42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package baseapp
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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type queryRouter struct {
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routes map[string]sdk.Querier
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}
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var _ sdk.QueryRouter = NewQueryRouter()
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// NewQueryRouter returns a reference to a new queryRouter.
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//
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// TODO: Either make the function private or make return type (queryRouter) public.
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func NewQueryRouter() *queryRouter { // nolint: golint
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return &queryRouter{
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routes: map[string]sdk.Querier{},
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}
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}
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// AddRoute adds a query path to the router with a given Querier. It will panic
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// if a duplicate route is given. The route must be alphanumeric.
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func (qrt *queryRouter) AddRoute(path string, q sdk.Querier) sdk.QueryRouter {
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if !isAlphaNumeric(path) {
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panic("route expressions can only contain alphanumeric characters")
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}
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if qrt.routes[path] != nil {
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panic(fmt.Sprintf("route %s has already been initialized", path))
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}
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qrt.routes[path] = q
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return qrt
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}
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// Route returns the Querier for a given query route path.
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func (qrt *queryRouter) Route(path string) sdk.Querier {
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return qrt.routes[path]
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}
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