google::cloud::storage::IfMatchEtag Struct Reference

A pre-condition: apply this operation only if the HTTP Entity Tag matches. More...

#include <google/cloud/storage/well_known_headers.h>

Static Public Member Functions
static char const *	header_name ()

Detailed Description

A pre-condition: apply this operation only if the HTTP Entity Tag matches.

HTTP Entity Tags allow applications to conditionally execute a query only if the target resource matches the expected state. This can be useful, for example, to implement optimistic concurrency control in the application.

Member Function Documentation

header_name()

static char const * google::cloud::storage::IfMatchEtag::header_name ( )

inlinestatic