public static object GetObject(this Session session, PersistentCriteriaEvaluationBehavior behavior, object o)
{
if (o == null)
{
return(null);
}
XPMemberInfo property = ((PersistentBase)o).ClassInfo.KeyProperty;
return(session.FindObject(behavior, o.GetType(), new BinaryOperator(property.Name, property.GetValue(o))));
}
public XpoObservableCollection(PersistentCriteriaEvaluationBehavior criteriaEvaluationBehavior, Session session, CriteriaOperator condition) : base(criteriaEvaluationBehavior, session, condition)
{
}
public static IEnumerable <TClassType> QueryObjects <TClassType>(this IObjectSpace objectSpace, Expression <Func <TClassType, bool> > expression, PersistentCriteriaEvaluationBehavior behavior = PersistentCriteriaEvaluationBehavior.InTransaction)
{
var objectType = objectSpace.TypesInfo.FindBussinessObjectType <TClassType>();
var criteriaOperator = objectSpace.GetCriteriaOperator(expression);
return(objectSpace.GetObjects(objectType, criteriaOperator, behavior == PersistentCriteriaEvaluationBehavior.InTransaction).Cast <TClassType>());
}
public static IEnumerable <TClassType> QueryObjects <TClassType>(this IObjectSpace objectSpace, PersistentCriteriaEvaluationBehavior behavior)
{
return(objectSpace.QueryObjects <TClassType>(null, behavior));
}
public static T FindObject <T>(this IObjectSpace objectSpace, Expression <Func <T, bool> > expression, PersistentCriteriaEvaluationBehavior persistentCriteriaEvaluationBehavior = PersistentCriteriaEvaluationBehavior.BeforeTransaction)
{
CriteriaOperator criteriaOperator;
Type objectType = typeof(T);
if (objectType.IsInterface)
{
objectType = XafTypesInfo.Instance.FindBussinessObjectType <T>();
criteriaOperator = GetCriteriaOperator(objectType, expression, (XPObjectSpace)objectSpace);
}
else
{
criteriaOperator = new XPQuery <T>(((XPObjectSpace)objectSpace).Session).TransformExpression(expression);
}
bool inTransaction = persistentCriteriaEvaluationBehavior == PersistentCriteriaEvaluationBehavior.InTransaction;
return((T)objectSpace.FindObject(objectType, criteriaOperator, inTransaction));
}
public XpandXPCollection(PersistentCriteriaEvaluationBehavior criteriaEvaluationBehavior, Session session, Expression <Func <T, bool> > expression)
: base(criteriaEvaluationBehavior, session, new XPQuery <T>(session).TransformExpression(expression))
{
}
public XpandXPCollection(PersistentCriteriaEvaluationBehavior criteriaEvaluationBehavior, Session session, Expression <Func <T, bool> > condition, bool selectDeleted)
: base(criteriaEvaluationBehavior, session, new XPQuery <T>(session).TransformExpression(condition), selectDeleted)
{
}
public XpandXPCollection(PersistentCriteriaEvaluationBehavior criteriaEvaluationBehavior, Session session, CriteriaOperator condition, bool selectDeleted) : base(criteriaEvaluationBehavior, session, condition, selectDeleted)
{
}
public static TClassType FindObject <TClassType>(this Session session, PersistentCriteriaEvaluationBehavior persistentCriteriaEvaluationBehavior, Expression <Func <TClassType, bool> > expression)
{
return((TClassType)
session.FindObject(persistentCriteriaEvaluationBehavior, typeof(TClassType), new XPQuery <TClassType>(session).TransformExpression(expression)));
}
public static T FindObject <T>(this XPObjectSpace objectSpace, Expression <Func <T, bool> > expression, PersistentCriteriaEvaluationBehavior persistentCriteriaEvaluationBehavior)
{
var objectType = XafTypesInfo.Instance.FindBussinessObjectType <T>();
CriteriaOperator criteriaOperator = GetCriteriaOperator(objectType, expression, objectSpace);
bool inTransaction = persistentCriteriaEvaluationBehavior == PersistentCriteriaEvaluationBehavior.InTransaction;
return((T)objectSpace.FindObject(objectType, criteriaOperator, inTransaction));
}
