Example usage for java.lang Math max

List of usage examples for java.lang Math max

Introduction

In this page you can find the example usage for java.lang Math max.

Prototype

@HotSpotIntrinsicCandidate
public static double max(double a, double b) 

Source Link

Document

Returns the greater of two double values.

Usage

From source file:RoucairolCarvahloBasicVersion.java

public static void main(String[] args) throws FileNotFoundException, IOException, InterruptedException {
    //For parsing the file and storing the information
    String line;/*from   ww w.  j a  v  a 2 s .com*/
    String configurationFile = "configuration.txt";
    int lineCountInFile = 0;
    myProcessId = Integer.parseInt(args[0]);
    FileReader fileReader = new FileReader(configurationFile);
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    while ((line = bufferedReader.readLine()) != null) {
        if ((!(line.startsWith("#"))) && (!(line.isEmpty()))) {
            lineCountInFile = lineCountInFile + 1;
            String[] splitLine = line.split(" ");
            switch (lineCountInFile) {
            case 1:
                numberOfProcesses = Integer.parseInt(splitLine[0]);
                interRequestDelay = Integer.parseInt(splitLine[1]);
                csExecutionTime = Integer.parseInt(splitLine[2]);
                maxNumberOfRequest = Integer.parseInt(splitLine[3]);
                machineNames = new String[Integer.parseInt(splitLine[0])];
                portNumbers = new int[Integer.parseInt(splitLine[0])];
                break;
            default:
                machineNames[lineCountInFile - 2] = splitLine[1];
                portNumbers[lineCountInFile - 2] = Integer.parseInt(splitLine[2]);
                break;
            }
        }
    }
    //Initializing finish array
    finishFlagArray = new int[numberOfProcesses];
    //Initializing vector class
    VectorClass.initialize(numberOfProcesses);
    //Fill the arrays with zero false value
    for (int o = 0; o < numberOfProcesses; o++) {
        finishFlagArray[o] = 0;
    }
    //Initializing key array and inserting values
    keyArray = new int[numberOfProcesses];
    for (int q = 0; q < numberOfProcesses; q++) {
        if (q >= myProcessId) {
            keyArray[q] = 1;
        }
    }
    filename = filename + Integer.toString(myProcessId) + ".out";
    file = new File(filename);
    file.createNewFile();
    writer = new FileWriter(file);
    // Write clocks to file
    filenameClock = filenameClock + Integer.toString(myProcessId) + ".out";
    fileClock = new File(filenameClock);
    fileClock.createNewFile();
    //writerClock = new FileWriter(fileClock);
    fw = new FileWriter(fileClock);
    bw = new BufferedWriter(fw);
    //
    // Expo mean insert
    csExecutionExpoDelay = new ExponentialDistribution(csExecutionTime);
    interRequestExpoDelay = new ExponentialDistribution(interRequestDelay);
    //
    System.out.println("********************************************************");
    System.out.println("My process id : " + myProcessId);
    System.out.println("Number of processes : " + numberOfProcesses);
    System.out.println("Inter-request delay : " + interRequestDelay);
    System.out.println("Critical section execution time : " + csExecutionTime);
    System.out.println("Maximum number of request : " + maxNumberOfRequest);
    System.out.println(
            "My process name : " + machineNames[myProcessId] + " My port number : " + portNumbers[myProcessId]);
    for (int i = 0; i < numberOfProcesses; i++) {
        System.out.println("Process name : " + machineNames[i] + " Port number : " + portNumbers[i]);
    }
    System.out.println("********************************************************");
    for (int q = 0; q < numberOfProcesses; q++) {
        System.out.println("KeyArray" + q + " - " + keyArray[q]);
    }
    System.out.println("********************************************************");
    //For hosting server localhost
    SctpServerChannel sctpServerChannel = SctpServerChannel.open();
    InetSocketAddress serverAddr = new InetSocketAddress(portNumbers[myProcessId]);
    sctpServerChannel.bind(serverAddr);
    System.out.println("********************************************************");
    System.out.println("Local server hosted");
    System.out.println("********************************************************");
    //For creating neighbor SCTP channels
    Thread.sleep(30000);
    socketAddress = new SocketAddress[numberOfProcesses];
    sctpChannel = new SctpChannel[numberOfProcesses];
    System.out.println("********************************************************");
    System.out.println("Neighbor channels created");
    System.out.println("********************************************************");
    //Thread spanned for generating critical section request
    new Thread(new RoucairolCarvahloBasicVersion()).start();
    while (true) {
        try (SctpChannel sctpChannelFromClient = sctpServerChannel.accept()) {
            mutex.acquire();
            byteBufferFromNeighbor.clear();
            String receiveMessage;
            MessageInfo messageInfoFromNeighbor = sctpChannelFromClient.receive(byteBufferFromNeighbor, null,
                    null);
            //System.out.println("Raw Message : " + messageInfoFromNeighbor);
            receiveMessage = byteToString(byteBufferFromNeighbor, messageInfoFromNeighbor);
            System.out.println("Received Message : " + receiveMessage);
            if (receiveMessage.contains("Request")) {
                String[] parseMessage = receiveMessage.split("-");
                lamportClock = Math.max(lamportClock, Integer.parseInt(parseMessage[3])) + 1;
                //vector clock update
                String[] stringNumericalTimestamp = parseMessage[4].split(",");
                int[] numericalTimestamp = new int[stringNumericalTimestamp.length];
                for (int d = 0; d < stringNumericalTimestamp.length; d++) {
                    numericalTimestamp[d] = Integer.parseInt(stringNumericalTimestamp[d]);
                }
                VectorClass.update(myProcessId, numericalTimestamp);
                //
                int requestMade = Integer.parseInt(parseMessage[3] + parseMessage[1]);
                if (outstandingRequest == 1) {
                    if (requestMade < currentRequestBeingServed) {
                        lamportClock++;
                        //Newly inserted for vector timesatmp
                        int[] vector = VectorClass.increment(myProcessId);
                        String vectorClockConstruction = "";
                        for (int g = 0; g < vector.length; g++) {
                            if (g == 0) {
                                vectorClockConstruction = vectorClockConstruction + Integer.toString(vector[g]);
                            } else {
                                vectorClockConstruction = vectorClockConstruction + ","
                                        + Integer.toString(vector[g]);
                            }
                        }
                        //
                        keyArray[Integer.parseInt(parseMessage[1])] = 0;
                        try {
                            byteBufferToNeighbor.clear();
                            initializeChannels();
                            sctpChannel[Integer.parseInt(parseMessage[1])]
                                    .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                            String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                    + lamportClock + "-" + vectorClockConstruction;
                            System.out.println("Message sent is : " + sendMessage);
                            MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                            byteBufferToNeighbor.put(sendMessage.getBytes());
                            byteBufferToNeighbor.flip();
                            sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                    messageInfoToNeighbor);
                            totalMessageCount++;
                            sctpChannel[Integer.parseInt(parseMessage[1])].close();
                        } catch (IOException ex) {
                            Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE,
                                    null, ex);
                        }
                        //Include block for reverse request
                        lamportClock++;
                        //Newly inserted for vector timesatmp
                        int[] vector1 = VectorClass.increment(myProcessId);
                        String vectorClockConstruction1 = "";
                        for (int g = 0; g < vector1.length; g++) {
                            if (g == 0) {
                                vectorClockConstruction1 = vectorClockConstruction1
                                        + Integer.toString(vector1[g]);
                            } else {
                                vectorClockConstruction1 = vectorClockConstruction1 + ","
                                        + Integer.toString(vector1[g]);
                            }
                        }
                        //
                        try {
                            byteBufferToNeighbor.clear();
                            initializeChannels();
                            sctpChannel[Integer.parseInt(parseMessage[1])]
                                    .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                            String sendMessage = "ReverseSend from Process-" + myProcessId + "-"
                                    + currentRequestBeingServed + "-" + lamportClock + "-"
                                    + vectorClockConstruction1;
                            System.out.println("Message sent is : " + sendMessage);
                            MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                            byteBufferToNeighbor.put(sendMessage.getBytes());
                            byteBufferToNeighbor.flip();
                            sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                    messageInfoToNeighbor);
                            totalMessageCount++;
                            sctpChannel[Integer.parseInt(parseMessage[1])].close();
                        } catch (IOException ex) {
                            Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE,
                                    null, ex);
                        }
                    } else if (requestMade == currentRequestBeingServed) {
                        if (Integer.parseInt(parseMessage[1]) < myProcessId) {
                            lamportClock++;
                            //Newly inserted for vector timesatmp
                            int[] vector = VectorClass.increment(myProcessId);
                            String vectorClockConstruction = "";
                            for (int g = 0; g < vector.length; g++) {
                                if (g == 0) {
                                    vectorClockConstruction = vectorClockConstruction
                                            + Integer.toString(vector[g]);
                                } else {
                                    vectorClockConstruction = vectorClockConstruction + ","
                                            + Integer.toString(vector[g]);
                                }
                            }
                            //
                            keyArray[Integer.parseInt(parseMessage[1])] = 0;
                            try {
                                byteBufferToNeighbor.clear();
                                initializeChannels();
                                sctpChannel[Integer.parseInt(parseMessage[1])]
                                        .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                                String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                        + lamportClock + "-" + vectorClockConstruction;
                                System.out.println("Message sent is : " + sendMessage);
                                MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                                byteBufferToNeighbor.put(sendMessage.getBytes());
                                byteBufferToNeighbor.flip();
                                sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                        messageInfoToNeighbor);
                                totalMessageCount++;
                                sctpChannel[Integer.parseInt(parseMessage[1])].close();
                            } catch (IOException ex) {
                                Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName())
                                        .log(Level.SEVERE, null, ex);
                            }
                            //Include block for reverse request
                            lamportClock++;
                            //Newly inserted for vector timesatmp
                            int[] vector1 = VectorClass.increment(myProcessId);
                            String vectorClockConstruction1 = "";
                            for (int g = 0; g < vector1.length; g++) {
                                if (g == 0) {
                                    vectorClockConstruction1 = vectorClockConstruction1
                                            + Integer.toString(vector1[g]);
                                } else {
                                    vectorClockConstruction1 = vectorClockConstruction1 + ","
                                            + Integer.toString(vector1[g]);
                                }
                            }
                            //
                            try {
                                byteBufferToNeighbor.clear();
                                initializeChannels();
                                sctpChannel[Integer.parseInt(parseMessage[1])]
                                        .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                                String sendMessage = "ReverseSend from Process-" + myProcessId + "-"
                                        + currentRequestBeingServed + "-" + lamportClock + "-"
                                        + vectorClockConstruction1;
                                System.out.println("Message sent is : " + sendMessage);
                                MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                                byteBufferToNeighbor.put(sendMessage.getBytes());
                                byteBufferToNeighbor.flip();
                                sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                        messageInfoToNeighbor);
                                totalMessageCount++;
                                sctpChannel[Integer.parseInt(parseMessage[1])].close();
                            } catch (IOException ex) {
                                Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName())
                                        .log(Level.SEVERE, null, ex);
                            }
                        } else if (myProcessId < Integer.parseInt(parseMessage[1])) {
                            queue.add(requestMade);
                        }
                    } else if (requestMade > currentRequestBeingServed) {
                        queue.add(requestMade);
                    }
                } else if (outstandingRequest == 0) {
                    lamportClock++;
                    //Newly inserted for vector timesatmp
                    int[] vector = VectorClass.increment(myProcessId);
                    String vectorClockConstruction = "";
                    for (int g = 0; g < vector.length; g++) {
                        if (g == 0) {
                            vectorClockConstruction = vectorClockConstruction + Integer.toString(vector[g]);
                        } else {
                            vectorClockConstruction = vectorClockConstruction + ","
                                    + Integer.toString(vector[g]);
                        }
                    }
                    //
                    keyArray[Integer.parseInt(parseMessage[1])] = 0;
                    try {
                        byteBufferToNeighbor.clear();
                        initializeChannels();
                        sctpChannel[Integer.parseInt(parseMessage[1])]
                                .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                        String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                + lamportClock + "-" + vectorClockConstruction;
                        System.out.println("Message sent is : " + sendMessage);
                        MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                        byteBufferToNeighbor.put(sendMessage.getBytes());
                        byteBufferToNeighbor.flip();
                        sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                messageInfoToNeighbor);
                        totalMessageCount++;
                        sctpChannel[Integer.parseInt(parseMessage[1])].close();
                    } catch (IOException ex) {
                        Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE, null,
                                ex);
                    }
                }
            } else if (receiveMessage.contains("Key")) {
                //receive check condition execute critical section block
                String[] parseMessage = receiveMessage.split("-");
                lamportClock = Math.max(lamportClock, Integer.parseInt(parseMessage[3])) + 1;
                //vector clock update
                String[] stringNumericalTimestamp = parseMessage[4].split(",");
                int[] numericalTimestamp = new int[stringNumericalTimestamp.length];
                for (int d = 0; d < stringNumericalTimestamp.length; d++) {
                    numericalTimestamp[d] = Integer.parseInt(stringNumericalTimestamp[d]);
                }
                VectorClass.update(myProcessId, numericalTimestamp);
                //
                keyArray[Integer.parseInt(parseMessage[1])] = 1;
                int countOnes = 0;
                for (int y = 0; y < numberOfProcesses; y++) {
                    if (keyArray[y] == 1) {
                        countOnes = countOnes + 1;
                    }
                }
                if (countOnes == numberOfProcesses) {
                    outstandingRequest = 0;
                    currentRequestBeingServed = 0;
                    enterCriticalSectionExecution();
                    timestamp2 = new Timestamp(System.currentTimeMillis());
                    csExit();
                }
            } else if (receiveMessage.contains("ReverseSend")) {
                String[] parseMessage = receiveMessage.split("-");
                lamportClock = Math.max(lamportClock, Integer.parseInt(parseMessage[3])) + 1;
                //vector clock update
                String[] stringNumericalTimestamp = parseMessage[4].split(",");
                int[] numericalTimestamp = new int[stringNumericalTimestamp.length];
                for (int d = 0; d < stringNumericalTimestamp.length; d++) {
                    numericalTimestamp[d] = Integer.parseInt(stringNumericalTimestamp[d]);
                }
                VectorClass.update(myProcessId, numericalTimestamp);
                //
                int requestMade = Integer.parseInt(parseMessage[2]);
                if (outstandingRequest == 1) {
                    if (requestMade < currentRequestBeingServed) {
                        lamportClock++;
                        //Newly inserted for vector timesatmp
                        int[] vector = VectorClass.increment(myProcessId);
                        String vectorClockConstruction = "";
                        for (int g = 0; g < vector.length; g++) {
                            if (g == 0) {
                                vectorClockConstruction = vectorClockConstruction + Integer.toString(vector[g]);
                            } else {
                                vectorClockConstruction = vectorClockConstruction + ","
                                        + Integer.toString(vector[g]);
                            }
                        }
                        //
                        keyArray[Integer.parseInt(parseMessage[1])] = 0;
                        try {
                            byteBufferToNeighbor.clear();
                            initializeChannels();
                            sctpChannel[Integer.parseInt(parseMessage[1])]
                                    .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                            String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                    + lamportClock + "-" + vectorClockConstruction;
                            System.out.println("Message sent is : " + sendMessage);
                            MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                            byteBufferToNeighbor.put(sendMessage.getBytes());
                            byteBufferToNeighbor.flip();
                            sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                    messageInfoToNeighbor);
                            totalMessageCount++;
                            sctpChannel[Integer.parseInt(parseMessage[1])].close();
                        } catch (IOException ex) {
                            Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE,
                                    null, ex);
                        }
                        //Include block for reverse request
                        lamportClock++;
                        //Newly inserted for vector timesatmp
                        int[] vector1 = VectorClass.increment(myProcessId);
                        String vectorClockConstruction1 = "";
                        for (int g = 0; g < vector1.length; g++) {
                            if (g == 0) {
                                vectorClockConstruction1 = vectorClockConstruction1
                                        + Integer.toString(vector1[g]);
                            } else {
                                vectorClockConstruction1 = vectorClockConstruction1 + ","
                                        + Integer.toString(vector1[g]);
                            }
                        }
                        //
                        try {
                            byteBufferToNeighbor.clear();
                            initializeChannels();
                            sctpChannel[Integer.parseInt(parseMessage[1])]
                                    .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                            String sendMessage = "ReverseSend from Process-" + myProcessId + "-"
                                    + currentRequestBeingServed + "-" + lamportClock + "-"
                                    + vectorClockConstruction1;
                            System.out.println("Message sent is : " + sendMessage);
                            MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                            byteBufferToNeighbor.put(sendMessage.getBytes());
                            byteBufferToNeighbor.flip();
                            sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                    messageInfoToNeighbor);
                            totalMessageCount++;
                            sctpChannel[Integer.parseInt(parseMessage[1])].close();
                        } catch (IOException ex) {
                            Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE,
                                    null, ex);
                        }
                    } else if (requestMade == currentRequestBeingServed) {
                        if (Integer.parseInt(parseMessage[1]) < myProcessId) {
                            lamportClock++;
                            //Newly inserted for vector timesatmp
                            int[] vector = VectorClass.increment(myProcessId);
                            String vectorClockConstruction = "";
                            for (int g = 0; g < vector.length; g++) {
                                if (g == 0) {
                                    vectorClockConstruction = vectorClockConstruction
                                            + Integer.toString(vector[g]);
                                } else {
                                    vectorClockConstruction = vectorClockConstruction + ","
                                            + Integer.toString(vector[g]);
                                }
                            }
                            //
                            keyArray[Integer.parseInt(parseMessage[1])] = 0;
                            try {
                                byteBufferToNeighbor.clear();
                                initializeChannels();
                                sctpChannel[Integer.parseInt(parseMessage[1])]
                                        .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                                String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                        + lamportClock + "-" + vectorClockConstruction;
                                System.out.println("Message sent is : " + sendMessage);
                                MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                                byteBufferToNeighbor.put(sendMessage.getBytes());
                                byteBufferToNeighbor.flip();
                                sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                        messageInfoToNeighbor);
                                totalMessageCount++;
                                sctpChannel[Integer.parseInt(parseMessage[1])].close();
                            } catch (IOException ex) {
                                Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName())
                                        .log(Level.SEVERE, null, ex);
                            }
                            //Include block for reverse request
                            lamportClock++;
                            //Newly inserted for vector timesatmp
                            int[] vector1 = VectorClass.increment(myProcessId);
                            String vectorClockConstruction1 = "";
                            for (int g = 0; g < vector1.length; g++) {
                                if (g == 0) {
                                    vectorClockConstruction1 = vectorClockConstruction1
                                            + Integer.toString(vector1[g]);
                                } else {
                                    vectorClockConstruction1 = vectorClockConstruction1 + ","
                                            + Integer.toString(vector1[g]);
                                }
                            }
                            //
                            try {
                                byteBufferToNeighbor.clear();
                                initializeChannels();
                                sctpChannel[Integer.parseInt(parseMessage[1])]
                                        .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                                String sendMessage = "ReverseSend from Process-" + myProcessId + "-"
                                        + currentRequestBeingServed + "-" + lamportClock + "-"
                                        + vectorClockConstruction1;
                                System.out.println("Message sent is : " + sendMessage);
                                MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                                byteBufferToNeighbor.put(sendMessage.getBytes());
                                byteBufferToNeighbor.flip();
                                sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                        messageInfoToNeighbor);
                                totalMessageCount++;
                                sctpChannel[Integer.parseInt(parseMessage[1])].close();
                            } catch (IOException ex) {
                                Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName())
                                        .log(Level.SEVERE, null, ex);
                            }
                        } else if (myProcessId < Integer.parseInt(parseMessage[1])) {
                            queue.add(requestMade);
                        }
                    } else if (requestMade > currentRequestBeingServed) {
                        queue.add(requestMade);
                    }
                } else if (outstandingRequest == 0) {
                    lamportClock++;
                    //Newly inserted for vector timesatmp
                    int[] vector = VectorClass.increment(myProcessId);
                    String vectorClockConstruction = "";
                    for (int g = 0; g < vector.length; g++) {
                        if (g == 0) {
                            vectorClockConstruction = vectorClockConstruction + Integer.toString(vector[g]);
                        } else {
                            vectorClockConstruction = vectorClockConstruction + ","
                                    + Integer.toString(vector[g]);
                        }
                    }
                    //
                    keyArray[Integer.parseInt(parseMessage[1])] = 0;
                    try {
                        byteBufferToNeighbor.clear();
                        initializeChannels();
                        sctpChannel[Integer.parseInt(parseMessage[1])]
                                .connect(socketAddress[Integer.parseInt(parseMessage[1])]);
                        String sendMessage = "Key from Process-" + myProcessId + "-" + requestMade + "-"
                                + lamportClock + "-" + vectorClockConstruction;
                        System.out.println("Message sent is : " + sendMessage);
                        MessageInfo messageInfoToNeighbor = MessageInfo.createOutgoing(null, 0);
                        byteBufferToNeighbor.put(sendMessage.getBytes());
                        byteBufferToNeighbor.flip();
                        sctpChannel[Integer.parseInt(parseMessage[1])].send(byteBufferToNeighbor,
                                messageInfoToNeighbor);
                        totalMessageCount++;
                        sctpChannel[Integer.parseInt(parseMessage[1])].close();
                    } catch (IOException ex) {
                        Logger.getLogger(RoucairolCarvahloBasicVersion.class.getName()).log(Level.SEVERE, null,
                                ex);
                    }
                }
            } else if (receiveMessage.contains("Finish")) {
                String[] parseMessage = receiveMessage.split("-");
                lamportClock = Math.max(lamportClock, Integer.parseInt(parseMessage[3])) + 1;
                //vector clock update
                String[] stringNumericalTimestamp = parseMessage[4].split(",");
                int[] numericalTimestamp = new int[stringNumericalTimestamp.length];
                for (int d = 0; d < stringNumericalTimestamp.length; d++) {
                    numericalTimestamp[d] = Integer.parseInt(stringNumericalTimestamp[d]);
                }
                VectorClass.update(myProcessId, numericalTimestamp);
                //
                finishFlagArray[Integer.parseInt(parseMessage[1])] = 1;
                int count = 0;
                for (int v = 0; v < numberOfProcesses; v++) {
                    if (finishFlagArray[v] == 1) {
                        count = count + 1;
                    }
                }
                if (count == numberOfProcesses) {
                    break;
                }
            }
        }
        mutex.release();
    }
}

From source file:Main.java

public static <T> List<T> safeSubList(List<T> list, int fromIndex, int toIndex) {
    int size = list.size();
    if (fromIndex >= size || toIndex <= 0 || fromIndex >= toIndex) {
        return Collections.emptyList();
    }// w  w  w .  ja va2  s .c  o  m

    fromIndex = Math.max(0, fromIndex);
    toIndex = Math.min(size, toIndex);

    return list.subList(fromIndex, toIndex);
}

From source file:Main.java

/**
 * Get scale for image of size and max height/width
 * //from   w w  w.  ja  v  a 2 s. com
 * @param size
 * @param width
 * @param height
 * @return scale
 */
public static int getScale(Point size, int width, int height) {
    if (size.x > width || size.y > height)
        return Math.max(Math.round((float) size.y / (float) height),
                Math.round((float) size.x / (float) width));
    else
        return 1;
}

From source file:Main.java

public static int getPrimaryDarkColor(int color) {
    double tran = 0.8;
    int a = Color.alpha(color);
    int r = Color.red(color);
    int g = Color.green(color);
    int b = Color.blue(color);
    return Color.argb(a, Math.max((int) (r * tran), 0), Math.max((int) (g * tran), 0),
            Math.max((int) (b * tran), 0));
}

From source file:Main.java

/**
 * Calculates the angle A given length a and circle radius r, according to
 * the law of sines ([a/sin(A) = 2R], thus [A = arcsin(a/2r)])
 * //from  ww  w.j a va 2 s .c o m
 * @param a
 * @param r
 * @return angle A in radians
 */
public static float calcAngleClamp(float a, float r) {
    return (float) Math.asin(Math.min(1, Math.max(-1, a / (2 * r))));
}

From source file:Main.java

/**
 *
 * @param <T>/*from   ww  w. ja  v a2s  .  co  m*/
 * @param list
 * @param fromIndex
 * @param toIndex
 * @return
 */
public static <T> List<T> subList(List<T> list, int fromIndex, int toIndex) {
    List<T> subList = new Vector<T>(toIndex - fromIndex);
    for (int i = Math.max(0, fromIndex); ((i < toIndex) && (i < list.size())); i++) {
        T obj = list.get(i);
        subList.add(obj);
    }
    return subList;
}

From source file:Main.java

public static String wrap(String in, final int len) {
    in = in.trim();/*from   w  w w.  ja  v a  2 s.  co m*/
    if (in.length() < len)
        return in;
    if (in.substring(0, len).contains("\n"))
        return in.substring(0, in.indexOf("\n")).trim() + "\n\n"
                + wrap(in.substring(in.indexOf("\n") + 1), len);
    int place = Math.max(Math.max(in.lastIndexOf(" ", len), in.lastIndexOf("\t", len)),
            in.lastIndexOf("-", len));
    return in.substring(0, place).trim() + "\n" + wrap(in.substring(place), len);
}

From source file:Main.java

/**
 * Ensures that a filename always ends with the file name extension
 * @param name//from w w  w .ja v  a2 s. c o  m
 * @return
 */
public static String getFileNameWithExtension(String name, String fileNameExtension) {
    int len = fileNameExtension.length();
    String substr = name.substring(Math.max(0, name.length() - len));
    if (!substr.equals(fileNameExtension)) {
        name = name + fileNameExtension;
    }
    return name;
}

From source file:Main.java

static Bitmap resizeBitmap(Bitmap bitmap, int maximumDimension, boolean scaleUpIfSmaller) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float newScale;

    if (Math.max(width, height) <= maximumDimension && !scaleUpIfSmaller) {
        return bitmap;
    }/*from   w w w  . j  ava  2s .c  o m*/

    if (width > height) {
        newScale = (float) maximumDimension / (float) width;
    } else {
        newScale = (float) maximumDimension / (float) height;
    }

    Matrix matrix = new Matrix();
    matrix.postScale(newScale, newScale);

    return Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
}

From source file:Main.java

/**
 * whether the value in the all-close range [minValue, MaxValue].
 * /* w w  w.j a va 2 s  . c o m*/
 * @param minValue
 * @param MaxValue
 * @param value
 * @return
 */
public static boolean isInRange(int minValue, int MaxValue, int value) {
    boolean inRange = false;
    int min = Math.min(minValue, MaxValue);
    int max = Math.max(minValue, MaxValue);
    if (value >= min && (value <= max)) {
        inRange = true;
    }
    return inRange;
}