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package pt.estgp.estgweb.domain;
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import pt.estgp.estgweb.Globals;
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import pt.estgp.estgweb.utils.RoleManager;
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import pt.utl.ist.berserk.logic.serviceManager.IServiceManager;
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import pt.utl.ist.berserk.logic.serviceManager.ServiceManager;
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import java.util.List;
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import java.util.ArrayList;
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import org.apache.log4j.Logger;
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import jomm.utils.StringsUtils;
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/**
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 * @author Jorge Machado
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 * @date 28/Fev/2008
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 * @time 12:51:32
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 * @see pt.estgp.estgweb
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 */
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public class TeacherImpl extends Teacher
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{
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    public static final 1.5.0/docs/api/java/lang/String.html">String TEACHER_ROLE = Globals.TEACHER_ROLE;
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    public static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(TeacherImpl.class);
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    private List<CourseUnit> teachedUnitsView = null;
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    private List<Course> teachedCoursesView = null;
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    public TeacherImpl()
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    {
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        setScholarDegree(Globals.PROFILE_SCHOLAR_DEGREE_SUPERIOR);
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    }
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    public 1.5.0/docs/api/java/lang/String.html">String getManagedRole() {
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        return TEACHER_ROLE;
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    }
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    public List<Course> getTeachedCoursesView()
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    {
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        getTeachedUnitsView();
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        return teachedCoursesView;
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    }
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    public List<CourseUnit> getTeachedUnitsView()
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    {
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        if(teachedUnitsView == null)
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        {
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            teachedCoursesView = new ArrayList<Course>();
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            try
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            {
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                IServiceManager sm = ServiceManager.getInstance();
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                1.5.0/docs/api/java/lang/String.html">String[] names = new 1.5.0/docs/api/java/lang/String.html">String[]{"serializable"};
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                5+0%2Fdocs%2Fapi+Object">Object[] args = new 5+0%2Fdocs%2Fapi+Object">Object[]{getId()};
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                teachedUnitsView = (List<CourseUnit>) sm.execute(null, "LoadTeachedUnits", args, names);
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                if(teachedUnitsView == null)
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                    teachedUnitsView = new ArrayList<CourseUnit>();
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                for(CourseUnit c: teachedUnitsView)
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                {
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                    if(!teachedCoursesView.contains(c.getCourse()))
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                    {
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                        teachedCoursesView.add(c.getCourse());
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                    }
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                }
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            }
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            catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e)
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            {
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                logger.error(e,e);
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            }
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        }
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        return teachedUnitsView;
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    }
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    public boolean hasCourseUnit(long id)
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    {
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        return hasCourseUnit(id,false);
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    }
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    public boolean hasCourseUnit(CourseUnit courseUnit)
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    {
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        return hasCourseUnit(courseUnit.getId(),false);
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    }
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    public boolean hasCourseUnit(long id, boolean transaction)
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    {
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        List<CourseUnit> cUnits;
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        if(transaction)
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            cUnits = new ArrayList<CourseUnit>(getTeachedUnits());
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        else
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            cUnits = getTeachedUnitsView();
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        if(cUnits == null)
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            return false;
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        for(CourseUnit c: cUnits)
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        {
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            if(c.getId() == id)
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                return true;
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        }
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        return false;
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    }
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    public void removeUnitLocaly(long id)
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    {
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        setLocalRemovedTeachedUnits(StringsUtils.addElement(getLocalRemovedTeachedUnits(),"" + id,","));
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    }
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    public void addUnitLocaly(long id)
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    {
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        setLocalRemovedTeachedUnits(StringsUtils.removeElement(getLocalRemovedTeachedUnits(),"" + id,","));
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    }
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    public boolean isLocalRemovedUnit(long id)
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    {
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        return StringsUtils.hasElement(getLocalRemovedTeachedUnits(),"" + id,",");
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    }
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}