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30 lines
1.2 KiB
Go
30 lines
1.2 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 mqclient
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// ConsumerMessage is the interface that provides operations of a consumer
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type ConsumerMessage interface {
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// Topic get the topic from which this message originated from
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Topic() string
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// Properties are application defined key/value pairs that will be attached to the message.
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// Return the properties attached to the message.
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Properties() map[string]string
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// Payload get the payload of the message
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Payload() []byte
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// ID get the unique message ID associated with this message.
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// The message id can be used to univocally refer to a message without having the keep the entire payload in memory.
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ID() MessageID
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}
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