52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package baseapp
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// QueryRouter provides queryables for each query path.
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type QueryRouter interface {
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AddRoute(r string, h sdk.CustomQueryable) (rtr QueryRouter)
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Route(path string) (h sdk.CustomQueryable)
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}
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// map a transaction type to a handler and an initgenesis function
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type queryroute struct {
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r string
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h sdk.CustomQueryable
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}
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type queryrouter struct {
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routes []queryroute
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}
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// nolint
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// NewRouter - create new router
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// TODO either make Function unexported or make return type (router) Exported
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func NewQueryRouter() *queryrouter {
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return &queryrouter{
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routes: make([]queryroute, 0),
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}
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}
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// AddRoute - TODO add description
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func (rtr *queryrouter) AddRoute(r string, h sdk.CustomQueryable) QueryRouter {
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if !isAlphaNumeric(r) {
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panic("route expressions can only contain alphanumeric characters")
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}
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rtr.routes = append(rtr.routes, queryroute{r, h})
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return rtr
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}
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// Route - TODO add description
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// TODO handle expressive matches.
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func (rtr *queryrouter) Route(path string) (h sdk.CustomQueryable) {
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for _, route := range rtr.routes {
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if route.r == path {
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return route.h
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}
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}
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return nil
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}
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