37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 core
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import "context"
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// Message defines a build change.
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type Message struct {
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Repository string
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Visibility string
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Data []byte
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}
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// Pubsub provides publish subscriber capabilities, distributing
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// messages from multiple publishers to multiple subscribers.
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type Pubsub interface {
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// Publish publishes the message to all subscribers.
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Publish(context.Context, *Message) error
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// Subscribe subscribes to the message broker.
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Subscribe(context.Context) (<-chan *Message, <-chan error)
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// Subscribers returns a count of subscribers.
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Subscribers() (int, error)
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}
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