[alerter] 告警处理指标数据，告警表达式计算，内容模版关键字替换

alerter/src/main/java/com/usthe/alert/AlerterWorkerPool.java

@@ -0,0 +1,54 @@
+package com.usthe.alert;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.RejectedExecutionException;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * warehouse 工作线程池
+ * @author tom
+ * @date 2021/11/24 18:09
+ */
+@Component
+@Slf4j
+public class AlerterWorkerPool {
+
+    private ThreadPoolExecutor workerExecutor;
+
+    public AlerterWorkerPool() {
+        initWorkExecutor();
+    }
+
+    private void initWorkExecutor() {
+        // 线程工厂
+        ThreadFactory threadFactory = new ThreadFactoryBuilder()
+                .setUncaughtExceptionHandler((thread, throwable) -> {
+                    log.error("workerExecutor has uncaughtException.");
+                    log.error(throwable.getMessage(), throwable); })
+                .setDaemon(true)
+                .setNameFormat("alerter-worker-%d")
+                .build();
+        workerExecutor = new ThreadPoolExecutor(6,
+                10,
+                10,
+                TimeUnit.SECONDS,
+                new SynchronousQueue<>(),
+                threadFactory,
+                new ThreadPoolExecutor.AbortPolicy());
+    }
+
+    /**
+     * 运行alerter任务
+     * @param runnable 任务
+     * @throws RejectedExecutionException when 线程池满
+     */
+    public void executeJob(Runnable runnable) throws RejectedExecutionException {
+        workerExecutor.execute(runnable);
+    }
+}