micro/selector/options.go
2016-05-03 22:06:19 +01:00

61 lines
1.2 KiB
Go

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