Big Comparer Class<\/p>\n\n\n\n
Includes: IBigEqualityComparer.cs<\/p>\n\n\n\n
using System;\nusing System.IO;\nusing System.Runtime.Serialization.Formatters.Binary;\n[Serializable]\npublic class BigComparer<T> : IBigEqualityComparer<T>\n{\n private static Type _type = typeof(T);\n private readonly BinaryFormatter _bf = new BinaryFormatter();\n private readonly bool _isPrimitive;\n private readonly MemoryStream _ms = new MemoryStream();\n private bool _disposed;\n public BigComparer()\n {\n _isPrimitive = IsPrimitive();\n }\n public bool Equals(T x, T y)\n {\n if (x == null || y == null)\n return false;\n if (_isPrimitive)\n return x.Equals(y);\n if (_type == null)\n _type = x.GetType();\n if (_type.IsArray)\n {\n if (!_isPrimitive)\n {\n var xb = GetBytesObjectSerial(x);\n var yb = GetBytesObjectSerial(y);\n return xb.Compare(yb);\n }\n else\n {\n var xb = GetBytesObject(x);\n var yb = GetBytesObject(y);\n return xb.Compare(yb);\n }\n }\n return x.Equals(y);\n }\n public long GetHashCode(T obj)\n {\n if (_isPrimitive)\n return obj.GetHashCode();\n if (_type == null)\n _type = obj.GetType();\n var result = 0xCBF29CE484222325;\n byte[] buf;\n buf = !_isPrimitive ? GetBytesObjectSerial(obj) : GetBytesObject(obj);\n foreach (var b in buf)\n result = (result ^ b) * 0x100000001B3;\n return (long) result;\n }\n private void Dispose(bool disposing)\n {\n if (!_disposed)\n if (disposing)\n _ms?.Close();\n _disposed = true;\n }\n public byte[] GetBytesObjectSerial(object value)\n {\n if (_type == null)\n _type = value.GetType();\n if (!_type.IsSerializable)\n throw new Exception(\"Error: Object is not Serializable.\");\n _ms.SetLength(0);\n _bf.Serialize(_ms, value);\n return _ms.ToArray().SubArray(0, (int) _ms.Length);\n }\n public bool IsPrimitive()\n {\n if (_type == null)\n _type = typeof(T);\n switch (Type.GetTypeCode(_type))\n {\n case TypeCode.Boolean:\n case TypeCode.Char:\n case TypeCode.SByte:\n case TypeCode.Byte:\n case TypeCode.Int16:\n case TypeCode.UInt16:\n case TypeCode.Int32:\n case TypeCode.UInt32:\n case TypeCode.Single:\n case TypeCode.String:\n case TypeCode.Decimal:\n case TypeCode.DateTime:\n case TypeCode.Int64:\n case TypeCode.UInt64:\n case TypeCode.Double:\n return true;\n default:\n return false;\n }\n }\n public byte[] GetBytesObject(object obj)\n {\n if (_type == null)\n _type = obj.GetType();\n switch (_type.Name.Trim('[', ']'))\n {\n case \"Byte\":\n return !_type.IsArray ? new[] {(byte) obj} : (byte[]) obj;\n case \"Boolean\":\n return !_type.IsArray ? ((bool) obj).GetBytes() : ((bool[]) obj).GetBytes();\n case \"SByte\":\n return !_type.IsArray ? ((sbyte) obj).GetBytes() : ((sbyte[]) obj).GetBytes();\n case \"Char\":\n return !_type.IsArray ? ((char) obj).GetBytes() : ((char[]) obj).GetBytes();\n case \"Int16\":\n return !_type.IsArray ? ((short) obj).GetBytes() : ((short[]) obj).GetBytes();\n case \"UInt16\":\n return !_type.IsArray ? ((ushort) obj).GetBytes() : ((ushort[]) obj).GetBytes();\n case \"Int32\":\n return !_type.IsArray ? ((int) obj).GetBytes() : ((int[]) obj).GetBytes();\n case \"UInt32\":\n return !_type.IsArray ? ((uint) obj).GetBytes() : ((uint[]) obj).GetBytes();\n case \"Int64\":\n return !_type.IsArray ? ((long) obj).GetBytes() : ((long[]) obj).GetBytes();\n case \"UInt64\":\n return !_type.IsArray ? ((ulong) obj).GetBytes() : ((ulong[]) obj).GetBytes();\n case \"Single\":\n return !_type.IsArray ? ((float) obj).GetBytes() : ((float[]) obj).GetBytes();\n case \"Double\":\n return !_type.IsArray ? ((double) obj).GetBytes() : ((double[]) obj).GetBytes();\n case \"String\":\n return !_type.IsArray ? ((string) obj).GetBytes() : ((string[]) obj).GetBytes();\n case \"Decimal\":\n return !_type.IsArray ? ((decimal) obj).GetBytes() : ((decimal[]) obj).GetBytes();\n case \"DateTime\":\n return !_type.IsArray ? ((DateTime) obj).GetBytes() : ((DateTime[]) obj).GetBytes();\n }\n return GetBytesObjectSerial(obj);\n }\n}\n\npublic interface IBigEqualityComparer<in T>\n{\n bool Equals(T x, T y);\n long GetHashCode(T obj);\n}\n\npublic interface IBigEqualityComparer32<in T>\n{\n bool Equals(T x, T y);\n int GetHashCode(T obj);\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"Big Comparer Class Includes: IBigEqualityComparer.cs<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/284"}],"collection":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/comments?post=284"}],"version-history":[{"count":4,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/284\/revisions"}],"predecessor-version":[{"id":301,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/284\/revisions\/301"}],"wp:attachment":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/media?parent=284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/categories?post=284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/tags?post=284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}