69 lines
1.8 KiB
C#
69 lines
1.8 KiB
C#
// <copyright file="ObjectArrayEqualityComparer.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Collections.Generic;
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namespace OpenTelemetry.Metrics
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{
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internal class ObjectArrayEqualityComparer : IEqualityComparer<object[]>
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{
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public bool Equals(object[] obj1, object[] obj2)
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{
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if (ReferenceEquals(obj1, obj2))
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{
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return true;
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}
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if (ReferenceEquals(obj1, null) || ReferenceEquals(obj2, null))
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{
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return false;
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}
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var len1 = obj1.Length;
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if (len1 != obj2.Length)
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{
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return false;
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}
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for (int i = 0; i < len1; i++)
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{
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if (!obj1[i].Equals(obj2[i]))
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{
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return false;
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}
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}
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return true;
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}
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public int GetHashCode(object[] objs)
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{
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int hash = 17;
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unchecked
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{
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for (int i = 0; i < objs.Length; i++)
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{
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hash = (hash * 31) + objs[i].GetHashCode();
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}
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}
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return hash;
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}
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}
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}
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