func (b *Bucket) replace(key string, value interface{}, cas Cas, expiry uint32) (Cas, MutationToken, error) {
bytes, flags, err := b.transcoder.Encode(value)
if err != nil {
return 0, MutationToken{}, err
}
return b.hlpCasExec(func(cb ioCasCallback) (pendingOp, error) {
op, err := b.client.Replace([]byte(key), bytes, flags, gocbcore.Cas(cas), expiry, gocbcore.StoreCallback(cb))
return op, err
})
}
func (b *Bucket) prepend(key, value string) (Cas, MutationToken, error) {
return b.hlpCasExec(func(cb ioCasCallback) (pendingOp, error) {
op, err := b.client.Prepend([]byte(key), []byte(value), gocbcore.StoreCallback(cb))
return op, err
})
}
func (b *Bucket) upsertMeta(key string, value, extra []byte, flags uint32, expiry uint32, cas, revseqno uint64) (Cas, MutationToken, error) {
return b.hlpCasExec(func(cb ioCasCallback) (pendingOp, error) {
op, err := b.client.SetMeta([]byte(key), value, extra, flags, expiry, cas, revseqno, gocbcore.StoreCallback(cb))
return op, err
})
}