/// <summary> /// Execute the removal of attribute indices /// <seealso cref=" AAlterTypeCommand"/> /// </summary> public override Exceptional Execute(DBContext myDBContext, GraphDBType myGraphDBType) { var retExceptional = new Exceptional(); foreach (var index in _IdxDropList) { var dropIdxExcept = myGraphDBType.RemoveIndex(index.Key, index.Value, myDBContext); if (!dropIdxExcept.Success()) { retExceptional.PushIExceptional(dropIdxExcept); } } return retExceptional; }
/// <summary> /// Executes the removal of certain myAttributes. /// <seealso cref=" AAlterTypeCommand"/> /// </summary> public override Exceptional Execute(DBContext myDBContext, GraphDBType myGraphDBType) { Exceptional result = new Exceptional(); foreach (String aAttributeName in _ListOfAttributes) { var attr = myGraphDBType.GetTypeAttributeByName(aAttributeName); if (attr != null) { var idxs = new List<Indices.AAttributeIndex>(myGraphDBType.GetAttributeIndices(myDBContext, attr.UUID)); foreach (var item in idxs) { var remIdxResult = myGraphDBType.RemoveIndex(item.IndexName, item.IndexEdition, myDBContext); if (remIdxResult.Failed()) { result.PushIExceptional(remIdxResult); } } } else { result.PushIError(new Error_AttributeIsNotDefined(aAttributeName)); return result; } //Hack: remove myAttributes in DBObjects var aTempResult = myDBContext.DBTypeManager.RemoveAttributeFromType(myGraphDBType.Name, aAttributeName, myDBContext.DBTypeManager); if (aTempResult.Failed()) { result.PushIExceptional(aTempResult); return result; } } return result; }
public override Exceptional Execute(DBContext dbContext, GraphDBType graphDBType) { var listOfTypeAttrs = new List<TypeAttribute>(); var retExcept = new Exceptional(); foreach (var attr in _ListOfAttributes) { var typeAttr = graphDBType.GetTypeAttributeByName(attr); if (typeAttr == null) { return new Exceptional(new Error_AttributeIsNotDefined(attr)); } var attrType = dbContext.DBTypeManager.GetTypeByUUID(typeAttr.DBTypeUUID); if (attrType == null) return new Exceptional(new Error_TypeDoesNotExist("")); if (attrType.IsUserDefined) return new Exceptional(new Error_InvalidReferenceAssignmentOfUndefAttr()); listOfTypeAttrs.Add(typeAttr); } var dbobjects = dbContext.DBObjectCache.SelectDBObjectsForLevelKey(new LevelKey(graphDBType, dbContext.DBTypeManager), dbContext); foreach (var item in dbobjects) { if (!item.Success()) { retExcept.PushIExceptional(item); } else { foreach (var attr in listOfTypeAttrs) { if (item.Value.HasAttribute(attr.UUID, graphDBType)) { var attrVal = item.Value.GetAttribute(attr.UUID); var addExcept = item.Value.AddUndefinedAttribute(attr.Name, attrVal, dbContext.DBObjectManager); if (!addExcept.Success()) retExcept.PushIExceptional(addExcept); item.Value.RemoveAttribute(attr.UUID); var saveExcept = dbContext.DBObjectManager.FlushDBObject(item.Value); if (!saveExcept.Success()) retExcept.PushIExceptional(saveExcept); } } } } var indices = graphDBType.GetAllAttributeIndices(); List<AAttributeIndex> idxToDelete = new List<AAttributeIndex>(); //remove attributes from type foreach (var attr in listOfTypeAttrs) { foreach (var item in indices) { var index = item.IndexKeyDefinition.IndexKeyAttributeUUIDs.Find(idx => idx == attr.UUID); if (index != null && item.IndexKeyDefinition.IndexKeyAttributeUUIDs.Count == 1) { idxToDelete.Add(item); } } //remove indices foreach (var idx in idxToDelete) { var remExcept = graphDBType.RemoveIndex(idx.IndexName, idx.IndexEdition, dbContext.DBTypeManager); if (!remExcept.Success()) { retExcept.PushIExceptional(remExcept); } } idxToDelete.Clear(); graphDBType.RemoveAttribute(attr.UUID); var flushExcept = dbContext.DBTypeManager.FlushType(graphDBType); if (!flushExcept.Success()) { retExcept.PushIExceptional(flushExcept); } } return retExcept; }