access_condition::generate_if_none_match_condition Method
Generates an access condition such that an operation will be performed only if the resource's ETag value does not match the specified ETag value.
static access_condition generate_if_none_match_condition(
utility::string_t etag
);
Parameters
- etag
The ETag value that must be matched, or "*".
Return Value
An azure::storage::access_condition object that represents the If-None-Match condition.
Remarks
If "*" is specified as the parameter then this condition requires that the resource does not exist.
Requirements
Header: blob.h
Namespace: azure::storage