submit - ThreadPoolProject NOT PoolThreadProject

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

.idea/ThreadSynchronizing - PP03.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="17 (2)" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/ThreadSynchronizing - PP03.iml" filepath="$PROJECT_DIR$/.idea/ThreadSynchronizing - PP03.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

PoolThreadProject/PersonalThreadPool/pom.xml

@@ -3,14 +3,13 @@
          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>org.example</groupId>
     <artifactId>PersonalThreadPool</artifactId>
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

PoolThreadProject/PersonalThreadPool/src/main/java/Main.java → PoolThreadProject/PersonalThreadPool/src/main/java/org.example/Main.java

@@ -6,7 +6,8 @@ public class Main
         for(int i = 0; i < 100; i++)
         {
             int taskNo = i;
-            myThreadPool.execute(new Runnable() {
+            myThreadPool.execute(new Runnable()
+            {
                 @Override
                 public void run() {
                     String message = Thread.currentThread().getName() + ": Task " + (taskNo + 1) ;

PoolThreadProject/PersonalThreadPool/src/main/java/TasksQueue.java → PoolThreadProject/PersonalThreadPool/src/main/java/org.example/TasksQueue.java

@@ -24,7 +24,7 @@ public class TasksQueue <RunnableType>
         synchronized (this)
         {
             if (!allowInsertion) return;
-            if (tasks.size() == maxSize)
+            if (this.size() == maxSize)
             {
                 ///System.out.println("Stuck in Adding");
                 this.wait();
@@ -39,13 +39,13 @@ public class TasksQueue <RunnableType>
         RunnableType task = null;
         synchronized (this)
         {
-            if (tasks.size()==0 && allowInsertion)
+            if (this.size()==0 && allowInsertion)
             {
                 ///System.out.println("Stuck in Removing");
                 this.wait();
             }
-            if (tasks.size() ==0 && !allowInsertion) return task;
-            if(tasks.size() == 0)
+            if (this.size() ==0 && !allowInsertion) return task;
+            if(this.size() == 0)
             {
                 /*System.out.println("HHHHHHHHHHHH");
                 System.out.println("!allow" + !allowInsertion);*/

ThreadPoolProject/.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17 (2)" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

ThreadPoolProject/.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/ThreadPoolProject.iml" filepath="$PROJECT_DIR$/ThreadPoolProject.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

ThreadPoolProject/.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

ThreadPoolProject/.idea/workspace.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="8cbae348-bbce-4278-9ba0-e5a0252361d4" name="Changes" comment="">
+      <change afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/ThreadPoolProject.iml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/Main.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/MyThreadPool.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/MyThreadPoolRunnable.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/TasksQueue.java" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectId" id="2Yj4r28mhq3xfs9loJx430aOHNu" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "last_opened_file_path": "D:/HIAST/FIY/FS/Parallel Programming/Lab/3/HW/PoolThreadProject/ThreadPoolProject/src"
+  }
+}]]></component>
+  <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="D:\HIAST\FIY\FS\Parallel Programming\Lab\3\HW\PoolThreadProject\ThreadPoolProject\src" />
+    </key>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="8cbae348-bbce-4278-9ba0-e5a0252361d4" name="Changes" comment="" />
+      <created>1701025849870</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1701025849870</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file

ThreadPoolProject/ThreadPoolProject.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

ThreadPoolProject/src/Main.java

+public class Main
+{
+    public static void main(String[] args) throws Exception
+    {
+        MyThreadPool myThreadPool = new MyThreadPool<>(50, 5);
+        for(int i = 0; i < 100; i++)
+        {
+            int taskNo = i;
+            myThreadPool.execute(new Runnable()
+            {
+                @Override
+                public void run() {
+                    String message = Thread.currentThread().getName() + ": Task " + (taskNo + 1) ;
+                    System.out.println(message);
+                }
+            });
+        }
+        myThreadPool.waitUntilAllTasksFinished(1000);
+       myThreadPool.stop();
+
+    }
+}
\ No newline at end of file

ThreadPoolProject/src/MyThreadPool.java

+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MyThreadPool <RunnableType extends Runnable>
+{
+    private TasksQueue<RunnableType> tasksQueue;
+
+    private List<MyThreadPoolRunnable> workingThreads;
+
+    private boolean isTerminated;
+    private boolean allowInserting;
+
+    private int queueSize;
+    private int workingThreadsNumber;
+
+    public MyThreadPool(int queueSizeInput, int workingThreadsNumberInput) throws Exception
+    {
+        if (queueSizeInput <=0 || workingThreadsNumberInput <= 0)
+        {
+            throw new Exception("Queue Size and Threads Number must be Strictly Larger than zero!!");
+        }
+        this.queueSize = queueSizeInput;
+        this.workingThreadsNumber = workingThreadsNumberInput;
+        this.isTerminated = false;
+        this.allowInserting = true;
+        initiateThreadPool();
+        startWorking();
+    }
+
+    public void execute (RunnableType runnableType) throws Exception
+    {
+        if (isTerminated || !allowInserting) return;
+        this.tasksQueue.addTask(runnableType);
+    }
+
+    public void stop()
+    {
+        synchronized (this)
+        {
+            this.isTerminated = true;
+            this.allowInserting = false;
+            for (MyThreadPoolRunnable runnable : workingThreads)
+                runnable.forceStop();
+        }
+    }
+
+    public synchronized void waitUntilAllTasksFinished(long timeOut) throws InterruptedException
+    {
+        if (this.isTerminated) return;
+        allowInserting = false;
+        this.isTerminated = true;
+        tasksQueue.softFinish(timeOut);
+
+    }
+
+    private void initiateThreadPool()
+    {
+        this.tasksQueue = new TasksQueue<>(this.queueSize);
+
+        this.workingThreads = new ArrayList<>();
+
+        for (int i=1 ; i<= this.workingThreadsNumber ; i++)
+        {
+            workingThreads.add(new MyThreadPoolRunnable(tasksQueue));
+        }
+    }
+
+    private void startWorking()
+    {
+        for (MyThreadPoolRunnable myThreadPoolRunnable : workingThreads)
+            new Thread(myThreadPoolRunnable).start();
+    }
+}

ThreadPoolProject/src/MyThreadPoolRunnable.java

+public class MyThreadPoolRunnable<RunnableType extends Runnable> implements Runnable
+{
+    private TasksQueue<RunnableType> tasksQueue;
+
+    private boolean isTerminated;
+
+    private Thread thread;
+
+    public MyThreadPoolRunnable(TasksQueue<RunnableType> tasksQueue)
+    {
+        this.tasksQueue = tasksQueue;
+        this.isTerminated = false;
+    }
+
+    public void forceStop()
+    {
+        this.isTerminated = true;
+        this.thread.interrupt();
+    }
+
+    @Override
+    public void run()
+    {
+        thread = Thread.currentThread();
+
+        while(!terminated())
+        {
+            try
+            {
+                RunnableType job = tasksQueue.removeTask();
+                if (job == null) continue;
+                job.run();
+            }
+            catch (InterruptedException e)
+            {
+                //ignore
+            }
+        }
+    }
+
+    private synchronized boolean terminated()
+    {
+        return this.isTerminated;
+    }
+}

ThreadPoolProject/src/TasksQueue.java

+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TasksQueue <RunnableType>
+{
+    private List<RunnableType> tasks;
+    private int maxSize;
+
+    private boolean allowInsertion;
+    public TasksQueue(int maxCap)
+    {
+        this.maxSize = maxCap;
+        tasks = new ArrayList<>();
+        allowInsertion = true;
+    }
+
+    public void addTask(RunnableType task) throws Exception
+    {
+        if (task == null)
+        {
+            throw new Exception("Task Assigned is NULL");
+        }
+        synchronized (this)
+        {
+            if (!allowInsertion) return;
+            while (this.size() == maxSize)
+            {
+                ///System.out.println("Stuck in Adding");
+                this.wait();
+            }
+            tasks.add(task);
+            this.notifyAll();
+        }
+    }
+
+    public RunnableType removeTask () throws InterruptedException
+    {
+        RunnableType task = null;
+        synchronized (this)
+        {
+            while (this.size()==0 && allowInsertion)
+            {
+                ///System.out.println("Stuck in Removing");
+                this.wait();
+            }
+            if (this.size()==0 && !allowInsertion)
+            {
+                return task;
+            }
+            task = tasks.remove(0);
+            this.notifyAll();
+        }
+        return task;
+    }
+
+    public void softFinish(long timeOut) throws InterruptedException
+    {
+            allowInsertion = false;
+            while (this.size() > 0)
+            {
+                Thread.sleep(timeOut);
+            }
+    }
+
+    private synchronized int size()
+    {
+            return tasks.size();
+    }
+}