Initial commit

main
ChaosLL1337 2026-10-23 20:01:47 +02:00
commit 8a4ace5d1e
12 changed files with 249 additions and 0 deletions

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.idea/.gitignore vendored 100644
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Ignored default folder with query files
/queries/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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.idea/compiler.xml 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<annotationProcessing>
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="pp.A1-CondPhilosophers" />
</profile>
</annotationProcessing>
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<?xml version="1.0" encoding="UTF-8"?>
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<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
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<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
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<?xml version="1.0" encoding="UTF-8"?>
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<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="KubernetesApiProvider"><![CDATA[{}]]></component>
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<component name="AdditionalModuleElements">
<content url="file://$MODULE_DIR$" />
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.idea/vcs.xml 100644
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<?xml version="1.0" encoding="UTF-8"?>
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<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>pp</groupId>
<artifactId>pp.A1-CondPhilosophers</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<exec.mainClass>pp.PhilosopherExperiment</exec.mainClass>
<maven.compiler.release>10</maven.compiler.release>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<dependencies>
<dependency><!-- für Unit-Tests -->
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>5.10.0</version>
<scope>test</scope>
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<dependency><!-- für Lombok -->
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.42</version>
<scope>provided</scope>
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<dependency><!-- für net.jcip Annotationen -->
<groupId>net.jcip</groupId>
<artifactId>jcip-annotations</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin><!-- für Unit-Tests [mvn test] -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<plugin><!-- [mvn compile] -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.9.0</version>
</plugin>
<plugin><!-- [mvn exec:java] -->
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>3.1.0</version>
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<plugin><!-- [mvn javadoc:javadoc] -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.5.0</version>
<configuration>
<show>private</show>
<locale>en_US</locale>
</configuration>
</plugin>
</plugins>
</build>
</project>

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package pp;
import java.util.concurrent.locks.Lock;
public interface IPhilosopher {
void run();
void setLeft(IPhilosopher left);
void setRight(IPhilosopher right);
void setSeat(int seat);
void setTable(Lock table);
void start();
void stopPhilosopher();
default void log(int seat, String message) {
synchronized (Philosopher.class) {
for (var i = 1; i <= seat; i++) {
System.out.print(" ");
}
System.out.println("P" + seat + ": " + message);
}
}
}

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package pp;
import java.util.concurrent.locks.Lock;
public class Philosopher extends Thread implements IPhilosopher {
private int seat;
@Override
public void setLeft(IPhilosopher left) {
// TODO Auto-generated method stub
// Cast auf Philosopher erforderlich
}
@Override
public void setRight(IPhilosopher right) {
// TODO Auto-generated method stub
// Cast auf Philosopher erforderlich
}
@Override
public void setSeat(int seat) {
this.seat = seat;
}
@Override
public void setTable(Lock table) {
// TODO Auto-generated method stub
}
@Override
public void stopPhilosopher() {
// TODO Auto-generated method stub
}
}

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package pp;
import java.util.concurrent.locks.ReentrantLock;
public class PhilosopherExperiment {
static final int MAX_THINKING_DURATION_MS = 3000;
static final int MAX_EATING_DURATION_MS = 3000;
static final int MAX_TAKING_TIME_MS = 100;
static final int PHILOSOPHER_NUM = 5;
static final int EXP_DURATION_MS = 20000;
static IPhilosopher[] philosophers = new Philosopher[PHILOSOPHER_NUM];
public static void main(String... args) throws InterruptedException {
var table = new ReentrantLock();
for (var i = 0; i < PHILOSOPHER_NUM; i++) {
philosophers[i] = new Philosopher();
philosophers[i].setTable(table);
philosophers[i].setSeat(i);
}
philosophers[0].setLeft(philosophers[PHILOSOPHER_NUM - 1]);
philosophers[0].setRight(philosophers[1]);
for (var i = 1; i < (PHILOSOPHER_NUM - 1); i++) {
philosophers[i].setLeft(philosophers[i - 1]);
philosophers[i].setRight(philosophers[i + 1]);
}
philosophers[PHILOSOPHER_NUM - 1]
.setLeft(philosophers[PHILOSOPHER_NUM - 2]);
philosophers[PHILOSOPHER_NUM - 1].setRight(philosophers[0]);
for (var i = 0; i < PHILOSOPHER_NUM; i++) {
philosophers[i].start();
}
Thread.sleep(EXP_DURATION_MS);
for (var i = 0; i < PHILOSOPHER_NUM; i++) {
philosophers[i].stopPhilosopher();
}
}
}