public bool ActivateFor(Row row)
{
if (ReferenceEquals(null, Target))
{
return(false);
}
attr = Target.GetAttribute <LinkingSetRelationAttribute>();
if (attr == null)
{
return(false);
}
if (!(row is IIdRow))
{
throw new ArgumentException(String.Format("Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but it doesn't implement IIdRow!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
var listType = Target.ValueType;
if (!listType.IsGenericType ||
listType.GetGenericTypeDefinition() != typeof(List <>))
{
throw new ArgumentException(String.Format("Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but its property type is not a generic List (e.g. List<int>)!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
var rowType = attr.RowType;
if (rowType.IsAbstract ||
!typeof(Row).IsAssignableFrom(rowType))
{
throw new ArgumentException(String.Format(
"Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but specified row type is not valid row class!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
if (!typeof(IIdRow).IsAssignableFrom(rowType))
{
throw new ArgumentException(String.Format(
"Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but specified row type doesn't implement IIdRow!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
listFactory = FastReflection.DelegateForConstructor <IList>(listType);
rowFactory = FastReflection.DelegateForConstructor <Row>(rowType);
listHandlerFactory = FastReflection.DelegateForConstructor <IListRequestProcessor>(
typeof(ListRequestHandler <>).MakeGenericType(rowType));
saveHandlerFactory = FastReflection.DelegateForConstructor <ISaveRequestProcessor>(
typeof(SaveRequestHandler <>).MakeGenericType(rowType));
saveRequestFactory = FastReflection.DelegateForConstructor <ISaveRequest>(
typeof(SaveRequest <>).MakeGenericType(rowType));
deleteHandlerFactory = FastReflection.DelegateForConstructor <IDeleteRequestProcessor>(
typeof(DeleteRequestHandler <>).MakeGenericType(rowType));
var detailRow = rowFactory();
thisKeyField = detailRow.FindFieldByPropertyName(attr.ThisKey) ??
detailRow.FindField(attr.ThisKey);
if (ReferenceEquals(thisKeyField, null))
{
throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a linking set relation in field '{2}' of row type '{3}'.",
attr.ThisKey, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
itemKeyField = detailRow.FindFieldByPropertyName(attr.ItemKey) ??
detailRow.FindField(attr.ItemKey);
if (ReferenceEquals(itemKeyField, null))
{
throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a linking set relation in field '{2}' of row type '{3}'.",
attr.ItemKey, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
return(true);
}
public bool ActivateFor(IRow row)
{
if (Target is null)
{
return(false);
}
attr = Target.GetAttribute <LinkingSetRelationAttribute>();
if (attr == null)
{
return(false);
}
if (!(row is IIdRow))
{
throw new ArgumentException(string.Format("Field '{0}' in row type '{1}' has a [LinkingSetRelation] attribute " +
"but it doesn't implement IIdRow!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
var listType = Target.ValueType;
if (!listType.IsGenericType ||
listType.GetGenericTypeDefinition() != typeof(List <>))
{
throw new ArgumentException(string.Format("Field '{0}' in row type '{1}' has a [LinkingSetRelation] attribute " +
"but its property type is not a generic List (e.g. List<int>)!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
rowType = attr.RowType;
if (rowType.IsAbstract ||
!typeof(IRow).IsAssignableFrom(rowType) ||
rowType.IsInterface)
{
throw new ArgumentException(string.Format(
"Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but specified row type is not valid row class!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
if (!typeof(IIdRow).IsAssignableFrom(rowType))
{
throw new ArgumentException(string.Format(
"Field '{0}' in row type '{1}' has a LinkingSetRelationBehavior " +
"but specified row type doesn't implement IIdRow!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
listFactory = () => (IList)Activator.CreateInstance(listType);
rowFactory = () => (IRow)Activator.CreateInstance(rowType);
var detailRow = rowFactory();
thisKeyField = detailRow.FindFieldByPropertyName(attr.ThisKey) ??
detailRow.FindField(attr.ThisKey);
if (thisKeyField is null)
{
throw new ArgumentException(string.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a linking set relation in field '{2}' of row type '{3}'.",
attr.ThisKey, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
thisKeyCriteria = new Criteria(thisKeyField.PropertyName ?? thisKeyField.Name);
itemKeyField = detailRow.FindFieldByPropertyName(attr.ItemKey) ??
detailRow.FindField(attr.ItemKey);
if (itemKeyField is null)
{
throw new ArgumentException(string.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a linking set relation in field '{2}' of row type '{3}'.",
attr.ItemKey, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
if (!string.IsNullOrEmpty(attr.FilterField))
{
filterField = detailRow.FindFieldByPropertyName(attr.FilterField) ?? detailRow.FindField(attr.FilterField);
if (filterField is null)
{
throw new ArgumentException(string.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a linking set relation as FilterField in field '{2}' of row type '{3}'.",
attr.FilterField, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
filterCriteria = new Criteria(filterField.PropertyName ?? filterField.Name);
filterValue = filterField.ConvertValue(attr.FilterValue, CultureInfo.InvariantCulture);
if (filterValue == null)
{
filterCriteria = filterCriteria.IsNull();
queryCriteria = filterField.IsNull();
}
else
{
filterCriteria = filterCriteria == new ValueCriteria(filterValue);
queryCriteria = filterField == new ValueCriteria(filterValue);
}
}
queryCriteria &= ServiceQueryHelper.GetNotDeletedCriteria(detailRow);
return(true);
}
