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src/client/MainClient.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package client;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ * Hauptklasse des Clients
+ * @version 0.0.1
+ * @author eichehome
+ */
+public class MainClient {
+
+    static Socket server = null;
+    static PrintWriter pr = null;
+    static BufferedReader bf = null;
+    static InputStreamReader in = null;
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            server = new Socket("localhost", 1236);
+
+            pr = new PrintWriter(server.getOutputStream());
+            pr.println("is it working?");
+            pr.flush();
+
+            in = new InputStreamReader(server.getInputStream());
+            bf = new BufferedReader(in);
+            String str = bf.readLine();
+            System.out.println("server: " + str);
+            try {
+                System.out.println("Sleepin for 5 seconds");
+                Thread.sleep(10000);
+            } catch (InterruptedException e) {
+                System.out.println("Thread is interrupted");
+            }
+        } catch (IOException e) {
+            System.err.println("Fehler: " + e);
+        } finally {
+            if (in != null) {
+                try {
+                    in.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+            if (bf != null) {
+                try {
+                    bf.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+            if (pr != null) {
+                pr.close();
+            }
+            if (server != null) {
+                try {
+                    server.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+        }
+    }
+}

src/client/MainClient1.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package client;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ * Hauptklasse des Clients
+ * @version 0.0.1
+ * @author eichehome
+ */
+public class MainClient1 {
+
+    static Socket server = null;
+    static PrintWriter pr = null;
+    static BufferedReader bf = null;
+    static InputStreamReader in = null;
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            server = new Socket("localhost", 1236);
+
+            pr = new PrintWriter(server.getOutputStream());
+            pr.println("is it working?");
+            pr.flush();
+
+            in = new InputStreamReader(server.getInputStream());
+            bf = new BufferedReader(in);
+            String str = bf.readLine();
+            System.out.println("server: " + str);
+        } catch (IOException e) {
+            System.err.println("Fehler: " + e);
+        } finally {
+            if (in != null) {
+                try {
+                    in.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+            if (bf != null) {
+                try {
+                    bf.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+            if (pr != null) {
+                pr.close();
+            }
+            if (server != null) {
+                try {
+                    server.close();
+                } catch (IOException e) {
+                    System.err.println("Fehler: " + e);
+                }
+            }
+        }
+    }
+}

src/server/ClientMessageDistributorThread.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package server;
+
+import java.net.Socket;
+
+/**
+ *
+ * @author eichehome
+ */
+public class ClientMessageDistributorThread implements Runnable {
+
+    /**
+     * Verzeichniss der Threads, die die Clients überwachen
+     */
+    private Socket[] clientThreads = null;
+    /**
+     * Puffer der Nachrichten
+     */
+    private Object[] messages = null;
+
+    public void run() {
+
+    }
+
+    public void ClientMessageDistributorThread(Socket s) {
+
+    }
+
+    public void pushMessage(Object message) {
+        Object[] temp = new Object[messages.length + 1];
+        temp[temp.length -1] = message;
+        messages = temp;
+    }
+
+    public Object popMessage() {
+        Object[] temp = new Object[messages.length - 1];
+        Object message = messages[0];
+        for (int i = 1; i < messages.length; i++) {
+            temp[i - 1] = messages[i];
+        }
+        messages = temp;
+    }
+}

src/server/FifoPipe.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package server;
+
+/**
+ *
+ * @author eichehome
+ */
+public class FifoPipe {
+    
+    private PipeElement firstElement;
+    private PipeElement lastElement;
+    
+    public FifoPipe() {
+        
+    }
+    
+    public queuElement(Object element) {
+        
+    }
+    
+}

src/server/MainServer.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package server;
+
+import java.io.*;
+import java.net.*;
+import java.util.concurrent.ExecutionException;
+
+/**
+ * Hauptklasse des Servers
+ *
+ * @version 0.0.1
+ * @author eichehome
+ */
+public class MainServer {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            ServerSocket serverSocket = new ServerSocket(1236);
+            ClientMessageDistributorThread messageDistributor = new ClientMessageDistributorThread();
+            for (int i = 0; i < 3; i++) {
+                Socket client = serverSocket.accept();
+                System.out.println("client connected");
+                new ServerHandelClientsThread(client, messageDistributor).start();
+
+            }
+        } catch (Exception e) {
+            System.err.println("Fehler: " + e);
+        }
+    }
+
+}

src/server/PipeElement.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package server;
+
+/**
+ *
+ * @author eichehome
+ */
+public class PipeElement {
+    
+    private PipeElement naechster;
+    private Object data;
+    
+    public void setNextElement(Obj)
+    
+}

src/server/ServerHandelClientsThread.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package server;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ *
+ * @author eichehome
+ */
+public class ServerHandelClientsThread extends Thread {
+
+    private Socket clientSocket = null;
+    private ClientMessageDistributorThread messageDistributor = null;
+
+    public void run() {
+        PrintWriter pr = new PrintWriter(clientSocket.getOutputStream(), true);
+        InputStreamReader in = new InputStreamReader(clientSocket.getInputStream());
+        BufferedReader bf = new BufferedReader(in);
+    }
+
+    public ServerHandelClientsThread(Socket socket, ClientMessageDistributorThread distributor) {
+        clientSocket = socket;
+        messageDistributor = distributor;
+    }
+}

src/server/temp

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+https://sql-island.informatik.uni-kl.de
+
+SELECT * FROM BEWOHNER
+SELECT * FROM bewohner WHERE beruf = 'Metzger'
+SELECT * FROM BEWOHNER WHERE status='friedlich'
+SELECT * FROM BEWOHNER WHERE status='friedlich' AND beruf='Waffenschmied'
+SELECT * FROM BEWOHNER WHERE status='friedlich' AND beruf LIKE '%schmied'
+SELECT bewohnernr FROM BEWOHNER WHERE name='Fremder'
+SELECT gold FROM BEWOHNER WHERE name='Fremder'
+SELECT * FROM GEGENSTAND WHERE besitzer IS NULL
+#UPDATE gegenstand SET besitzer = 20 WHERE gegenstand = 'Kaffeetasse'
+UPDATE gegenstand SET besitzer = 20 WHERE besitzer IS NULL
+SELECT * FROM GEGENSTAND WHERE besitzer = 20
+SELECT * FROM BEWOHNER WHERE (beruf = 'Haendler' OR beruf = 'Kaufmann' ) AND status = 'friedlich'
+UPDATE gegenstand SET besitzer = 15 WHERE besitzer = 20 AND (gegenstand = 'Ring' OR gegenstand = 'Teekanne')
+UPDATE BEWOHNER SET name = 'Eiche Home' WHERE bewohnernr = 20
+SELECT * FROM bewohner WHERE beruf = 'Baecker' ORDER BY gold desc
+SELECT * FROM bewohner WHERE beruf = 'Pilot'
+SELECT dorf.name FROM dorf, bewohner WHERE dorf.dorfnr = bewohner.dorfnr AND bewohner.name = 'Dirty Dieter'
+SELECT bewohner.name FROM dorf,bewohner WHERE dorf.name = 'Zwiebelhausen' AND bewohner.bewohnernr = dorf.haeuptling
+#SELECT COUNT(*) FROM bewohner, dorf WHERE dorf.dorfnr = bewohner.dorfnr AND dorf.name = 'Zwiebelhausen'
+SELECT COUNT(*) FROM dorf,bewohner WHERE dorf.name = 'Zwiebelhausen' AND bewohner.dorfnr = dorf.dorfnr AND geschlecht = 'w'
+SELECT bewohner.name FROM dorf,bewohner WHERE dorf.name = 'Zwiebelhausen' AND bewohner.dorfnr = dorf.dorfnr AND geschlecht = 'w'
+#SELECT SUM(bewohner.gold) FROM bewohner, dorf WHERE dorf.dorfnr = bewohner.dorfnr AND dorf.name = 'Gurkendorf'
+SELECT SUM(gold) FROM bewohner WHERE beruf = 'Baecker' OR beruf = 'Haendler' OR beruf = 'Kaufmann'
+#SELECT beruf, SUM(bewohner.gold), AVG(bewohner.gold) FROM bewohner GROUP BY beruf ORDER BY AVG(bewohner.gold)
+SELECT status, AVG(gold) FROM bewohner GROUP BY status ORDER BY AVG(gold)