micro/broker/options.go

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package broker
type Options struct {
// Other options to be used by broker implementations
Options map[string]string
}
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type PublishOptions struct {
// Other options to be used by broker implementations
Options map[string]string
}
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type SubscribeOptions struct {
// AutoAck defaults to true. When a handler returns
// with a nil error the message is acked.
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AutoAck bool
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// Subscribers with the same queue name
// will create a shared subscription where each
// receives a subset of messages.
Queue string
// Other options to be used by broker implementations
Options map[string]string
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}
type Option func(*Options)
type PublishOption func(*PublishOptions)
type SubscribeOption func(*SubscribeOptions)
// DisableAutoAck will disable auto acking of messages
// after they have been handled.
func DisableAutoAck() SubscribeOption {
return func(o *SubscribeOptions) {
o.AutoAck = false
}
}
// QueueName sets the name of the queue to share messages on
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func QueueName(name string) SubscribeOption {
return func(o *SubscribeOptions) {
o.Queue = name
}
}
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func newSubscribeOptions(opts ...SubscribeOption) SubscribeOptions {
opt := SubscribeOptions{
AutoAck: true,
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}
for _, o := range opts {
o(&opt)
}
return opt
}