src/DotNetCommon.Core/Accessors/ObjectAccessor.cs

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


    /// <summary>
    /// 快速访问给定类型的对象的属性值, 参照: <seealso cref="Accessor"/>
    /// </summary>
    public class ObjectAccessor : Accessor
    {
        private readonly Hashtable _objectGettersCache, _objectSettersCache;
        private readonly Hashtable _objectFieldGettersCache, _objectFieldSettersCache;

        [DebuggerStepThrough]
        internal ObjectAccessor(IReflect type, bool ignoreCase, bool includeNonPublic)
            : base(type, ignoreCase, includeNonPublic)
        {
            _objectGettersCache = new Hashtable(Properties.Count, Comparer);
            _objectSettersCache = new Hashtable(Properties.Count, Comparer);
            _objectFieldGettersCache = new Hashtable(Fields.Count, Comparer);
            _objectFieldSettersCache = new Hashtable(Fields.Count, Comparer);

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

                if (prop.CanRead)
                {
                    _objectGettersCache[propName] = AccessorBuilder.BuildGetter(prop, IncludesNonPublic);
                }

                if (prop.CanWrite)
                {
                    _objectSettersCache[propName] = AccessorBuilder.BuildSetter(prop, IncludesNonPublic);
                }
            }
            //字段
            foreach (var pair in Fields)
            {
                var propName = pair.Key;
                var field = pair.Value;

                _objectFieldGettersCache[propName] = AccessorBuilder.BuildGetter(field);
                if (!field.IsInitOnly)
                {
                    _objectFieldSettersCache[propName] = AccessorBuilder.BuildSetter(field);
                }
            }
        }

        /// <summary>
        /// 根据给定的对象和属性[字段]名称对属性[字段]进行读写操作
        /// </summary>
        public object this[object instance, string propertyOrFieldName]
        {