/// <summary>
/// 获取对象值
/// </summary>
/// <param name="key">关键字</param>
/// <returns>返回关键字对应的值</returns>
public static PersistenceResolver GetPersistenceResolvers(string key)
{
try
{
readerWriterLockSlim.EnterReadLock();
if (persistenceResolvers == null)
{
persistenceResolvers = new Dictionary <string, PersistenceResolver>();
return(null);
}
PersistenceResolver value = null;
if (persistenceResolvers.TryGetValue(key, out value))
{
return(value);
}
return(null);
}
finally
{
if (readerWriterLockSlim.IsReadLockHeld)
{
readerWriterLockSlim.ExitReadLock();
}
}
}
/// <summary>
/// 写入对象值
/// </summary>
/// <param name="key">关键字</param>
/// <param name="value">关键字值</param>
public static void SetPersistenceResolvers(string key, PersistenceResolver value)
{
try
{
readerWriterLockSlim.EnterUpgradeableReadLock();
if (persistenceResolvers == null)
{
persistenceResolvers = new Dictionary <string, PersistenceResolver>();
}
if (persistenceResolvers.ContainsKey(key))
{
throw new ArgumentException(string.Format("{0} is exists in Persistence Cache."));
}
try
{
readerWriterLockSlim.EnterWriteLock();
persistenceResolvers.Add(key, value);
}
finally
{
if (readerWriterLockSlim.IsWriteLockHeld)
{
readerWriterLockSlim.ExitWriteLock();
}
}
}
finally
{
if (readerWriterLockSlim.IsUpgradeableReadLockHeld)
{
readerWriterLockSlim.ExitUpgradeableReadLock();
}
}
}
/// <summary>
/// 获取PersistenceResolve
/// </summary>
public static PersistenceResolver CreateResolver(Type entityType)
{
string key = string.Format("PersistenceResolver_{0}", entityType.ToString());
PersistenceResolver resolver = PersistenceCache.GetPersistenceResolvers(key);
if (resolver == null)
{
string[] temps = DbHelper.ProviderName.Split(new char[] { '.' });
if (temps.Length > 0)
{
Type type = Type.GetType(string.Format("EasySoft.Core.Persistence.RepositoryImplement.{0}PersistenceResolver", temps[temps.Length - 1]));
resolver = (PersistenceResolver)Activator.CreateInstance(type);
resolver.EntityType = entityType;
}
if (resolver == null)
{
throw new ArgumentNullException("PersistenceResolve");
}
PersistenceCache.SetPersistenceResolvers(key, resolver);
}
return(resolver);
}
