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Spring Boot Curd Operation Without try, catch and If else inside the method 100% correct test

 package com.technoidentity.agastya.controller;


import java.util.Date;

import java.util.ArrayList;

import java.util.List;

import java.util.Optional;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.http.HttpStatus;

import org.springframework.http.ResponseEntity;

import org.springframework.transaction.annotation.Transactional;

import org.springframework.web.bind.annotation.CrossOrigin;

import org.springframework.web.bind.annotation.DeleteMapping;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.PostMapping;

import org.springframework.web.bind.annotation.PutMapping;

import org.springframework.web.bind.annotation.RequestBody;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;


import com.technoidentity.agastya.model.TelemetryEvent;

import com.technoidentity.agastya.repositery.TelemetryEventRepository;


@CrossOrigin(origins = "http://localhost:3000")

@RestController

@RequestMapping("/agastya")

public class TelemetryEventController {


@Autowired

private TelemetryEventRepository repositery;


// Display All TelemetryEvent Object

@GetMapping("/telemetry")

public ResponseEntity<List<TelemetryEvent>> getAllTelemetryEvent() {

List<TelemetryEvent> telemetryEvents = new ArrayList<TelemetryEvent>();

repositery.findAll().forEach(telemetryEvents::add);

return new ResponseEntity<List<TelemetryEvent>>(telemetryEvents, HttpStatus.OK);

}


// Display TelemetryEvent based on the Id

@GetMapping("/telemetry/{id}")

@Transactional(readOnly = true)

public ResponseEntity<TelemetryEvent> getTelemetryEventById(@PathVariable("id") String deviceId) {

Optional<TelemetryEvent> telemetryevent = repositery.findById(deviceId);


return new ResponseEntity<TelemetryEvent>(telemetryevent.get(), HttpStatus.OK);

        

}


// Update command

@PutMapping("/telemetry/{id}")

public ResponseEntity<TelemetryEvent> updateTelemetryEvent(@PathVariable("id") String deviceId,

@RequestBody TelemetryEvent telemetryevent) {

java.util.Optional<TelemetryEvent> telemetryevent1 = repositery.findById(deviceId);

          Date d=new Date();

TelemetryEvent _tutorial = telemetryevent1.get();

_tutorial.setDeviceId(telemetryevent.getDeviceId());

_tutorial.setTimestamp(d);

_tutorial.setTelemetryKey(telemetryevent.getTelemetryKey());

_tutorial.setTelemetryValue(telemetryevent.getTelemetryValue());

return new ResponseEntity<>(repositery.save(_tutorial), HttpStatus.OK);

}


// delete by ID

@DeleteMapping("/telemetry/{id}")

public ResponseEntity<String> deleteTelemetryEvent(@PathVariable("id") String deviceId) {

repositery.deleteById(deviceId);

return new ResponseEntity<String>(deviceId + " Is Deleted.?", HttpStatus.OK);

}



// insert TelemetryEvent Data

@PostMapping("/telemetry")

public ResponseEntity<?> createTelemetryEvent(@RequestBody TelemetryEvent telemetryEvent) {

Date d=new Date();

repositery.save(new TelemetryEvent(telemetryEvent.getDeviceId(),d ,

telemetryEvent.getTelemetryKey(), telemetryEvent.getTelemetryValue()));

return new ResponseEntity<String>("TelemetryEvent Data is inserted", HttpStatus.OK);

}


}


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