mirror of https://github.com/milvus-io/milvus.git
97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pulsar
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import (
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"strings"
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"github.com/apache/pulsar-client-go/pulsar"
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"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
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)
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type pulsarID struct {
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messageID pulsar.MessageID
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}
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// Check if pulsarID implements and MessageID interface
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var _ mqwrapper.MessageID = &pulsarID{}
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func (pid *pulsarID) Serialize() []byte {
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return pid.messageID.Serialize()
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}
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func (pid *pulsarID) AtEarliestPosition() bool {
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if pid.messageID.PartitionIdx() <= 0 &&
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pid.messageID.LedgerID() <= 0 &&
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pid.messageID.EntryID() <= 0 &&
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pid.messageID.BatchIdx() <= 0 {
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return true
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}
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return false
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}
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func (pid *pulsarID) LessOrEqualThan(msgID []byte) (bool, error) {
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pMsgID, err := pulsar.DeserializeMessageID(msgID)
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if err != nil {
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return false, err
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}
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if pid.messageID.LedgerID() <= pMsgID.LedgerID() &&
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pid.messageID.EntryID() <= pMsgID.EntryID() &&
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pid.messageID.BatchIdx() <= pMsgID.BatchIdx() {
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return true, nil
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}
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return false, nil
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}
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func (pid *pulsarID) Equal(msgID []byte) (bool, error) {
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pMsgID, err := pulsar.DeserializeMessageID(msgID)
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if err != nil {
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return false, err
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}
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if pid.messageID.LedgerID() == pMsgID.LedgerID() &&
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pid.messageID.EntryID() == pMsgID.EntryID() &&
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pid.messageID.BatchIdx() == pMsgID.BatchIdx() {
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return true, nil
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}
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return false, nil
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}
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// SerializePulsarMsgID returns the serialized message ID
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func SerializePulsarMsgID(messageID pulsar.MessageID) []byte {
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return messageID.Serialize()
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}
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// DeserializePulsarMsgID returns the deserialized message ID
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func DeserializePulsarMsgID(messageID []byte) (pulsar.MessageID, error) {
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return pulsar.DeserializeMessageID(messageID)
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}
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// msgIDToString is used to convert a message ID to string
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func msgIDToString(messageID pulsar.MessageID) string {
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return strings.ToValidUTF8(string(messageID.Serialize()), "")
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}
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// StringToMsgID is used to convert a string to message ID
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func stringToMsgID(msgString string) (pulsar.MessageID, error) {
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return pulsar.DeserializeMessageID([]byte(msgString))
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}
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