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

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C# / CSharp Open Source » Persistence Frameworks » iBATIS.NET 
iBATIS.NET » IBatisNet » Common » Utilities » Objects » Members » ReflectionPropertySetAccessor.cs
#region Apache Notice
/*****************************************************************************
 * $Revision: 374175 $
 * $LastChangedDate: 2006-04-30 10:41:07 +0200 (dim., 30 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="ReflectionPropertySetAccessor"/> class provides an reflection set access   
    /// to a property of a specified target class.
    /// </summary>
    public sealed class ReflectionPropertySetAccessor : ISetAccessor
    {
        private PropertyInfo _propertyInfo = null;
    private string _propertyName = string.Empty;
    private Type _targetType = null;

        /// <summary>
        /// Initializes a new instance of the <see cref="ReflectionPropertySetAccessor"/> class.
        /// </summary>
        /// <param name="targetType">Type of the target.</param>
        /// <param name="propertyName">Name of the property.</param>
    public ReflectionPropertySetAccessor(Type targetType, string propertyName)
    {
      ReflectionInfo reflectionCache = ReflectionInfo.GetInstance( targetType );
            _propertyInfo = (PropertyInfo)reflectionCache.GetSetter(propertyName);

      _targetType = targetType;
      _propertyName = propertyName;
        }

        #region IAccessor Members

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

        /// <summary>
        /// Gets the type of this property.
        /// </summary>
        public Type MemberType
        {
            get { return _propertyInfo.PropertyType; }
        }

        #endregion

        #region ISet Members
        
        /// <summary>
    /// Sets the value for the property of the specified target.
    /// </summary>
    /// <param name="target">Object to set the property on.</param>
    /// <param name="value">Property value.</param>
    public void Set(object target, object value)
    {
      if (_propertyInfo.CanWrite)
      {
        _propertyInfo.SetValue(target, value, null);
      }
      else
      {
        throw new NotSupportedException(
          string.Format("Property \"{0}\" on type "
          + "{1} doesn't have a set method.", _propertyName, _targetType));
      }
    }

        #endregion
    }
}
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