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39 lines
850 B
Go
39 lines
850 B
Go
package kafka
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import (
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"github.com/milvus-io/milvus/internal/common"
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"github.com/milvus-io/milvus/internal/mq/msgstream/mqwrapper"
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)
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type kafkaID struct {
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messageID int64
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}
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var _ mqwrapper.MessageID = &kafkaID{}
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func (kid *kafkaID) Serialize() []byte {
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return SerializeKafkaID(kid.messageID)
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}
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func (kid *kafkaID) AtEarliestPosition() bool {
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return kid.messageID <= 0
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}
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func (kid *kafkaID) Equal(msgID []byte) (bool, error) {
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return kid.messageID == DeserializeKafkaID(msgID), nil
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}
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func (kid *kafkaID) LessOrEqualThan(msgID []byte) (bool, error) {
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return kid.messageID <= DeserializeKafkaID(msgID), nil
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}
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func SerializeKafkaID(messageID int64) []byte {
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b := make([]byte, 8)
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common.Endian.PutUint64(b, uint64(messageID))
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return b
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}
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func DeserializeKafkaID(messageID []byte) int64 {
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return int64(common.Endian.Uint64(messageID))
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}
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