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ada5813f47
* initial commit * add protoc-gen-gofast * update generated files * fix linting * fix consumers error on message conversion * fix copying values on transformers * initial commit * initial commit * add protoc-gen-gofast * update generated files * fix linting * fix consumers error on message conversion * fix copying values on transformers * embedded for forward compatible. * remove gogo * embedded for forward compatible. * update protoc compiler * fix linting * remove hex comment Signed-off-by: rodneyosodo <socials@rodneyosodo.com>
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package messaging
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// Publisher specifies message publishing API.
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type Publisher interface {
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// Publishes message to the stream.
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Publish(topic string, msg *Message) error
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// Close gracefully closes message publisher's connection.
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Close() error
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}
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// MessageHandler represents Message handler for Subscriber.
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type MessageHandler interface {
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// Handle handles messages passed by underlying implementation.
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Handle(msg *Message) error
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// Cancel is used for cleanup during unsubscribing and it's optional.
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Cancel() error
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}
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// Subscriber specifies message subscription API.
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type Subscriber interface {
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// Subscribe subscribes to the message stream and consumes messages.
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Subscribe(id, topic string, handler MessageHandler) error
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// Unsubscribe unsubscribes from the message stream and
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// stops consuming messages.
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Unsubscribe(id, topic string) error
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// Close gracefully closes message subscriber's connection.
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Close() error
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}
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// PubSub represents aggregation interface for publisher and subscriber.
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type PubSub interface {
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Publisher
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Subscriber
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}
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