/// <summary>
/// Get an existing business object.
/// </summary>
/// <param name="objectType">Type of business object to retrieve.</param>
/// <param name="criteria">Criteria object describing business object.</param>
/// <param name="context">
/// <see cref="Server.DataPortalContext" /> object passed to the server.
/// </param>
public DataPortalResult Fetch(Type objectType, object criteria, DataPortalContext context)
{
try
{
SetContext(context);
Authorize(new AuthorizeRequest(objectType, criteria, DataPortalOperations.Fetch));
DataPortalResult result;
DataPortalMethodInfo method = DataPortalMethodCache.GetFetchMethod(objectType, criteria);
IDataPortalServer portal;
switch (method.TransactionalType)
{
case TransactionalTypes.EnterpriseServices:
portal = new ServicedDataPortal();
try
{
result = portal.Fetch(objectType, criteria, context);
}
finally
{
((ServicedDataPortal)portal).Dispose();
}
break;
case TransactionalTypes.TransactionScope:
portal = new TransactionalDataPortal();
result = portal.Fetch(objectType, criteria, context);
break;
default:
portal = new DataPortalSelector();
result = portal.Fetch(objectType, criteria, context);
break;
}
return(result);
}
catch (Csla.Server.DataPortalException ex)
{
Exception tmp = ex;
throw;
}
catch (Exception ex)
{
throw new DataPortalException(
"DataPortal.Fetch " + Resources.FailedOnServer,
new DataPortalExceptionHandler().InspectException(objectType, criteria, "DataPortal.Fetch", ex),
new DataPortalResult());
}
finally
{
ClearContext(context);
}
}
/// <summary>
/// Get an existing business object.
/// </summary>
/// <param name="objectType">Type of business object to retrieve.</param>
/// <param name="criteria">Criteria object describing business object.</param>
/// <param name="context">
/// <see cref="Server.DataPortalContext" /> object passed to the server.
/// </param>
public DataPortalResult Fetch(Type objectType, object criteria, DataPortalContext context)
{
try
{
SetContext(context);
DataPortalResult result;
MethodInfo method = MethodCaller.GetMethod(
objectType, "DataPortal_Fetch", criteria);
IDataPortalServer portal;
switch (TransactionalType(method))
{
case TransactionalTypes.EnterpriseServices:
portal = new ServicedDataPortal();
try
{
result = portal.Fetch(objectType, criteria, context);
}
finally
{
((ServicedDataPortal)portal).Dispose();
}
break;
case TransactionalTypes.TransactionScope:
portal = new TransactionalDataPortal();
result = portal.Fetch(objectType, criteria, context);
break;
default:
portal = new SimpleDataPortal();
result = portal.Fetch(objectType, criteria, context);
break;
}
return(result);
}
finally
{
ClearContext(context);
}
}