mirror of https://github.com/milvus-io/milvus.git
62 lines
1.9 KiB
Go
62 lines
1.9 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 server
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import (
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"github.com/milvus-io/milvus/pkg/common"
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"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
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)
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// rmqID wraps message ID for rocksmq
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type RmqID struct {
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MessageID UniqueID
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}
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// Check if rmqID implements MessageID interface
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var _ mqwrapper.MessageID = &RmqID{}
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// Serialize convert rmq message id to []byte
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func (rid *RmqID) Serialize() []byte {
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return SerializeRmqID(rid.MessageID)
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}
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func (rid *RmqID) AtEarliestPosition() bool {
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return rid.MessageID <= 0
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}
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func (rid *RmqID) LessOrEqualThan(msgID []byte) (bool, error) {
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rMsgID := DeserializeRmqID(msgID)
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return rid.MessageID <= rMsgID, nil
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}
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func (rid *RmqID) Equal(msgID []byte) (bool, error) {
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rMsgID := DeserializeRmqID(msgID)
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return rid.MessageID == rMsgID, nil
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}
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// SerializeRmqID is used to serialize a message ID to byte array
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func SerializeRmqID(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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// DeserializeRmqID is used to deserialize a message ID from byte array
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func DeserializeRmqID(messageID []byte) int64 {
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return int64(common.Endian.Uint64(messageID))
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}
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