38 lines
1.3 KiB
C#
38 lines
1.3 KiB
C#
#pragma warning disable 659 // overrides AddToHashCodeCombiner instead
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namespace System.Web.Mvc.ExpressionUtil {
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq.Expressions;
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using System.Reflection;
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// MemberExpression fingerprint class
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// Expression of form xxx.FieldOrProperty
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[SuppressMessage("Microsoft.Usage", "CA2218:OverrideGetHashCodeOnOverridingEquals", Justification = "Overrides AddToHashCodeCombiner() instead.")]
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internal sealed class MemberExpressionFingerprint : ExpressionFingerprint {
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public MemberExpressionFingerprint(ExpressionType nodeType, Type type, MemberInfo member)
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: base(nodeType, type) {
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Member = member;
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}
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// http://msdn.microsoft.com/en-us/library/system.linq.expressions.memberexpression.member.aspx
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public MemberInfo Member { get; private set; }
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public override bool Equals(object obj) {
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MemberExpressionFingerprint other = obj as MemberExpressionFingerprint;
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return (other != null)
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&& Equals(this.Member, other.Member)
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&& this.Equals(other);
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}
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internal override void AddToHashCodeCombiner(HashCodeCombiner combiner) {
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combiner.AddObject(Member);
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base.AddToHashCodeCombiner(combiner);
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}
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}
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}
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