From 7106caa0518df87682f93555103955dd8d74e84e Mon Sep 17 00:00:00 2001 From: chenchenxinhai <2793915820@qq.com> Date: Sun, 29 Oct 2023 15:57:47 +0800 Subject: [PATCH] =?UTF-8?q?=E5=88=9D=E5=A7=8B=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitignore | 38 ++++++ .idea/.gitignore | 8 ++ .idea/encodings.xml | 8 ++ .idea/misc.xml | 14 ++ .idea/uiDesigner.xml | 124 ++++++++++++++++++ .idea/vcs.xml | 6 + pom.xml | 58 ++++++++ .../com/bwie/pool/JedisPoolApplication.java | 13 ++ .../java/com/bwie/pool/service/RedisPool.java | 20 +++ .../bwie/pool/service/impl/MyRedisPool.java | 51 +++++++ src/main/resources/application.properties | 1 + .../JedisPoolApplicationTests.java | 56 ++++++++ 12 files changed, 397 insertions(+) create mode 100644 .gitignore create mode 100644 .idea/.gitignore create mode 100644 .idea/encodings.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/uiDesigner.xml create mode 100644 .idea/vcs.xml create mode 100644 pom.xml create mode 100644 src/main/java/com/bwie/pool/JedisPoolApplication.java create mode 100644 src/main/java/com/bwie/pool/service/RedisPool.java create mode 100644 src/main/java/com/bwie/pool/service/impl/MyRedisPool.java create mode 100644 src/main/resources/application.properties create mode 100644 src/test/java/com.bwie.redis/JedisPoolApplicationTests.java diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/.gitignore @@ -0,0 +1,38 @@ +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..35410ca --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 0000000..63574ec --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..e2044d1 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,14 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml new file mode 100644 index 0000000..2b63946 --- /dev/null +++ b/.idea/uiDesigner.xml @@ -0,0 +1,124 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/pom.xml b/pom.xml new file mode 100644 index 0000000..4d785bd --- /dev/null +++ b/pom.xml @@ -0,0 +1,58 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.7.17 + + + com.bwie + zuoye3 + 0.0.1.1 + zuoye3 + zuoye3 + + 17 + + + + org.springframework.boot + spring-boot-starter + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + redis.clients + jedis + + + junit + junit + test + + + redis.clients + jedis + 3.8.0 + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/src/main/java/com/bwie/pool/JedisPoolApplication.java b/src/main/java/com/bwie/pool/JedisPoolApplication.java new file mode 100644 index 0000000..62e2498 --- /dev/null +++ b/src/main/java/com/bwie/pool/JedisPoolApplication.java @@ -0,0 +1,13 @@ +package com.bwie.pool; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class JedisPoolApplication { + + public static void main (String[] args) { + SpringApplication.run (JedisPoolApplication.class, args); + } + +} diff --git a/src/main/java/com/bwie/pool/service/RedisPool.java b/src/main/java/com/bwie/pool/service/RedisPool.java new file mode 100644 index 0000000..fef75b9 --- /dev/null +++ b/src/main/java/com/bwie/pool/service/RedisPool.java @@ -0,0 +1,20 @@ +package com.bwie.pool.service; + + +import redis.clients.jedis.Jedis; + + +public interface RedisPool { + + + public void init (int maxTotal, long maxWaitMillis); + + + + public Jedis getResource () throws Exception; + + + + + public void release (Jedis jedis); +} diff --git a/src/main/java/com/bwie/pool/service/impl/MyRedisPool.java b/src/main/java/com/bwie/pool/service/impl/MyRedisPool.java new file mode 100644 index 0000000..c69a469 --- /dev/null +++ b/src/main/java/com/bwie/pool/service/impl/MyRedisPool.java @@ -0,0 +1,51 @@ +package com.bwie.pool.service.impl; + + +import com.bwie.pool.service.RedisPool; +import org.springframework.stereotype.Component; +import redis.clients.jedis.Jedis; + +import java.util.concurrent.LinkedBlockingDeque; +import java.util.concurrent.atomic.AtomicInteger; + +@Component +public class MyRedisPool implements RedisPool { + private final AtomicInteger count = new AtomicInteger (); + private int maxTotal; + private long maxWaitMillis; + private LinkedBlockingDeque idleObjects = null; + private LinkedBlockingDeque activeObjects = null; + + @Override + public void init (int maxTotal, long maxWaitMillis) { + this.maxTotal = maxTotal; + this.maxWaitMillis = maxWaitMillis; + idleObjects = new LinkedBlockingDeque<> (maxTotal); + activeObjects = new LinkedBlockingDeque<> (maxTotal); + } + + @Override + public Jedis getResource () throws Exception { + long startTime = System.currentTimeMillis (); + Jedis jedis = idleObjects.poll (); + if (jedis != null) { + activeObjects.offer (jedis); + return jedis; + } + if (count.incrementAndGet () > maxTotal) { + count.decrementAndGet (); + throw new Exception ("连接数已满"); + } + jedis = new Jedis ("127.0.0.1", 6379); + activeObjects.offer (jedis); + System.out.println ("---------------------------------------------创建了一个连接"); + return jedis; + } + + @Override + public void release (Jedis jedis) { + if (activeObjects.remove (jedis)) { + idleObjects.offer (jedis); + } + } +} diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/src/test/java/com.bwie.redis/JedisPoolApplicationTests.java b/src/test/java/com.bwie.redis/JedisPoolApplicationTests.java new file mode 100644 index 0000000..58046c7 --- /dev/null +++ b/src/test/java/com.bwie.redis/JedisPoolApplicationTests.java @@ -0,0 +1,56 @@ +package com.bwie.redis; + + +import com.bwie.pool.service.impl.MyRedisPool; +import org.junit.jupiter.api.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; +import redis.clients.jedis.Jedis; + +import javax.annotation.Resource; +import java.util.concurrent.CountDownLatch; + +@RunWith (SpringRunner.class) +@SpringBootTest +class JedisPoolApplicationTests { + private final static int THREAD_NUM = 50; + private final CountDownLatch cdl = new CountDownLatch (THREAD_NUM); + + @Resource + private MyRedisPool redisPool; + + @Test + void contextLoads () throws Exception { + redisPool.init (45, 2000); + + for (int i = 0; i < THREAD_NUM; i++) { + new Thread (() -> { + try { + System.out.println ("开始收集栅栏里的个体数" + THREAD_NUM); + cdl.await (); // 等待所有线程创建完毕 + } + catch (Exception e) { + throw new RuntimeException (e); + } + + Jedis jedis = null; + + try { + jedis = redisPool.getResource (); + jedis.incr ("poolTest.inr"); + } + catch (Exception e) { + System.out.println ("在运行时出现" + e.getMessage () + "异常"); + } + finally { + redisPool.release (jedis); + } + }).start (); + + cdl.countDown (); // 计数器减一,所有线程同时开始执行 + } + + Thread.sleep (2000); // 主线程休眠2秒,等待所有线程完成操作 + } +}