| RequestId () | |
| RequestId (const RequestId & other ) | |
| ~RequestId () | |
| bool | isValid () const |
| int | refCount () const |
| RequestId & | operator= (const RequestId & other ) |
Constructs a new invalid request id handle.
Constructs a new request id handle that is a copy of other .
Destroys the request id handle.
Returns true if this is a valid request id; otherwise returns false.
Returns the current reference count of the request id.
赋值副本为 other to this request id and returns a reference to this request id.
