/// <summary>
/// 获取接口实例
/// </summary>
/// <typeparam name="T">业务接口</typeparam>
/// <param name="args">参数集合</param>
/// <returns>返回配置中中实现类的实例</returns>
public static T GetInstance <T>(object[] args)
{
string interfacetype = typeof(T).ToString();
InjectorItem item = InjectorConfigManager.GetInjectorItem(interfacetype);
if (item != null)
{
object obj = CacheInjector.GetFromCache(interfacetype);
//object obj = null;
if (obj == null)
{
string path = AppDomain.CurrentDomain.BaseDirectory + InjectorConfigManager.InjectorReflectPath + item.File;
obj = (item.IsGlobal ? Assembly.LoadFrom(path).CreateInstance(item.Instance, true, BindingFlags.CreateInstance, null, args, null, null) : Assembly.LoadFrom(path).GetType(item.Instance));
CacheInjector.SaveToCache(interfacetype, obj);
}
return(item.IsGlobal ? (T)obj : (T)Activator.CreateInstance((Type)obj, args));
}
return(default(T));
}
/// <summary>
/// 读取文件
/// </summary>
private static void LoadDatabaseConfig()
{
if (File.Exists(ConfigFilePath))
{
XmlDocument doc = new XmlDocument();
doc.Load(ConfigFilePath);
BusinessInters = new Dictionary <string, InjectorItem>();
// Modified by Michael Feng at 2013-05-08
XmlNodeList injectNodesList = doc.DocumentElement.SelectNodes("./Injector");
foreach (XmlNode node in injectNodesList)
{
bool isGlobal = true;
if (node != null && node.Attributes["global"] != null)
{
isGlobal = bool.Parse(node.Attributes["global"].Value);
}
if (node.Attributes["interface"] != null &&
node.Attributes["instance"] != null &&
node.Attributes["file"] != null &&
!string.IsNullOrEmpty(node.Attributes["interface"].Value) &&
!string.IsNullOrEmpty(node.Attributes["instance"].Value) &&
!string.IsNullOrEmpty(node.Attributes["file"].Value)
)
{
InjectorItem item = new InjectorItem();
item.InterFace = node.Attributes["interface"].Value;
item.Instance = node.Attributes["instance"].Value;
item.File = node.Attributes["file"].Value;
item.IsGlobal = isGlobal;
BusinessInters.Add(node.Attributes["interface"].Value, item);
}
}
}
}
/// <summary>
/// 重新加载配置信息
/// </summary>
private static void ReloadConfigFile()
{
try
{
if (File.Exists(ConfigFilePath))
{
XmlDocument doc = new XmlDocument();
doc.Load(ConfigFilePath);
// Modified by Michael Feng at 2013-05-08
XmlNodeList injectNodesList = doc.DocumentElement.SelectNodes("./Injector");
foreach (XmlNode node in injectNodesList)
{
bool isGlobal = true;
if (node.Attributes["global"] != null)
{
isGlobal = bool.Parse(node.Attributes["global"].Value);
}
if (node.Attributes["interface"] != null &&
node.Attributes["instance"] != null &&
node.Attributes["file"] != null &&
!string.IsNullOrEmpty(node.Attributes["interface"].Value) &&
!string.IsNullOrEmpty(node.Attributes["instance"].Value) &&
!string.IsNullOrEmpty(node.Attributes["file"].Value) &&
!string.IsNullOrEmpty(node.Attributes["file"].Value))
{
if (BusinessInters.ContainsKey(node.Attributes["interface"].Value) &&
(!BusinessInters[node.Attributes["interface"].Value].Instance.Equals(node.Attributes["instance"].Value) ||
!BusinessInters[node.Attributes["interface"].Value].File.Equals(node.Attributes["file"].Value)))
{
BusinessInters[node.Attributes["interface"].Value].Instance = node.Attributes["instance"].Value;
BusinessInters[node.Attributes["interface"].Value].File = node.Attributes["file"].Value;
BusinessInters[node.Attributes["interface"].Value].IsGlobal = isGlobal;
CacheInjector.RemoveCatche(node.Attributes["interface"].Value);
}
if (!BusinessInters.ContainsKey(node.Attributes["interface"].Value))
{
InjectorItem item = new InjectorItem();
item.InterFace = node.Attributes["interface"].Value;
item.Instance = node.Attributes["instance"].Value;
item.File = node.Attributes["file"].Value;
item.IsGlobal = isGlobal;
BusinessInters.Add(node.Attributes["interface"].Value, item);
}
}
}
string[] keys = new string[BusinessInters.Count];
BusinessInters.Keys.CopyTo(keys, 0);
foreach (string key in keys)
{
bool isExist = false;
foreach (XmlNode node in doc.DocumentElement.ChildNodes)
{
if (node.Attributes["interface"] != null &&
key.Equals(node.Attributes["interface"].Value))
{
isExist = true;
break;
}
}
if (isExist == false)
{
BusinessInters.Remove(key);
CacheInjector.RemoveCatche(key);
}
}
}
}
catch
{
}
}
