/// <summary>
/// 通过字段信息获得成员对象
/// </summary>
/// <param name="field">字段</param>
/// <returns>字段成员对象</returns>
/// <example>
/// <code lang="c#">
/// <![CDATA[
/// public class UserInfo{
/// public int ID;
///
/// public string Name;
/// }
/// UserInfo user= new UserInfo();
/// user.ID=1;
///
/// Type type=typeof(UserInfo);
/// FiledInfo filed=type.GetField("ID");
/// var member=Reflector.GetField(field);
///
/// int value=member.GetValue(user).ToType<int>();
///
/// member.SetValue(user,2);
///
/// ]]>
/// </code>
/// </example>
public static IMemberAccessor GetField(FieldInfo field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
IMemberAccessor accessor;
if (_fieldCache.TryGetValue(field, out accessor))
{
return(accessor);
}
lock (_fieldCache)
{
if (!_fieldCache.TryGetValue(field, out accessor))
{
accessor = _refFactory.GetFieldAccessor(field);
_fieldCache[field] = accessor;
}
}
return(accessor);
}
/// <summary>
/// 通过字段信息获得成员连接器
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public static IMemberAccessor GetAccessor(FieldInfo field)
{
IMemberAccessor accessor;
if (_fieldCache.TryGetValue(field, out accessor))
{
return(accessor);
}
lock (_fieldCache)
{
if (!_fieldCache.TryGetValue(field, out accessor))
{
accessor = _refFactory.GetFieldAccessor(field);
_fieldCache[field] = accessor;
}
}
return(accessor);
}