ReflectionFieldGetAccessor.cs :  » Persistence-Frameworks » iBATIS.NET » IBatisNet » Common » Utilities » Objects » Members » C# / CSharp Open Source

#region Apache Notice
/*****************************************************************************
 * $Revision: 374175 $
 * $LastChangedDate: 2006-04-05 22:23:27 +0200 (mer., 05 avr. 2006) $
 * $LastChangedBy: gbayon $
 * 
 * iBATIS.NET Data Mapper
 * Copyright (C) 2006/2005 - The Apache Software Foundation
 *  
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 ********************************************************************************/
#endregion

using System;
using System.Reflection;

namespace IBatisNet.Common.Utilities.Objects.Members{
    /// <summary>
    /// The <see cref="ReflectionFieldGetAccessor"/> class provides an reflection get access   
    /// to a field of a specified target class.
    /// </summary>
    public sealed class ReflectionFieldGetAccessor : IGetAccessor
    {
        private FieldInfo _fieldInfo = null;

        /// <summary>
        /// Initializes a new instance of the <see cref="ReflectionFieldGetAccessor"/> class.
        /// </summary>
        /// <param name="targetType">Type of the target.</param>
        /// <param name="fieldName">Name of the field.</param>
        public ReflectionFieldGetAccessor(Type targetType, string fieldName)
    {
      ReflectionInfo reflectionCache = ReflectionInfo.GetInstance( targetType );
      _fieldInfo = (FieldInfo)reflectionCache.GetGetter(fieldName);
        }

        #region IGetAccessor Members

        /// <summary>
        /// Gets the member name.
        /// </summary>
        public string Name
        {
            get { return _fieldInfo.Name; }
        }

        /// <summary>
        /// Gets the type of this member, such as field, property.
        /// </summary>
        public Type MemberType
        {
            get { return _fieldInfo.FieldType; }
        }

        /// <summary>
        /// Gets the value stored in the field for the specified target.       
        /// </summary>
        /// <param name="target">Object to retrieve the field/property from.</param>
        /// <returns>The field alue.</returns>
        public object Get(object target)
        {
            return _fieldInfo.GetValue(target);
        }

        #endregion
    }
}