viability.LogFile.java Source code

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Here is the source code for viability.LogFile.java

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/*
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package viability;

import java.io.Serializable;
import java.sql.Timestamp;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import org.joda.time.DateTime;
import org.joda.time.Seconds;
import org.joda.time.Seconds;

/**
 * ADT for LogFile object
 * @author gregory&alessio&riccardo
 */
public class LogFile implements Serializable {

    //list of signal 
    public LinkedList<Signal> listSignal;

    /**
     * Default constructor
     */
    public LogFile() {
        listSignal = new LinkedList<Signal>();
    }

    /**
     * Insert a signal on list
     * @param signal 
     */
    public void updateLogFile(Signal signal) {
        listSignal.add(signal);
    }

    /**
     * get User's Age Average from signal on list
     * @return 
     */
    public double getAgeAverage() {
        int count = 0;
        int totage = 0;
        Signal tempsignal;
        Iterator iterator = listSignal.iterator();
        while (iterator.hasNext()) {
            tempsignal = (Signal) iterator.next();
            totage = totage + tempsignal.getAge();
            ;
            count++;
        }
        return totage / count;
    }

    /**
     * Get all signal in the last two seconds on list from statistics request DateTime
     * @param daterequest statistics request DateTime
     * @return 
     */
    public void averageSignalWeekForDistrict(DateTime daterequest, DateTime dateTimeCreationDB) {
        //WE ASSUME A WEEK = 15 MINUTES FOR DEMO
        LinkedList<String> listdistricts = getListDistrict();
        Iterator iteratorDistricts = listdistricts.iterator();
        //for each District on List
        while (iteratorDistricts.hasNext()) {
            double average = 0;
            int countDistrict = 0;
            String tempdistrict = (String) iteratorDistricts.next();
            Iterator iterator = listSignal.iterator();
            while (iterator.hasNext()) {
                Signal temp = (Signal) iterator.next();
                if (temp.getDistrict().equalsIgnoreCase(tempdistrict)) {
                    countDistrict++;
                }
            }
            //get weeks between DB creation date and statistics request date
            int seconds = Seconds.secondsBetween(dateTimeCreationDB, daterequest).getSeconds();
            double countWeeks = seconds / 15;
            //calculate average for this District
            average = countDistrict / countWeeks;
            System.out.println("Average Signal Week for District " + tempdistrict + " is " + average);
        }
    }

    /**
     * Get all signal in the last 30 seconds on list from statistics request DateTime
     * @param daterequest statistics request DateTime
     * @return 
     */
    public void averageSignalMonthForDistrict(DateTime daterequest, DateTime dateTimeCreationDB) {
        //WE ASSUME A MONTH = 120 SECONDS FOR DEMO
        LinkedList<String> listdistricts = getListDistrict();
        Iterator iteratorDistricts = listdistricts.iterator();
        //for each District on List
        while (iteratorDistricts.hasNext()) {
            double average = 0;
            int countDistrict = 0;
            String tempdistrict = (String) iteratorDistricts.next();
            Iterator iterator = listSignal.iterator();
            while (iterator.hasNext()) {
                Signal temp = (Signal) iterator.next();
                if (temp.getDistrict().equalsIgnoreCase(tempdistrict)) {
                    countDistrict++;
                }
            }
            //get weeks between DB creation date and statistics request date
            int seconds = Seconds.secondsBetween(dateTimeCreationDB, daterequest).getSeconds();
            double countWeeks = seconds / 120;
            //calculate average for this District
            average = countDistrict / countWeeks;
            System.out.println("Average Signal Month for District " + tempdistrict + " is " + average);
        }
    }

    /**
     * Get all signal in the last 30 seconds with High Priority on list from statistics request DateTime
     * @param daterequest statistics request DateTime
     * @return 
     */
    public void averageSignalMonthForDistrictHighPriority(DateTime daterequest, DateTime dateTimeCreationDB) {
        //WE ASSUME A MONTH = 120 SECONDS FOR DEMO
        LinkedList<String> listdistricts = getListDistrict();
        Iterator iteratorDistricts = listdistricts.iterator();
        //for each District on List
        while (iteratorDistricts.hasNext()) {
            double average = 0;
            int countDistrict = 0;
            String tempdistrict = (String) iteratorDistricts.next();
            Iterator iterator = listSignal.iterator();
            while (iterator.hasNext()) {
                Signal temp = (Signal) iterator.next();
                if (temp.getDistrict().equalsIgnoreCase(tempdistrict)
                        && temp.getPriority().equalsIgnoreCase("high")) {
                    countDistrict++;
                }
            }
            //get weeks between DB creation date and statistics request date
            int seconds = Seconds.secondsBetween(dateTimeCreationDB, daterequest).getSeconds();
            double countWeeks = seconds / 120;
            //calculate average for this District
            average = countDistrict / countWeeks;
            System.out.println("Average Signal Month for District " + tempdistrict + " is " + average);
        }
    }

    /**
     * Method to print Log 
     * @return string that represents list
     */
    public String printLogFile() {
        String content = "";
        Iterator iterator = listSignal.iterator();
        for (int i = 0; i < listSignal.size(); i++) {

            content = content + "ID" + i + ": At " + listSignal.get(i).getDate() + " " + listSignal.get(i).getName()
                    + " " + listSignal.get(i).getSurname() + " has done an " + listSignal.get(i).getType()
                    + " operation\n";

        }
        return content;
    }

    public LinkedList<String> getListDistrict() {
        Iterator iterator = listSignal.iterator();
        LinkedList<String> listDistricts = new LinkedList<String>();
        while (iterator.hasNext()) {
            Signal temp = (Signal) iterator.next();
            String tempDistrict = temp.getDistrict();
            if (!listDistricts.contains(tempDistrict)) {
                listDistricts.add(tempDistrict);
            }
        }
        return listDistricts;
    }

    /**
     * toString method
     * @return 
     */
    @Override
    public String toString() {
        return printLogFile();
    }

}