| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.skywalking.e2e.controller; |
| |
| import com.google.common.cache.Cache; |
| import com.google.common.cache.CacheBuilder; |
| import lombok.RequiredArgsConstructor; |
| import org.apache.skywalking.apm.toolkit.trace.TraceContext; |
| import org.apache.skywalking.e2e.User; |
| import org.apache.skywalking.e2e.UserRepo; |
| import org.springframework.util.StringUtils; |
| import org.springframework.web.bind.annotation.PostMapping; |
| import org.springframework.web.bind.annotation.RequestBody; |
| import org.springframework.web.bind.annotation.RequestMapping; |
| import org.springframework.web.bind.annotation.RequestMethod; |
| import org.springframework.web.bind.annotation.RestController; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Random; |
| |
| @RestController |
| @RequiredArgsConstructor |
| @SuppressWarnings("SameReturnValue") |
| public class UserController { |
| private static final org.slf4j.Logger LOGBACK_LOGGER = LoggerFactory.getLogger(UserController.class); |
| |
| private final Cache<String, String> guavaCache = CacheBuilder.newBuilder() |
| .concurrencyLevel(Runtime.getRuntime().availableProcessors()) |
| .build(); |
| |
| private final UserRepo userRepo; |
| private final int sleepMin = 500; |
| private final int sleepMax = 1000; |
| |
| @RequestMapping(value = "/info", method = {RequestMethod.POST, RequestMethod.GET}) |
| public String info() throws InterruptedException { |
| Thread.sleep(randomSleepLong(sleepMin, sleepMax)); |
| LOGBACK_LOGGER.info("logback message==> now: {}", System.currentTimeMillis()); |
| return "whatever"; |
| } |
| |
| @PostMapping("/users") |
| public User createAuthor(@RequestBody final User user) throws InterruptedException { |
| Thread.sleep(randomSleepLong(sleepMin, sleepMax)); |
| //virtual cache test case |
| testCacheService(); |
| return userRepo.save(user); |
| } |
| |
| @PostMapping("/correlation") |
| public String correlation() throws InterruptedException { |
| Thread.sleep(randomSleepLong(sleepMin, sleepMax)); |
| TraceContext.putCorrelation("PROVIDER_KEY", "provider"); |
| return TraceContext.getCorrelation("CONSUMER_KEY").orElse("") + "_" |
| + TraceContext.getCorrelation("MIDDLE_KEY").orElse("") + "_" |
| + TraceContext.getCorrelation("PROVIDER_KEY").orElse(""); |
| } |
| |
| private long randomSleepLong(int min, int max) { |
| Random rand = new Random(); |
| int randomNumber = rand.nextInt((max - min) + 1) + min; |
| return randomNumber; |
| } |
| |
| private void testCacheService() { |
| String userInfo = guavaCache.getIfPresent("user_1"); |
| if (!StringUtils.hasLength(userInfo)) { |
| guavaCache.put("user_1", "name:John,address:earth"); |
| } |
| Map<String, String> users = new HashMap<>(); |
| users.put("user_2", "name:Tom,address:earth"); |
| users.put("user_3", "name:Jack,address:earth"); |
| guavaCache.putAll(users); |
| guavaCache.getAllPresent(Arrays.asList("user_2", "user_3")); |
| guavaCache.invalidate("user_1"); |
| guavaCache.invalidate("user_2"); |
| guavaCache.invalidateAll(); |
| } |
| } |