From 4f0c87bbb84270e7b1dc3bd8dc1a4aa7ced128e7 Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Mon, 03 Jun 2024 18:19:05 +0800
Subject: [PATCH] 1
---
src/main/java/com/nq/service/impl/StockServiceImpl.java | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/src/main/java/com/nq/service/impl/StockServiceImpl.java b/src/main/java/com/nq/service/impl/StockServiceImpl.java
index 1c7c7a2..40c79f9 100644
--- a/src/main/java/com/nq/service/impl/StockServiceImpl.java
+++ b/src/main/java/com/nq/service/impl/StockServiceImpl.java
@@ -36,9 +36,7 @@
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.*;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
+import java.util.concurrent.*;
import java.util.stream.Collectors;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
@@ -178,17 +176,21 @@
stockListVOS.addAll(Objects.requireNonNull(StockApi.getStockReailTimes(stockList)));
}
- // Use CompletableFuture to perform asynchronous processing for each stockListVO
- ExecutorService executor = Executors.newFixedThreadPool(20); // Create a fixed thread pool with a maximum of 10 threads
+ // 根据实际情况调整核心线程数和最大线程数
+ int corePoolSize = Runtime.getRuntime().availableProcessors(); // 根据实际情况设置核心线程数（通常为CPU核心数）
+ int maxPoolSize = corePoolSize * 2; // 设置最大线程数为核心线程数的两倍
+ ThreadPoolExecutor executor = new ThreadPoolExecutor(corePoolSize, maxPoolSize, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>());
List<CompletableFuture<Void>> futures = stockListVOS.stream()
.map(stockListVO -> CompletableFuture.supplyAsync(() ->
iPriceServices.getNowPrice(stockListVO.getCode(), stockType), executor)
.thenAcceptAsync(price -> stockListVO.setNowPrice(price.toString()), executor))
.collect(Collectors.toList());
- // Wait for all futures to complete
+ // 等待所有CompletableFuture完成
CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
+
+
RPageInfo pageInfo = new RPageInfo();
pageInfo.setList(stockListVOS);
pageInfo.setStockType(stockType);
--
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