src/DotNetCommon.Core/Accessors/GenericAccessor.cs

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namespace DotNetCommon.Accessors
{
    using System;
    using System.Collections;
    using System.Diagnostics;
    using System.Reflection;
    using System.Runtime.CompilerServices;

    /// <summary>
    /// 快速访问给定类型的对象的属性值, 参照: <seealso cref="Accessor"/>
    /// </summary>
    /// <typeparam name="TInstance"></typeparam>
    public sealed class GenericAccessor<TInstance> : ObjectAccessor where TInstance : class
    {
        private readonly Hashtable
            _genericInstanceGettersCache,
            _genericInstanceSettersCache,
            _genericPropertiesGettersCache,
            _genericPropertiesSettersCache;
        private readonly Hashtable
            _genericFieldsGettersCache,
            _genericFieldsSettersCache;

        [DebuggerStepThrough]
        internal GenericAccessor(bool ignoreCase, bool includeNonPublic)
            : base(typeof(TInstance), ignoreCase, includeNonPublic)
        {
            //属性
            _genericPropertiesGettersCache = new Hashtable(Properties.Count, Comparer);
            _genericPropertiesSettersCache = new Hashtable(Properties.Count, Comparer);
            _genericInstanceGettersCache = new Hashtable(Properties.Count, Comparer);
            _genericInstanceSettersCache = new Hashtable(Properties.Count, Comparer);

            foreach (var pair in Properties)
            {
                var propName = pair.Key;
                var prop = pair.Value;

                if (prop.CanRead)
                {
                    _genericPropertiesGettersCache[propName] = AccessorBuilder.BuildGetter<TInstance>(prop, IncludesNonPublic);
                }

                if (prop.CanWrite)
                {
                    _genericPropertiesSettersCache[propName] = AccessorBuilder.BuildSetter<TInstance>(prop, IncludesNonPublic);
                }
            }

            //字段
            _genericFieldsGettersCache = new Hashtable(Fields.Count, Comparer);
            _genericFieldsSettersCache = new Hashtable(Fields.Count, Comparer);

            foreach (var pair in Fields)
            {
                var fieldName = pair.Key;
                var field = pair.Value;

                _genericFieldsGettersCache[fieldName] = AccessorBuilder.BuildGetter<TInstance>(field);