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/*
* ============LICENSE_START=======================================================
* ONAP : DataLake
* ================================================================================
* Copyright 2019 China Mobile
*=================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.datalake.feeder.controller;
import java.io.IOException;
import org.onap.datalake.feeder.config.ApplicationConfiguration;
import org.onap.datalake.feeder.service.PullService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import io.swagger.annotations.ApiOperation;
/**
* This controller controls DL data feeder.
*
* @author Guobiao Mo
*
*/
@RestController
@RequestMapping(value = "/feeder", produces = { MediaType.APPLICATION_JSON_VALUE })
public class FeederController {
private final Logger log = LoggerFactory.getLogger(this.getClass());
@Autowired
private PullService pullService;
@Autowired
ApplicationConfiguration config;
/**
* @return message that application is started
* @throws IOException
*/
@PostMapping("/start")
@ResponseBody
@ApiOperation(value="Start pulling data.")
public String start() throws IOException {
log.info("Going to start DataLake feeder ...");
if(pullService.isRunning() == false) {
pullService.start();
log.info("DataLake feeder started.");
}else {
log.info("DataLake feeder already started.");
}
return "{\"running\": true}";
}
/**
* @return message that application stop process is triggered
*/
@PostMapping("/stop")
@ResponseBody
@ApiOperation(value="Stop pulling data.")
public String stop() {
log.info("Going to stop DataLake feeder ...");
if(pullService.isRunning() == true)
{
pullService.shutdown();
log.info("DataLake feeder is stopped.");
}else {
log.info("DataLake feeder already stopped.");
}
return "{\"running\": false}";
}
/**
* @return feeder status
*/
@GetMapping("/status")
@ApiOperation(value="Retrieve feeder status.")
public String status() {
String status = "Feeder is running: "+pullService.isRunning();
log.info("sending feeder status ...");//TODO we can send what topics are monitored, how many messages are sent, etc.
return "{\"version\": \""+config.getDatalakeVersion()+"\", \"running\": "+pullService.isRunning()+"}";
}
}
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