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wudashan 2018-02-14 20:03:36 +08:00
commit e0087741bc
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4
.gitignore vendored Normal file
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.idea/
target/
*.iml
*.class

13
.idea/libraries/Maven__org_apache_logging_log4j_log4j_api_2_10_0.xml generated Normal file
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<component name="libraryTable">
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<CLASSES>
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13
.idea/libraries/Maven__org_apache_logging_log4j_log4j_core_2_10_0.xml generated Normal file
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<component name="libraryTable">
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<CLASSES>
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13
.idea/libraries/Maven__org_apache_logging_log4j_log4j_slf4j_impl_2_10_0.xml generated Normal file
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<component name="libraryTable">
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13
.idea/libraries/Maven__org_slf4j_slf4j_api_1_8_0_alpha2.xml generated Normal file
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<root url="jar://$MAVEN_REPOSITORY$/org/slf4j/slf4j-api/1.8.0-alpha2/slf4j-api-1.8.0-alpha2-sources.jar!/" />
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.idea/uiDesigner.xml generated Normal file
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<group name="Swing">
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
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pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>cn.wudashan</groupId>
<artifactId>slf4j-mdc-muti-thread</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.10.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
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</plugins>
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src/main/java/cn/wudashan/Main.java Normal file
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package cn.wudashan;
import cn.wudashan.executor.BaseThreadPoolExecutor;
import cn.wudashan.util.MDCUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.UUID;
/**
* 主函数
* @author wudashan
*/
public class Main {
private static final String KEY = "requestId";
private static final Logger logger = LoggerFactory.getLogger(Main.class);
public static void main(String[] args) {
MDCUtil.put(KEY, UUID.randomUUID().toString());
logger.debug("log in main thread");
BaseThreadPoolExecutor executor = new BaseThreadPoolExecutor();
executor.execute(new Runnable() {
@Override
public void run() {
logger.debug("log in base thread pool");
}
});
executor.shutdown();
MDCUtil.remove(KEY);
}
}

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src/main/java/cn/wudashan/executor/BaseRunnable.java Normal file
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package cn.wudashan.executor;
import cn.wudashan.util.MDCUtil;
import java.util.Map;
/**
* 基本任务类
* @author wudashan
*/
public class BaseRunnable implements Runnable {
private final Runnable runnable;
private final Map<String, String> map;
public BaseRunnable(Runnable runnable) {
this.runnable = runnable;
this.map = MDCUtil.getCopyOfContextMap();
}
@Override
public void run() {
for (Map.Entry<String, String> entry : map.entrySet()) {
MDCUtil.put(entry.getKey(), entry.getValue());
}
runnable.run();
for (Map.Entry<String, String> entry : map.entrySet()) {
MDCUtil.remove(entry.getKey());
}
}
}

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src/main/java/cn/wudashan/executor/BaseThreadPoolExecutor.java Normal file
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package cn.wudashan.executor;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
* 基本线程池类
* @author wudashan
*/
public class BaseThreadPoolExecutor {
private final ThreadPoolExecutor threadPoolExecutor;
public BaseThreadPoolExecutor() {
this.threadPoolExecutor = new ThreadPoolExecutor(10, 10, 0, TimeUnit.SECONDS, new ArrayBlockingQueue<>(10));
}
public void execute(Runnable runnable) {
runnable = new BaseRunnable(runnable);
threadPoolExecutor.execute(runnable);
}
public void shutdown() {
threadPoolExecutor.shutdown();
}
}

39
src/main/java/cn/wudashan/util/MDCUtil.java Normal file
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package cn.wudashan.util;
import org.slf4j.MDC;
import java.util.Collections;
import java.util.Map;
/**
* MDC工具类，屏蔽异常和空指针
* @author wudashan
*/
public class MDCUtil {
public static Map<String, String> getCopyOfContextMap() {
Map<String, String> result;
try {
result = MDC.getCopyOfContextMap();
} catch (RuntimeException ignored) {
result = Collections.emptyMap();
}
if (result == null) {
result = Collections.emptyMap();
}
return result;
}
public static void put(String key, String value) {
try {
MDC.put(key, value);
} catch (RuntimeException ignored) {}
}
public static void remove(String key) {
try {
MDC.remove(key);
} catch (RuntimeException ignored) {}
}
}

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src/main/resources/log4j2.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<configuration status="OFF">
<appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %X [%t] %-5level %logger{36} - %msg%n"/>
</Console>
</appenders>
<loggers>
<root level="DEBUG">
<appender-ref ref="Console"/>
</root>
</loggers>
</configuration>