public bool OnPreUpdate(IDataInvocation invocation)
{
if (invocation.Entity.GetType() == typeof(Employee))
{
// change the last name to a different value and proceed:
((Employee)invocation.Entity).Name.LastName = "updated";
}
return(true);
}
public void ExecuteOnInsert(IDataInvocation invocation)
{
var canProceed = true;
var insertInterceptors = ResolveForInterceptor <IInsertInterceptor>();
if (insertInterceptors != null && insertInterceptors.Count() > 0)
{
// pre-insert interceptors:
foreach (var interceptor in insertInterceptors)
{
#if DEBUG
Type theEntity = invocation.Entity.GetType().IsProxy()
? invocation.Entity.GetType().BaseType
: invocation.Entity.GetType();
_environment.Logger.DebugFormat("Intercepting insert for '{0}' " +
"with interceptor '{1}' for OnPreInsert(...).",
theEntity.FullName,
interceptor.GetType().Name);
#endif
canProceed = interceptor.OnPreInsert(invocation);
if (!canProceed)
{
break;
}
}
if (canProceed)
{
// do the insert operation:
((DataInvocation)invocation).Proceed();
// post-insert interceptors:
foreach (var interceptor in insertInterceptors)
{
#if DEBUG
Type theEntity = invocation.Entity.GetType().IsProxy()
? invocation.Entity.GetType().BaseType
: invocation.Entity.GetType();
_environment.Logger.DebugFormat("Intercepting insert for '{0}' " +
"with interceptor '{1}' for OnPostInsert(...).",
theEntity.FullName,
interceptor.GetType().Name);
#endif
interceptor.OnPostInsert(invocation);
}
}
}
else
{
((DataInvocation)invocation).Proceed();
}
}
public bool OnPreInsert(IDataInvocation invocation)
{
if (invocation.Entity.GetType() == typeof(Employee))
{
// change the last name to a different value and proceed:
((Employee)invocation.Entity).Name.LastName = "inserted";
}
// return true to invoke the insert action on the entity:
return(true);
}
public bool OnPreDelete(IDataInvocation invocation)
{
if (invocation.Entity.GetType() == typeof(Employee))
{
// mark the entity as deleted, but do not call proceed
// or we will remove the entity from the persistance store,
// we will update the entity in the persistance store with
// a custom flag instead:
((Employee)invocation.Entity).IsDeleted = true;
invocation.Session.Save(invocation.Entity as Employee);
}
// do not proceed with the delete action:
return(false);
}
public void OnPostDelete(IDataInvocation invocation)
{
// never called when OnPreDelete returns false...
}
public void OnPostUpdate(IDataInvocation invocation)
{
}
public void OnPostInsert(IDataInvocation invocation)
{
}
public void OnPostDelete(IDataInvocation invocation)
{
}
public bool OnPreDelete(IDataInvocation invocation)
{
return(true);
}
