Maven依賴
|
1
2
3
4
5
|
<dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>31.0.1-jre</version></dependency> |
代碼
不廢話上代碼。
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
package com.huyi.csdn.tools; import cn.hutool.core.thread.ThreadUtil;import com.google.common.util.concurrent.Monitor;import org.springframework.scheduling.concurrent.CustomizableThreadFactory; import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.function.Function; /** * @Program: csdn @ClassName: MonitorRunner @Author: huyi @Date: 2021-10-30 15:22 @Description: * 監視器Runner @Version: V1.0 */public class MonitorRunner<T> implements Runnable { private T param; private Function<T, Boolean> condition; private Runnable runnable; private Monitor monitor; /** * 構造函數 * * @param param 判斷參數 * @param condition 判定函數 * @param runnable 執行內容 */ public MonitorRunner(T param, Function<T, Boolean> condition, Runnable runnable) { this.param = param; this.condition = condition; this.runnable = runnable; monitor = new Monitor(); } @Override public void run() { System.out.println("線程開始"); Monitor.Guard guard = new Monitor.Guard(monitor) { @Override public boolean isSatisfied() { return condition.apply(param); } }; while (true) { if (monitor.enterIf(guard)) { try { runnable.run(); } finally { monitor.leave(); break; } } else { continue; } } } public T getParam() { return param; } public MonitorRunner<T> setParam(T param) { this.param = param; return this; } public static void main(String[] args) { ExecutorService executorService = Executors.newFixedThreadPool(10, new CustomizableThreadFactory("MONITOR-")); MonitorRunner<Integer> monitorRunner = new MonitorRunner<>( 0, x -> x > 10, () -> { // todo 線程需要執行的內容 System.out.println("今天天氣真好"); }); executorService.submit(monitorRunner); while (monitorRunner.getParam() <= 10) { monitorRunner.setParam(monitorRunner.getParam() + 1); ThreadUtil.sleep(1000L); System.out.println("當前Param的值:" + monitorRunner.getParam()); } ThreadUtil.sleep(5000L); executorService.shutdown(); }} |
代碼說明
主要在構造對象的時候需要傳遞泛型的校驗對象，以及斷言和需要執行的Runable。
執行結果
總結
沒啥好總結的，看場景使用吧。
如果本文對你有用，請點個贊吧，謝謝。
到此這篇關于Java guava monitor監視器線程的使用詳解的文章就介紹到這了,更多相關Java 監視器線程內容請搜索服務器之家以前的文章或繼續瀏覽下面的相關文章希望大家以后多多支持服務器之家！
原文鏈接：https://huyi-aliang.blog.csdn.net/article/details/121056404
