mirror of https://github.com/milvus-io/milvus.git
55 lines
1.9 KiB
Go
55 lines
1.9 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package server
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// ProducerMessage that will be written to rocksdb
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type ProducerMessage struct {
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Payload []byte
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Properties map[string]string
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}
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// Consumer is rocksmq consumer
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type Consumer struct {
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Topic string
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GroupName string
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MsgMutex chan struct{}
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}
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// ConsumerMessage that consumed from rocksdb
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type ConsumerMessage struct {
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MsgID UniqueID
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Payload []byte
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Properties map[string]string
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}
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// RocksMQ is an interface thatmay be implemented by the application
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// to do message queue operations based on rocksdb
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type RocksMQ interface {
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CreateTopic(topicName string) error
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DestroyTopic(topicName string) error
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CreateConsumerGroup(topicName string, groupName string) error
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DestroyConsumerGroup(topicName string, groupName string) error
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Close()
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RegisterConsumer(consumer *Consumer) error
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GetLatestMsg(topicName string) (int64, error)
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CheckTopicValid(topicName string) error
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Produce(topicName string, messages []ProducerMessage) ([]UniqueID, error)
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Consume(topicName string, groupName string, n int) ([]ConsumerMessage, error)
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Seek(topicName string, groupName string, msgID UniqueID) error
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SeekToLatest(topicName, groupName string) error
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ExistConsumerGroup(topicName string, groupName string) (bool, *Consumer, error)
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Notify(topicName, groupName string)
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}
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