public CreateDescriptor ( ushort vendorId, uint deviceInstance, ObjectId objectIdentifier ) : ObjectInfo | ||
vendorId | ushort | The vendor id of the object |
deviceInstance | uint | |
objectIdentifier | ObjectId | |
return | ObjectInfo |
/// <summary> /// Executes the command /// </summary> /// <param name="registrar">The registrar of descriptor types</param> /// <param name="query">The descriptor query</param> /// <returns>The descriptors that match the query</returns> public List<ObjectInfo> Execute(DescriptorRegistrar registrar, DescriptorQuery query) { List<ObjectInfo> ret = new List<ObjectInfo>(); lock(this) { _deviceInstance.Value = query.DeviceInstance; _objectType.Value = query.ObjectType; using (var reader = _command.ExecuteReader()) { int deviceInstanceOrdinal = reader.GetOrdinal("device_instance"); int objectTypeOrdinal = reader.GetOrdinal("object_type"); int instanceOrdinal = reader.GetOrdinal("instance"); int vendorIdOrdinal = reader.GetOrdinal("vendor_id"); int nameOrdinal = reader.GetOrdinal("name"); int propsOrdinal = reader.GetOrdinal("props"); while (reader.Read()) { uint deviceInstance = (uint)reader.GetInt32(deviceInstanceOrdinal); ushort objectType = (ushort)reader.GetInt32(objectTypeOrdinal); uint instance = (uint)reader.GetInt32(instanceOrdinal); ushort vendorId = (ushort)reader.GetInt32(vendorIdOrdinal); string name = reader.IsDBNull(nameOrdinal) ? null : reader.GetString(nameOrdinal); if (query.NameRegex == null || (name != null && Regex.IsMatch(name, query.NameRegex, RegexOptions.IgnoreCase))) { var info = registrar.CreateDescriptor( vendorId, deviceInstance, new ObjectId(objectType, instance)); info.Name = name; if (!reader.IsDBNull(propsOrdinal)) { var props = reader.GetString(propsOrdinal); info.LoadProperties(props); } ret.Add(info); } } } } return ret; }
/// <summary> /// Executes the command /// </summary> /// <param name="registrar">The registrar of descriptor types</param> /// <param name="deviceInstance">The device instance of the object to get</param> /// <param name="objectIdentifier">The object identifier of the object to get</param> /// <returns>The descriptors that match the query</returns> public ObjectInfo Execute(DescriptorRegistrar registrar, uint deviceInstance, ObjectId objectIdentifier) { ObjectInfo info = null; lock (this) { _deviceInstance.Value = deviceInstance; _objectType.Value = objectIdentifier.Type; _instance.Value = objectIdentifier.Instance; using (var reader = _command.ExecuteReader()) { int vendorIdOrdinal = reader.GetOrdinal("vendor_id"); int nameOrdinal = reader.GetOrdinal("name"); int propsOrdinal = reader.GetOrdinal("props"); if (reader.Read()) { ushort vendorId = (ushort)reader.GetInt32(vendorIdOrdinal); string name = reader.IsDBNull(nameOrdinal) ? null : reader.GetString(nameOrdinal); info = registrar.CreateDescriptor( vendorId, deviceInstance, objectIdentifier); info.Name = name; if (!reader.IsDBNull(propsOrdinal)) { var props = reader.GetString(propsOrdinal); info.LoadProperties(props); } } } } return info; }