micro/client/selector/options.go

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package selector
import (
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"context"
"github.com/micro/go-micro/v2/registry"
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)
type Options struct {
Registry registry.Registry
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Strategy Strategy
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
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}
type SelectOptions struct {
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Filters []Filter
Strategy Strategy
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
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}
// Option used to initialise the selector
type Option func(*Options)
// SelectOption used when making a select call
type SelectOption func(*SelectOptions)
// Registry sets the registry used by the selector
func Registry(r registry.Registry) Option {
return func(o *Options) {
o.Registry = r
}
}
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// SetStrategy sets the default strategy for the selector
func SetStrategy(fn Strategy) Option {
return func(o *Options) {
o.Strategy = fn
}
}
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// WithFilter adds a filter function to the list of filters
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// used during the Select call.
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func WithFilter(fn ...Filter) SelectOption {
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return func(o *SelectOptions) {
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o.Filters = append(o.Filters, fn...)
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}
}
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// Strategy sets the selector strategy
func WithStrategy(fn Strategy) SelectOption {
return func(o *SelectOptions) {
o.Strategy = fn
}
}