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package hashring
import (
"encoding/binary"
"fmt"
)
type Int64PairHashKey struct {
High int64
Low int64
}
func (k *Int64PairHashKey) Less(other HashKey) bool {
o := other.(*Int64PairHashKey)
if k.High < o.High {
return true
}
return k.High == o.High && k.Low < o.Low
}
func NewInt64PairHashKey(bytes []byte) (HashKey, error) {
const expected = 16
if len(bytes) != expected {
return nil, fmt.Errorf(
"expected %d bytes, got %d bytes",
expected, len(bytes),
)
}
return &Int64PairHashKey{
High: int64(binary.LittleEndian.Uint64(bytes[:8])),
Low: int64(binary.LittleEndian.Uint64(bytes[8:])),
}, nil
}
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