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//EntityControl.csusing System;using System.Collections;using NHibernate; namespace NHibernateWebDemo.DAL
{
public class EntityControl
{ private static EntityControl entity; private string _AssemblyName; static readonly object padlock = new object(); public static EntityControl CreateEntityControl(string AssemblyName) { if(entity == null) { lock(padlock) { if(entity == null) { entity = new EntityControl(); entity._AssemblyName = AssemblyName;
} } } return entity; } public void AddEntity(Object entity) { ISession session = SessionFactory.OpenSession(_AssemblyName); ITransaction transaction = session.BeginTransaction(); try { session.Save(entity); transaction.Commit(); } catch(Exception ex) { transaction.Rollback(); throw ex; } finally { session.Close(); } } public void UpdateEntity(Object entity,Object key) { ISession session = SessionFactory.OpenSession(_AssemblyName); ITransaction transaction = session.BeginTransaction(); try { session.Update(entity,key); transaction.Commit(); } catch(Exception ex) { transaction.Rollback(); throw ex; } finally { session.Close(); } } public void DeleteEntity(object entity) { ISession session = SessionFactory.OpenSession(_AssemblyName); ITransaction transaction = session.BeginTransaction(); try { session.Delete(entity); transaction.Commit(); } catch(Exception ex) { transaction.Rollback(); throw ex; } finally { session.Close(); } } public IList GetEntities(string strHQL) { IList lst; ISession session = SessionFactory.OpenSession(_AssemblyName); ITransaction transaction = session.BeginTransaction(); lst=session.Find(strHQL); transaction.Commit(); session.Close(); return lst; } }
}
