コード例 #1
0
        public override string Execute(IDictionary<string, DataSource> dataSources, IQueryExecutionOptions options, IDictionary<string, Type> parameterTypes, IDictionary<string, object> parameterValues)
        {
            _executionCount++;

            try
            {
                if (!dataSources.TryGetValue(DataSource, out var dataSource))
                    throw new QueryExecutionException("Missing datasource " + DataSource);

                List<Entity> entities;
                EntityMetadata meta;
                Dictionary<string, AttributeMetadata> attributes;
                Dictionary<string, Func<Entity, object>> attributeAccessors;
                Func<Entity, object> primaryIdAccessor;

                using (_timer.Run())
                {
                    entities = GetDmlSourceEntities(dataSources, options, parameterTypes, parameterValues, out var schema);

                    // Precompile mappings with type conversions
                    meta = dataSource.Metadata[LogicalName];
                    attributes = meta.Attributes.ToDictionary(a => a.LogicalName);
                    var dateTimeKind = options.UseLocalTimeZone ? DateTimeKind.Local : DateTimeKind.Utc;
                    attributeAccessors = CompileColumnMappings(meta, ColumnMappings, schema, attributes, dateTimeKind);
                    attributeAccessors.TryGetValue(meta.PrimaryIdAttribute, out primaryIdAccessor);
                }

                // Check again that the update is allowed. Don't count any UI interaction in the execution time
                if (options.Cancelled || !options.ConfirmInsert(entities.Count, meta))
                    throw new OperationCanceledException("INSERT cancelled by user");

                using (_timer.Run())
                {
                    return ExecuteDmlOperation(
                        dataSource.Connection,
                        options,
                        entities,
                        meta,
                        entity => CreateInsertRequest(meta, entity, attributeAccessors, primaryIdAccessor, attributes),
                        new OperationNames
                        {
                            InProgressUppercase = "Inserting",
                            InProgressLowercase = "inserting",
                            CompletedLowercase = "inserted"
                        });
                }
            }
            catch (QueryExecutionException ex)
            {
                if (ex.Node == null)
                    ex.Node = this;

                throw;
            }
            catch (Exception ex)
            {
                throw new QueryExecutionException(ex.Message, ex) { Node = this };
            }
        }
コード例 #2
0
 public bool ConfirmInsert(int count, EntityMetadata meta)
 {
     return(_options.ConfirmInsert(count, meta));
 }