri.GetHashCode();
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}
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}
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}
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