2 * ============LICENSE_START======================================================================
3 * Copyright (C) 2018 NOKIA Intellectual Property, 2018 Nordix Foundation. All rights reserved.
4 * ===============================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END========================================================================
19 package org.onap.dcaegen2.collectors.datafile.controllers;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
23 import org.springframework.http.HttpStatus;
24 import org.springframework.http.ResponseEntity;
25 import org.springframework.web.bind.annotation.RequestMapping;
26 import org.springframework.web.bind.annotation.RequestMethod;
27 import org.springframework.web.bind.annotation.RestController;
29 import io.swagger.annotations.Api;
30 import io.swagger.annotations.ApiOperation;
31 import io.swagger.annotations.ApiResponse;
32 import io.swagger.annotations.ApiResponses;
33 import reactor.core.publisher.Mono;
36 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/19/18
37 * @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
40 @Api(value = "HeartbeatController")
41 public class HeartbeatController {
43 private static final Logger logger = LoggerFactory.getLogger(HeartbeatController.class);
45 @RequestMapping(value = "heartbeat", method = RequestMethod.GET)
46 @ApiOperation(value = "Returns liveness of DATAFILE service")
47 @ApiResponses(value = {
48 @ApiResponse(code = 200, message = "DATAFILE service is living"),
49 @ApiResponse(code = 401, message = "You are not authorized to view the resource"),
50 @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
51 @ApiResponse(code = 404, message = "The resource you were trying to reach is not found")
54 public Mono<ResponseEntity<String>> heartbeat() {
55 logger.trace("Receiving heartbeat request");
56 return Mono.defer(() ->
57 Mono.just(new ResponseEntity<>("I'm living", HttpStatus.OK))