From 2f5e5dbe339202fde42b66f75730d795d6b8be7b Mon Sep 17 00:00:00 2001
From: 2wenty1ne <sirdarkvic@gmail.com>
Date: Sat, 26 Oct 2024 17:49:49 +0200
Subject: [PATCH] Added given files

---
 pp.A1-CondPhilosophers/pom.xml                | 61 +++++++++++++++++++
 .../src/main/java/pp/IPhilosopher.java        | 30 +++++++++
 .../src/main/java/pp/Philosopher.java         | 36 +++++++++++
 .../main/java/pp/PhilosopherExperiment.java   | 37 +++++++++++
 4 files changed, 164 insertions(+)
 create mode 100644 pp.A1-CondPhilosophers/pom.xml
 create mode 100644 pp.A1-CondPhilosophers/src/main/java/pp/IPhilosopher.java
 create mode 100644 pp.A1-CondPhilosophers/src/main/java/pp/Philosopher.java
 create mode 100644 pp.A1-CondPhilosophers/src/main/java/pp/PhilosopherExperiment.java

diff --git a/pp.A1-CondPhilosophers/pom.xml b/pp.A1-CondPhilosophers/pom.xml
new file mode 100644
index 0000000..4fcff74
--- /dev/null
+++ b/pp.A1-CondPhilosophers/pom.xml
@@ -0,0 +1,61 @@
+<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>
+  </properties>
+  <dependencies>
+    <dependency><!-- für Unit-Tests -->
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <version>5.10.0</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency><!-- für Lombok -->
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.30</version>
+      <scope>provided</scope>
+    </dependency>
+    <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>
+      </plugin>
+      <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>
diff --git a/pp.A1-CondPhilosophers/src/main/java/pp/IPhilosopher.java b/pp.A1-CondPhilosophers/src/main/java/pp/IPhilosopher.java
new file mode 100644
index 0000000..edb96c8
--- /dev/null
+++ b/pp.A1-CondPhilosophers/src/main/java/pp/IPhilosopher.java
@@ -0,0 +1,30 @@
+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);
+		}
+	}
+
+}
diff --git a/pp.A1-CondPhilosophers/src/main/java/pp/Philosopher.java b/pp.A1-CondPhilosophers/src/main/java/pp/Philosopher.java
new file mode 100644
index 0000000..8139cfb
--- /dev/null
+++ b/pp.A1-CondPhilosophers/src/main/java/pp/Philosopher.java
@@ -0,0 +1,36 @@
+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
+
+	}
+}
diff --git a/pp.A1-CondPhilosophers/src/main/java/pp/PhilosopherExperiment.java b/pp.A1-CondPhilosophers/src/main/java/pp/PhilosopherExperiment.java
new file mode 100644
index 0000000..ad68ed4
--- /dev/null
+++ b/pp.A1-CondPhilosophers/src/main/java/pp/PhilosopherExperiment.java
@@ -0,0 +1,37 @@
+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();
+    }
+  }
+}