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);
}
public bool ActivateFor(IRow row)
{
if (Target is null)
{
return(false);
}
attr = Target.GetAttribute <MasterDetailRelationAttribute>();
if (attr == null)
{
return(false);
}
var rowListType = Target.ValueType;
if (!rowListType.IsGenericType ||
rowListType.GetGenericTypeDefinition() != typeof(List <>))
{
throw new ArgumentException(string.Format("Field '{0}' in row type '{1}' has a MasterDetailRelationAttribute " +
"but its property type is not a generic List (e.g. List<IRow>)!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
rowType = rowListType.GetGenericArguments()[0];
if (rowType.IsAbstract ||
!typeof(IRow).IsAssignableFrom(rowType) ||
rowType.IsInterface)
{
throw new ArgumentException(string.Format(
"Field '{0}' in row type '{1}' has a MasterDetailRelationAttribute " +
"but its property type is not a generic list of rows (e.g. List<IRow>)!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
rowListFactory = () => (IList)Activator.CreateInstance(rowListType);
rowFactory = () => (IRow)Activator.CreateInstance(rowType);
if (attr.MasterKeyField != null)
{
// Use field from AltIdField
masterKeyField = row.FindFieldByPropertyName(attr.MasterKeyField) ??
row.FindField(attr.MasterKeyField);
if (masterKeyField is null)
{
throw new ArgumentException(string.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a master detail relation in field '{2}'.",
attr.MasterKeyField, row.GetType().FullName,
Target.PropertyName ?? Target.Name));
}
}
else
{
// Default behaviour: use id field
masterKeyField = row.IdField;
}
var detailRow = rowFactory();
foreignKeyField = detailRow.FindFieldByPropertyName(attr.ForeignKey) ??
detailRow.FindField(attr.ForeignKey);
if (foreignKeyField is null)
{
throw new ArgumentException(string.Format("Field '{0}' doesn't exist in row of type '{1}'." +
"This field is specified for a master detail relation in field '{2}' of row type '{3}'.",
attr.ForeignKey, detailRow.GetType().FullName,
Target.PropertyName ?? Target.Name, row.GetType().FullName));
}
foreignKeyCriteria = new Criteria(foreignKeyField.PropertyName ?? foreignKeyField.Name);
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 master detail 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);
includeColumns = new HashSet <string>();
if (!string.IsNullOrEmpty(attr.IncludeColumns))
{
foreach (var s in attr.IncludeColumns.Split(','))
{
var col = s.TrimToNull();
if (col != null)
{
includeColumns.Add(col);
}
}
}
return(true);
}
