mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-08 10:08:42 +08:00
39 lines
840 B
Go
39 lines
840 B
Go
package kafka
|
|
|
|
import (
|
|
"github.com/milvus-io/milvus/pkg/common"
|
|
"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
|
|
)
|
|
|
|
type kafkaID struct {
|
|
messageID int64
|
|
}
|
|
|
|
var _ mqwrapper.MessageID = &kafkaID{}
|
|
|
|
func (kid *kafkaID) Serialize() []byte {
|
|
return SerializeKafkaID(kid.messageID)
|
|
}
|
|
|
|
func (kid *kafkaID) AtEarliestPosition() bool {
|
|
return kid.messageID <= 0
|
|
}
|
|
|
|
func (kid *kafkaID) Equal(msgID []byte) (bool, error) {
|
|
return kid.messageID == DeserializeKafkaID(msgID), nil
|
|
}
|
|
|
|
func (kid *kafkaID) LessOrEqualThan(msgID []byte) (bool, error) {
|
|
return kid.messageID <= DeserializeKafkaID(msgID), nil
|
|
}
|
|
|
|
func SerializeKafkaID(messageID int64) []byte {
|
|
b := make([]byte, 8)
|
|
common.Endian.PutUint64(b, uint64(messageID))
|
|
return b
|
|
}
|
|
|
|
func DeserializeKafkaID(messageID []byte) int64 {
|
|
return int64(common.Endian.Uint64(messageID))
|
|
}
|