41 lines
1.6 KiB
C#
41 lines
1.6 KiB
C#
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#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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// MethodCallExpression fingerprint class
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// Expression of form xxx.Foo(...), xxx[...] (get_Item()), etc.
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[SuppressMessage("Microsoft.Usage", "CA2218:OverrideGetHashCodeOnOverridingEquals", Justification = "Overrides AddToHashCodeCombiner() instead.")]
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internal sealed class MethodCallExpressionFingerprint : ExpressionFingerprint {
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public MethodCallExpressionFingerprint(ExpressionType nodeType, Type type, MethodInfo method)
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: base(nodeType, type) {
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// Other properties on MethodCallExpression (like the argument count) are simply derived
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// from Type and Indexer, so they're not necessary for inclusion in the fingerprint.
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Method = method;
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}
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// http://msdn.microsoft.com/en-us/library/system.linq.expressions.methodcallexpression.method.aspx
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public MethodInfo Method { get; private set; }
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public override bool Equals(object obj) {
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MethodCallExpressionFingerprint other = obj as MethodCallExpressionFingerprint;
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return (other != null)
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&& Equals(this.Method, other.Method)
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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(Method);
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base.AddToHashCodeCombiner(combiner);
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}
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}
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}
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