增加CompletableFuture相关封装

hutool-core/src/main/java/cn/hutool/core/thread/SyncUtil.java

@@ -0,0 +1,53 @@
+package cn.hutool.core.thread;
+
+import cn.hutool.core.exceptions.ExceptionUtil;
+
+import java.lang.reflect.UndeclaredThrowableException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+
+/**
+ * CompletableFuture工具类，叫CompletableFutureUtil太长
+ *
+ * @author <achao1441470436@gmail.com>
+ * @since 2021/11/10 0010 20:55
+ */
+public class SyncUtil {
+
+	private SyncUtil() {
+		/* Do not new me! */
+	}
+
+	/**
+	 * 等待所有任务执行完毕，包裹了异常
+	 *
+	 * @param tasks 并行任务
+	 * @throws UndeclaredThrowableException 未受检异常
+	 */
+	public static void wait(CompletableFuture<?>... tasks) {
+		try {
+			CompletableFuture.allOf(tasks).get();
+		} catch (InterruptedException | ExecutionException e) {
+			ExceptionUtil.wrapAndThrow(e);
+		}
+	}
+
+	/**
+	 * 获取异步任务结果，包裹了异常
+	 *
+	 * @param task 异步任务
+	 * @param <T>  任务返回值类型
+	 * @return 任务返回值
+	 * @throws RuntimeException 未受检异常
+	 */
+	public static <T> T get(CompletableFuture<T> task) {
+		RuntimeException exception;
+		try {
+			return task.get();
+		} catch (InterruptedException | ExecutionException e) {
+			exception = ExceptionUtil.wrapRuntime(e);
+		}
+		throw exception;
+	}
+
+}