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24 lines
656 B
Go
24 lines
656 B
Go
package mq
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type Consumer interface {
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// RegisterMessageHandler is used to register message handler
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// any received messages will be passed to handler to process
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// once the Consumer started, it is forbidden to register handlers.
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RegisterMessageHandler(topic string, handler MessageHandler)
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// Start to consume messages
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Start() error
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}
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type MessageHandler interface {
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// HandleMessage process received messages,
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// if returned error is nil, the message will be auto committed.
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HandleMessage(msg *Message) error
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}
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type MessageHandleFunc func(msg *Message) error
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func (fn MessageHandleFunc) HandleMessage(msg *Message) error {
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return fn(msg)
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}
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