/// <summary>
/// Returns all instances found for the specified type according to the criteria
/// </summary>
public static Array FindAll(Type targetType, DetachedCriteria detachedCriteria, params Order[] orders)
{
EnsureInitialized(targetType);
ISession session = holder.CreateSession(targetType);
try
{
ICriteria criteria = detachedCriteria.GetExecutableCriteria(session);
AddOrdersToCriteria(criteria, orders);
return(SupportingUtils.BuildArray(targetType, criteria.List()));
}
catch (ValidationException)
{
holder.FailSession(session);
throw;
}
catch (Exception ex)
{
holder.FailSession(session);
throw ex;
}
finally
{
holder.ReleaseSession(session);
}
}
private object LoadActiveRecord(Type type, object pk, ARFetchAttribute attr, ActiveRecordModel model)
{
object obj = null;
if (pk != null && !String.Empty.Equals(pk))
{
PrimaryKeyModel pkModel = (PrimaryKeyModel)model.Ids[0];
Type pkType = pkModel.Property.PropertyType;
if (pk.GetType() != pkType)
{
pk = Convert.ChangeType(pk, pkType);
}
obj = SupportingUtils.FindByPK(type, pk, attr.Required);
}
if (obj == null && attr.Create)
{
obj = Activator.CreateInstance(type);
}
return(obj);
}
/// <summary>
/// Returns all instances found for the specified type according to the criteria
/// </summary>
/// <param name="targetType">The target type.</param>
/// <param name="detachedQuery">The query expression</param>
/// <returns>The <see cref="Array"/> of results.</returns>
public static Array FindAll(Type targetType, IDetachedQuery detachedQuery)
{
EnsureInitialized(targetType);
ISession session = holder.CreateSession(targetType);
try
{
IQuery executableQuery = detachedQuery.GetExecutableQuery(session);
return(SupportingUtils.BuildArray(targetType, executableQuery.List()));
}
catch (ValidationException)
{
holder.FailSession(session);
throw;
}
catch (Exception exception)
{
holder.FailSession(session);
throw new ActiveRecordException("Could not perform FindAll for " + targetType.Name, exception);
}
finally
{
holder.ReleaseSession(session);
}
}
protected override object CreateInstance(Type instanceType, String paramPrefix, NameValueCollection paramsList)
{
object instance = null;
bool shouldLoad = autoLoad || paramsList[paramPrefix + AutoLoadAttribute] == Yes;
if (shouldLoad && paramsList[paramPrefix + AutoLoadAttribute] == No)
{
shouldLoad = false;
}
if (shouldLoad)
{
if (instanceType.IsArray)
{
throw new RailsException("ARDataBinder autoload does not support arrays");
}
if (!typeof(ActiveRecordBase).IsAssignableFrom(instanceType))
{
throw new RailsException("ARDataBinder autoload only supports classes that inherit from ActiveRecordBase");
}
ActiveRecordModel model = ActiveRecordModel.GetModel(instanceType);
// NOTE: as of right now we only support one PK
if (model.Ids.Count == 1)
{
PrimaryKeyModel pkModel = model.Ids[0] as PrimaryKeyModel;
string propName = pkModel.Property.Name;
string paramListPk = (paramPrefix == String.Empty) ? propName : paramPrefix + "." + propName;
string propValue = paramsList.Get(paramListPk);
if (propValue != null)
{
object id = ConvertUtils.Convert(pkModel.Property.PropertyType, propValue, propName, null, null);
instance = SupportingUtils.FindByPK(instanceType, id);
}
else
{
throw new RailsException("ARDataBinder autoload failed as element {0} doesn't have a primary key {1} value", paramPrefix, propName);
}
}
}
else
{
instance = base.CreateInstance(instanceType, paramPrefix, paramsList);
}
return(instance);
}
/// <summary>
/// Returns a portion of the query results (sliced)
/// </summary>
public static Array SlicedFindAll(Type targetType, int firstResult, int maxresults,
Order[] orders, params ICriterion[] criterias)
{
EnsureInitialized(targetType);
ISession session = holder.CreateSession(targetType);
try
{
ICriteria sessionCriteria = session.CreateCriteria(targetType);
foreach (ICriterion cond in criterias)
{
sessionCriteria.Add(cond);
}
if (orders != null)
{
foreach (Order order in orders)
{
sessionCriteria.AddOrder(order);
}
}
sessionCriteria.SetFirstResult(firstResult);
sessionCriteria.SetMaxResults(maxresults);
return(SupportingUtils.BuildArray(targetType, sessionCriteria.List()));
}
catch (ValidationException)
{
holder.FailSession(session);
throw;
}
catch (Exception ex)
{
holder.FailSession(session);
throw new ActiveRecordException("Could not perform SlicedFindAll for " + targetType.Name, ex);
}
finally
{
holder.ReleaseSession(session);
}
}
protected override void PerformActionProcess(Controller controller)
{
object idVal = CommonOperationUtils.ReadPkFromParams(controller, ObtainPKProperty());
try
{
object instance = SupportingUtils.FindByPK(Model.Type, idVal);
controller.PropertyBag["armodel"] = Model;
controller.PropertyBag["instance"] = instance;
controller.PropertyBag["id"] = idVal;
}
catch (Exception ex)
{
throw new ScaffoldException("Could not obtain instance by using this id", ex);
}
}
protected override void PerformActionProcess(Controller controller)
{
object idVal = CommonOperationUtils.ReadPkFromParams(controller, ObtainPKProperty());
controller.PropertyBag["armodel"] = Model;
controller.PropertyBag["id"] = idVal;
try
{
object instance = SupportingUtils.FindByPK(Model.Type, idVal);
controller.PropertyBag["instance"] = instance;
(instance as ActiveRecordBase).Delete();
}
catch (Exception ex)
{
controller.PropertyBag["exception"] = ex;
}
}
/// <summary>
/// Returns a portion of the query results (sliced)
/// </summary>
public static Array SlicedFindAll(Type targetType, int firstResult, int maxResults,
Order[] orders, DetachedCriteria criteria)
{
EnsureInitialized(targetType);
ISession session = holder.CreateSession(targetType);
try
{
ICriteria executableCriteria = criteria.GetExecutableCriteria(session);
AddOrdersToCriteria(executableCriteria, orders);
executableCriteria.SetFirstResult(firstResult);
executableCriteria.SetMaxResults(maxResults);
return(SupportingUtils.BuildArray(targetType, executableCriteria.List()));
}
catch (ValidationException)
{
holder.FailSession(session);
throw;
}
catch (InvalidCastException ex)
{
holder.FailSession(session);
throw new ActiveRecordException("Could not perform SlicedFindAll for " + targetType.Name, ex);
}
catch (Exception ex)
{
holder.FailSession(session);
throw new ActiveRecordException("Could not perform SlicedFindAll for " + targetType.Name, ex);
}
finally
{
holder.ReleaseSession(session);
}
}
internal static object[] FindAll(Type type, String customWhere)
{
MethodInfo findAll = type.GetMethod("FindAll",
BindingFlags.Static | BindingFlags.Public, null, new Type[0], null);
object[] items = null;
if (findAll != null)
{
items = (object[])findAll.Invoke(null, null);
}
else
{
IList list = SupportingUtils.FindAll(type);
items = new object[list.Count];
list.CopyTo(items, 0);
}
return(items);
}
/// <summary>
/// Searches and returns the first row.
/// </summary>
/// <param name="targetType">The target type</param>
/// <param name="orders">The sort order - used to determine which record is the first one</param>
/// <param name="criterias">The criteria expression</param>
/// <returns>A <c>targetType</c> instance or <c>null</c></returns>
public static object FindFirst(Type targetType, Order[] orders, params ICriterion[] criterias)
{
EnsureInitialized(targetType);
ISession session = holder.CreateSession(targetType);
try
{
ICriteria sessionCriteria = session.CreateCriteria(targetType);
sessionCriteria.SetMaxResults(1);
foreach (ICriterion cond in criterias)
{
sessionCriteria.Add(cond);
}
AddOrdersToCriteria(sessionCriteria, orders);
return(SupportingUtils.BuildArray(targetType, sessionCriteria.List()));
}
catch (ValidationException)
{
holder.FailSession(session);
throw;
}
catch (Exception ex)
{
holder.FailSession(session);
throw new ActiveRecordException("Could not perform FindAll for " + targetType.Name, ex);
}
finally
{
holder.ReleaseSession(session);
}
}
protected override void PerformActionProcess(Controller controller)
{
ARDataBinder binder = new ARDataBinder();
object idVal = CommonOperationUtils.ReadPkFromParams(controller, ObtainPKProperty());
SessionScope scope = new SessionScope();
try
{
object instance = SupportingUtils.FindByPK(Model.Type, idVal);
binder.BindObjectInstance(instance, String.Empty, controller.Params, null, null);
CommonOperationUtils.SaveInstance(instance, controller, errors, prop2Validation);
scope.Dispose();
controller.Redirect(controller.AreaName, controller.Name, "list" + Model.Type.Name);
}
catch (Exception ex)
{
errors.Add("Could not save " + Model.Type.Name + ". " + ex.Message);
scope.Dispose(true);
}
if (errors.Count != 0)
{
controller.Context.Flash["errors"] = errors;
NameValueCollection parameters = new NameValueCollection();
parameters["id"] = idVal.ToString();
controller.Redirect(controller.AreaName, controller.Name, "edit" + Model.Type.Name, parameters);
}
}
/// <summary>
/// Executes the query and converts the results into a strongly-typed
/// array of <typeparamref name="T"/>.
/// </summary>
/// <param name="session">The <c>NHibernate</c>'s <see cref="ISession"/></param>
protected override object InternalExecute(ISession session)
{
IList results = (IList)base.InternalExecute(session);
return(SupportingUtils.BuildArray <T>(results, false));
}
protected Array GetResultsArray(Type t, IList list, int entityIndex, bool distinct)
{
return(SupportingUtils.BuildArray(t, list, entityIndex, distinct));
}
