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