public bool ActivateFor(Row row) { if (ReferenceEquals(null, Target)) { 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<Row>)!", Target.PropertyName ?? Target.Name, row.GetType().FullName)); } var rowType = rowListType.GetGenericArguments()[0]; if (rowType.IsAbstract || !typeof(Row).IsAssignableFrom(rowType)) { 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<Row>)!", Target.PropertyName ?? Target.Name, row.GetType().FullName)); } rowListFactory = FastReflection.DelegateForConstructor <IList>(rowListType); 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(); foreignKeyField = detailRow.FindFieldByPropertyName(attr.ForeignKey) ?? detailRow.FindField(attr.ForeignKey); if (ReferenceEquals(foreignKeyField, 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)); } return(true); }
public bool ActivateFor(Row row) { if (ReferenceEquals(null, Target)) 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<Row>)!", Target.PropertyName ?? Target.Name, row.GetType().FullName)); } var rowType = rowListType.GetGenericArguments()[0]; if (rowType.IsAbstract || !typeof(Row).IsAssignableFrom(rowType)) { 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<Row>)!", Target.PropertyName ?? Target.Name, row.GetType().FullName)); } rowListFactory = FastReflection.DelegateForConstructor<IList>(rowListType); 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)); if (attr.MasterKeyField != null) { // Use field from AltIdField masterKeyField = row.FindFieldByPropertyName(attr.MasterKeyField) ?? row.FindField(attr.MasterKeyField); if (ReferenceEquals(masterKeyField, 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 = (Field)((row as IIdRow).IdField); } var detailRow = rowFactory(); foreignKeyField = detailRow.FindFieldByPropertyName(attr.ForeignKey) ?? detailRow.FindField(attr.ForeignKey); if (ReferenceEquals(foreignKeyField, 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)); this.foreignKeyCriteria = new Criteria(foreignKeyField.PropertyName ?? foreignKeyField.Name); if (!string.IsNullOrEmpty(attr.FilterField)) { this.filterField = detailRow.FindFieldByPropertyName(attr.FilterField) ?? detailRow.FindField(attr.FilterField); if (ReferenceEquals(null, this.filterField)) 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)); this.filterCriteria = new Criteria(filterField.PropertyName ?? filterField.Name); this.filterValue = filterField.ConvertValue(attr.FilterValue, CultureInfo.InvariantCulture); if (this.filterValue == null) { this.filterCriteria = this.filterCriteria.IsNull(); this.queryCriteria = this.filterField.IsNull(); } else { this.filterCriteria = this.filterCriteria == new ValueCriteria(this.filterValue); this.queryCriteria = this.filterField == new ValueCriteria(this.filterValue); } } queryCriteria = queryCriteria & ServiceQueryHelper.GetNotDeletedCriteria(detailRow); this.includeColumns = new HashSet<string>(); if (!string.IsNullOrEmpty(attr.IncludeColumns)) foreach (var s in attr.IncludeColumns.Split(',')) { var col = s.TrimToNull(); if (col != null) this.includeColumns.Add(col); } 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); }