BAEL-1205 Introduction to SPF4J (#7064)
* BAEL-1205 Introduction to SPF4j
This commit is contained in:
macroscopic64
Josh Cummings
parent
7b0daba254
commit
d5f8b4e852
21
spf4j/pom.xml
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21
spf4j/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung.spf4j</groupId>
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<artifactId>spf4j</artifactId>
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<name>spf4j</name>
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<packaging>pom</packaging>
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<parent>
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<artifactId>parent-modules</artifactId>
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<groupId>com.baeldung</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<modules>
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<module>spf4j-core-app</module>
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<module>spf4j-aspects-app</module>
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</modules>
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</project>
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83
spf4j/spf4j-aspects-app/pom.xml
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83
spf4j/spf4j-aspects-app/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spf4j-aspects-app</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>spf4j-aspects-app</name>
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<parent>
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<artifactId>parent-modules</artifactId>
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<groupId>com.baeldung</groupId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../../</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.spf4j</groupId>
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<artifactId>spf4j-aspects</artifactId>
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<version>${spf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.spf4j</groupId>
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<artifactId>spf4j-ui</artifactId>
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<version>${spf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${org.slf4j.version}</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>spf4j-aspects-app</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-dependency-plugin</artifactId>
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<version>3.1.1</version>
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<executions>
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<execution>
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<id>copy-dependencies</id>
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<phase>package</phase>
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<goals>
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<goal>copy-dependencies</goal>
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</goals>
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<configuration>
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<outputDirectory>
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${project.build.directory}/dependency-jars/
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</outputDirectory>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.baeldung.spf4j.aspects.App</mainClass>
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<addClasspath>true</addClasspath>
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<classpathPrefix>dependency-jars/</classpathPrefix>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<spf4j.version>8.6.10</spf4j.version>
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<org.slf4j.version>1.7.21</org.slf4j.version>
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</properties>
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</project>
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@ -0,0 +1,28 @@
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package com.baeldung.spf4j.aspects;
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import java.util.Random;
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import org.spf4j.annotations.PerformanceMonitor;
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public class App {
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public static void main(String[] args) throws InterruptedException {
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Spf4jConfig.initialize();
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Random random = new Random();
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for (int i = 0; i < 100; i++) {
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long numberToCheck = random.nextInt(999_999_999 - 100_000_000 + 1) + 100_000_000;
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isPrimeNumber(numberToCheck);
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}
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System.exit(0);
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}
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@PerformanceMonitor(warnThresholdMillis = 1, errorThresholdMillis = 100, recorderSource = Spf4jConfig.RecorderSourceForIsPrimeNumber.class)
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public static boolean isPrimeNumber(long number) {
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for (long i = 2; i <= number / 2; i++) {
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if (number % i == 0)
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return false;
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}
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return true;
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}
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}
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@ -0,0 +1,37 @@
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package com.baeldung.spf4j.aspects;
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import java.io.File;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.spf4j.annotations.RecorderSourceInstance;
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import org.spf4j.perf.MeasurementRecorderSource;
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import org.spf4j.perf.impl.RecorderFactory;
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public class Spf4jConfig {
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private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
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public static void initialize() {
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String tsDbFile = System.getProperty("user.dir") + File.separator + "spf4j-performance-monitoring.tsdb2";
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String tsTextFile = System.getProperty("user.dir") + File.separator + "spf4j-performance-monitoring.txt";
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LOGGER.info("\nTime Series DB (TSDB) : {}\nTime Series text file : {}", tsDbFile, tsTextFile);
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System.setProperty("spf4j.perf.ms.config", "TSDB@" + tsDbFile + "," + "TSDB_TXT@" + tsTextFile);
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}
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public static final class RecorderSourceForIsPrimeNumber extends RecorderSourceInstance {
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public static final MeasurementRecorderSource INSTANCE;
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static {
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Object forWhat = App.class + " isPrimeNumber";
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String unitOfMeasurement = "ms";
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int sampleTimeMillis = 1_000;
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int factor = 10;
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int lowerMagnitude = 0;
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int higherMagnitude = 4;
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int quantasPerMagnitude = 10;
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INSTANCE = RecorderFactory.createScalableQuantizedRecorderSource(forWhat, unitOfMeasurement,
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sampleTimeMillis, factor, lowerMagnitude, higherMagnitude, quantasPerMagnitude);
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}
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}
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}
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12
spf4j/spf4j-aspects-app/src/main/resources/META-INF/aop.xml
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12
spf4j/spf4j-aspects-app/src/main/resources/META-INF/aop.xml
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<aspectj>
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<aspects>
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<aspect
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name="org.spf4j.perf.aspects.PerformanceMonitorAspect" />
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</aspects>
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<weaver options="-verbose">
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<!-- make sure the classes you want to apply aspects to are included -->
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<include within="com..*" />
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<include
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within="org.spf4j.perf.aspects.PerformanceMonitorAspect" />
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</weaver>
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</aspectj>
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11
spf4j/spf4j-aspects-app/src/main/resources/logback.xml
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11
spf4j/spf4j-aspects-app/src/main/resources/logback.xml
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<configuration>
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<appender name="STDOUT"
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class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>[%level] %msg%n</pattern>
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</encoder>
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</appender>
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<root level="debug">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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83
spf4j/spf4j-core-app/pom.xml
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83
spf4j/spf4j-core-app/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spf4j-core-app</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>spf4j-core-app</name>
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<parent>
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<artifactId>parent-modules</artifactId>
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<groupId>com.baeldung</groupId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../../</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.spf4j</groupId>
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<artifactId>spf4j-core</artifactId>
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<version>${spf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.spf4j</groupId>
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<artifactId>spf4j-ui</artifactId>
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<version>${spf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${org.slf4j.version}</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>spf4j-core-app</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-dependency-plugin</artifactId>
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<version>3.1.1</version>
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<executions>
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<execution>
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<id>copy-dependencies</id>
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<phase>package</phase>
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<goals>
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<goal>copy-dependencies</goal>
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</goals>
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<configuration>
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<outputDirectory>
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${project.build.directory}/dependency-jars/
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</outputDirectory>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.baeldung.spf4j.core.App</mainClass>
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<addClasspath>true</addClasspath>
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<classpathPrefix>dependency-jars/</classpathPrefix>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<spf4j.version>8.6.10</spf4j.version>
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<org.slf4j.version>1.7.21</org.slf4j.version>
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</properties>
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</project>
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package com.baeldung.spf4j.core;
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import java.util.Random;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.spf4j.perf.MeasurementRecorder;
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public class App {
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private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
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public static void main(String[] args) throws InterruptedException {
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Spf4jConfig.initialize();
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MeasurementRecorder measurementRecorder = Spf4jConfig.getMeasurementRecorder(App.class + " isPrimeNumber");
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Random random = new Random();
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for (int i = 0; i < 100; i++) {
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long numberToCheck = random.nextInt(999_999_999 - 100_000_000 + 1) + 100_000_000;
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long startTime = System.currentTimeMillis();
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boolean isPrime = isPrimeNumber(numberToCheck);
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measurementRecorder.record(System.currentTimeMillis() - startTime);
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LOGGER.info("{}. {} is prime? {}", i + 1, numberToCheck, isPrime);
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}
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System.exit(0);
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}
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private static boolean isPrimeNumber(long number) {
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for (long i = 2; i <= number / 2; i++) {
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if (number % i == 0)
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return false;
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}
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return true;
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}
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}
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package com.baeldung.spf4j.core;
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import java.io.File;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.spf4j.perf.MeasurementRecorder;
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import org.spf4j.perf.impl.RecorderFactory;
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public class Spf4jConfig {
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private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
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public static void initialize() {
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String tsDbFile = System.getProperty("user.dir") + File.separator + "spf4j-performance-monitoring.tsdb2";
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String tsTextFile = System.getProperty("user.dir") + File.separator + "spf4j-performance-monitoring.txt";
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LOGGER.info("\nTime Series DB (TSDB) : {}\nTime Series text file : {}", tsDbFile, tsTextFile);
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System.setProperty("spf4j.perf.ms.config", "TSDB@" + tsDbFile + "," + "TSDB_TXT@" + tsTextFile);
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}
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public static MeasurementRecorder getMeasurementRecorder(Object forWhat) {
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String unitOfMeasurement = "ms";
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int sampleTimeMillis = 1_000;
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int factor = 10;
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int lowerMagnitude = 0;
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int higherMagnitude = 4;
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int quantasPerMagnitude = 10;
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return RecorderFactory.createScalableQuantizedRecorder(forWhat, unitOfMeasurement, sampleTimeMillis, factor, lowerMagnitude, higherMagnitude, quantasPerMagnitude);
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}
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}
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11
spf4j/spf4j-core-app/src/main/resources/logback.xml
Normal file
11
spf4j/spf4j-core-app/src/main/resources/logback.xml
Normal file
@ -0,0 +1,11 @@
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<configuration>
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<appender name="STDOUT"
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||||||
|
class="ch.qos.logback.core.ConsoleAppender">
|
||||||
|
<encoder>
|
||||||
|
<pattern>[%level] %msg%n</pattern>
|
||||||
|
</encoder>
|
||||||
|
</appender>
|
||||||
|
<root level="debug">
|
||||||
|
<appender-ref ref="STDOUT" />
|
||||||
|
</root>
|
||||||
|
</configuration>
|
||||||
Loading…
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Reference in New Issue
Block a user