package cqrs

import (
	"context"
)

type Query interface{}

type QueryHandler interface {
	Handle(ctx context.Context, query Query) (interface{}, error)
}

type QueryHandlerFunc func(ctx context.Context, query Query) (Query, error)

func (f QueryHandlerFunc) Handle(ctx context.Context, query Query) (
	interface{}, error,
) {
	return f(ctx, query)
}

type QueryMiddleware func(QueryHandler) QueryHandler