| public CreateDescriptor ( ushort vendorId, uint deviceInstance, ObjectId objectIdentifier ) : ObjectInfo | ||
| vendorId | ushort | The vendor id of the object |
| deviceInstance | uint | |
| objectIdentifier | ObjectId | |
| Результат | 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;
}
