update at 2022-03-04 09:59:22 by ehlxr

budd-server/src/main/java/io/github/ehlxr/config/LoggerLevelRefresher.java

@@ -0,0 +1,65 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrg@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.config;
+
+// import com.ctrip.framework.apollo.model.ConfigChangeEvent;
+// import com.ctrip.framework.apollo.spring.annotation.ApolloConfigChangeListener;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.logging.LoggingSystem;
+// import org.springframework.stereotype.Component;
+
+/**
+ * 结合 apollo 配置中心动态刷新（logging.level.）日志级别
+ *
+ * @author ehlxr
+ * @since 2022-01-06 17:43.
+ */
+// @Component
+public class LoggerLevelRefresher {
+    private static final Logger logger = LoggerFactory.getLogger(LoggerLevelRefresher.class);
+    private static final String LOGGER_TAG = "logging.level.";
+    private final LoggingSystem loggingSystem;
+
+    @Autowired
+    public LoggerLevelRefresher(LoggingSystem loggingSystem) {
+        this.loggingSystem = loggingSystem;
+    }
+
+    // @ApolloConfigChangeListener(interestedKeyPrefixes = LOGGER_TAG)
+    // private void onChange(ConfigChangeEvent changeEvent) {
+    //     for (String key : changeEvent.changedKeys()) {
+    //         String strLevel = changeEvent.getChange(key).getNewValue();
+    //         loggingSystem.setLogLevel(key.replaceAll(LOGGER_TAG, ""),
+    //                 LogLevel.valueOf(strLevel.toUpperCase()));
+    //
+    //         logger.info("logging changed: {}, oldValue: {}, newValue: {}",
+    //                 key, changeEvent.getChange(key).getOldValue(), strLevel);
+    //     }
+    // }
+
+}

budd-server/src/test/java/com/tzld/activity/ServerApplicationTests.java

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+package com.tzld.activity;
+
+import io.github.ehlxr.semaphore.RedisSemaphore;
+import io.github.ehlxr.semaphore.SemaphoreInfo;
+import org.junit.jupiter.api.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.concurrent.*;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest()
+class ServerApplicationTests {
+
+    ThreadPoolExecutor pool = new ThreadPoolExecutor(10, 10, 0, TimeUnit.MINUTES,
+            new LinkedBlockingQueue<>(),
+            Executors.defaultThreadFactory(),
+            new ThreadPoolExecutor.CallerRunsPolicy());
+    @Autowired
+    private RedisTemplate<String, String> redisTemplate;
+
+    @Test
+    public void testNonFair() throws InterruptedException {
+        SemaphoreInfo semaphoreInfo = new SemaphoreInfo("NonFair", 5, 10);
+        for (int i = 0; i < 10; i++) {
+            String id = String.valueOf(i);
+            RedisSemaphore semaphore = new RedisSemaphore(semaphoreInfo, redisTemplate, id);
+            CompletableFuture.supplyAsync(semaphore::tryAcquire, pool).thenAcceptAsync((r) -> {
+                if (r) System.out.println(id + "成功获取到信号量 (NonFair)~ ⭐⭐⭐");
+                else System.out.println(id + "没有获取到信号量 (NonFair)");
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                semaphore.release();
+            }, pool);
+        }
+        Thread.sleep(Long.MAX_VALUE);
+    }
+
+    @Test
+    public void testFair() throws ExecutionException, InterruptedException {
+        SemaphoreInfo semaphoreInfo = new SemaphoreInfo("Fair", 5, 10, true);
+        for (int i = 0; i < 10; i++) {
+            String id = String.valueOf(i);
+            RedisSemaphore semaphore = new RedisSemaphore(semaphoreInfo, redisTemplate, id);
+            CompletableFuture.supplyAsync(semaphore::tryAcquire, pool).thenAcceptAsync((r) -> {
+                if (r) System.out.println(id + "成功获取到信号量 (Fair)~~ ⭐⭐⭐");
+                else System.out.println(id + "没有获取到信号量 (Fair)");
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                semaphore.release();
+            }, pool);
+        }
+        Thread.sleep(Long.MAX_VALUE);
+    }
+
+}