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package revisions
import (
"fmt"
"strconv"
"github.com/authzed/spicedb/pkg/datastore"
)
// TransactionIDRevision is a revision that is a transaction ID.
type TransactionIDRevision uint64
var zeroTransactionIDRevision = TransactionIDRevision(0)
// NewForTransactionID creates a new revision for the given transaction ID.
func NewForTransactionID(transactionID uint64) TransactionIDRevision {
return TransactionIDRevision(transactionID)
}
// parseTransactionIDRevisionString parses a string into a transaction ID revision.
func parseTransactionIDRevisionString(revisionStr string) (rev datastore.Revision, err error) {
parsed, err := strconv.ParseUint(revisionStr, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid integer revision: %w", err)
}
return TransactionIDRevision(parsed), nil
}
func (ir TransactionIDRevision) ByteSortable() bool {
return true
}
func (ir TransactionIDRevision) Equal(rhs datastore.Revision) bool {
if rhs == datastore.NoRevision {
rhs = zeroTransactionIDRevision
}
return uint64(ir) == uint64(rhs.(TransactionIDRevision))
}
func (ir TransactionIDRevision) GreaterThan(rhs datastore.Revision) bool {
if rhs == datastore.NoRevision {
rhs = zeroTransactionIDRevision
}
return uint64(ir) > uint64(rhs.(TransactionIDRevision))
}
func (ir TransactionIDRevision) LessThan(rhs datastore.Revision) bool {
if rhs == datastore.NoRevision {
rhs = zeroTransactionIDRevision
}
return uint64(ir) < uint64(rhs.(TransactionIDRevision))
}
func (ir TransactionIDRevision) TransactionID() uint64 {
return uint64(ir)
}
func (ir TransactionIDRevision) String() string {
return strconv.FormatUint(uint64(ir), 10)
}
func (ir TransactionIDRevision) WithInexactFloat64() float64 {
return float64(ir)
}
var _ datastore.Revision = TransactionIDRevision(0)
// TransactionIDKeyFunc is used to create keys for transaction IDs.
func TransactionIDKeyFunc(r TransactionIDRevision) uint64 {
return uint64(r)
}
// TransactionIDKeyLessThanFunc is used to create keys for transaction IDs.
func TransactionIDKeyLessThanFunc(l, r uint64) bool {
return l < r
}
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