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// Copyright 2022-2023 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package micro_test
import (
"log"
"strconv"
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/micro"
)
type rectangle struct {
height int
width int
}
// Handle is an implementation of micro.Handler used to
// calculate the area of a rectangle
func (r rectangle) Handle(req micro.Request) {
area := r.height * r.width
req.Respond([]byte(strconv.Itoa(area)))
}
func ExampleHandler() {
nc, err := nats.Connect("127.0.0.1:4222")
if err != nil {
log.Fatal(err)
}
defer nc.Close()
rec := rectangle{10, 5}
config := micro.Config{
Name: "RectangleAreaService",
Version: "0.1.0",
Endpoint: µ.EndpointConfig{
Subject: "area.rectangle",
Handler: rec,
},
}
svc, err := micro.AddService(nc, config)
if err != nil {
log.Fatal(err)
}
defer svc.Stop()
}
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