Package org.drools.planner.examples.nurserostering.domain

Examples of org.drools.planner.examples.nurserostering.domain.NurseRoster

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import org.drools.planner.examples.nurserostering.solver.move.EmployeeMultipleChangeMove;

public class ShiftAssignmentPillarPartSwapMoveFactory extends AbstractMoveFactory {

    public List<Move> createMoveList(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<Employee> employeeList = nurseRoster.getEmployeeList();
        // This code assumes the shiftAssignmentList is sorted
        List<ShiftAssignment> shiftAssignmentList = nurseRoster.getShiftAssignmentList();

        // Hash the assignments per employee
        Map<Employee, List<AssignmentSequence>> employeeToAssignmentSequenceListMap
                = new HashMap<Employee, List<AssignmentSequence>>(employeeList.size());
        int assignmentSequenceCapacity = nurseRoster.getShiftDateList().size() + 1 / 2;
        for (Employee employee : employeeList) {
            employeeToAssignmentSequenceListMap.put(employee,
                    new ArrayList<AssignmentSequence>(assignmentSequenceCapacity));
        }
        for (ShiftAssignment shiftAssignment : shiftAssignmentList) {
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import org.drools.planner.examples.nurserostering.solver.move.EmployeeChangeMove;

public class ShiftAssignmentSequenceSwitchLength2MoveFactory extends AbstractMoveFactory {

    public List<Move> createMoveList(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<Employee> employeeList = nurseRoster.getEmployeeList();
        // This code assumes the shiftAssignmentList is sorted
        List<ShiftAssignment> shiftAssignmentList = nurseRoster.getShiftAssignmentList();

        // Hash the assignments per employee
        Map<Employee, List<AssignmentSequence>> employeeToAssignmentSequenceListMap
                = new HashMap<Employee, List<AssignmentSequence>>(employeeList.size());
        int assignmentSequenceCapacity = nurseRoster.getShiftDateList().size() + 1 / 2;
        for (Employee employee : employeeList) {
            employeeToAssignmentSequenceListMap.put(employee,
                    new ArrayList<AssignmentSequence>(assignmentSequenceCapacity));
        }
        for (ShiftAssignment shiftAssignment : shiftAssignmentList) {
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        updatePanel(solution);
    }

    @Override
    public void updatePanel(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<ShiftDate> shiftDateList = nurseRoster.getShiftDateList();
        List<Shift> shiftList = nurseRoster.getShiftList();
        unassignedPanel.setShiftDateListAndShiftList(shiftDateList, shiftList);
        Set<Employee> deadEmployeeSet = new LinkedHashSet<Employee>(employeeToPanelMap.keySet());
        deadEmployeeSet.remove(null);
        for (Employee employee : nurseRoster.getEmployeeList()) {
            deadEmployeeSet.remove(employee);
            EmployeePanel employeePanel = employeeToPanelMap.get(employee);
            if (employeePanel == null) {
                employeePanel = new EmployeePanel(this, shiftDateList, shiftList, employee);
                employeeListPanel.add(employeePanel);
                employeeToPanelMap.put(employee, employeePanel);
            }
        }
        Set<ShiftAssignment> deadShiftAssignmentSet = new LinkedHashSet<ShiftAssignment>(
                shiftAssignmentToPanelMap.keySet());
        for (ShiftAssignment shiftAssignment : nurseRoster.getShiftAssignmentList()) {
            deadShiftAssignmentSet.remove(shiftAssignment);
            EmployeePanel employeePanel = shiftAssignmentToPanelMap.get(shiftAssignment);
            Employee employee = shiftAssignment.getEmployee();
            if (employeePanel != null
                    && !ObjectUtils.equals(employeePanel.getEmployee(), employee)) {
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    public void deleteEmployee(final Employee employee) {
        logger.info("Scheduling delete of employee ({}).", employee);
        solutionBusiness.doProblemFactChange(new ProblemFactChange() {
            public void doChange(ScoreDirector scoreDirector) {
                NurseRoster nurseRoster = (NurseRoster) scoreDirector.getWorkingSolution();
                // First remove the planning fact from all planning entities that use it
                for (ShiftAssignment shiftAssignment : nurseRoster.getShiftAssignmentList()) {
                    if (ObjectUtils.equals(shiftAssignment.getEmployee(), employee)) {
                        // TODO HACK we are removing it because it becomes uninitialized,
                        // which means it has to be retracted
                        // This is nonsense from a ProblemFactChange point of view, FIXME!
                        scoreDirector.beforeEntityRemoved(shiftAssignment);
                        shiftAssignment.setEmployee(null);
                        scoreDirector.afterEntityRemoved(shiftAssignment);
                    }
                }
                // Next remove it the planning fact itself
                for (Iterator<Employee> it = nurseRoster.getEmployeeList().iterator(); it.hasNext(); ) {
                    Employee workingEmployee = it.next();
                    if (ObjectUtils.equals(workingEmployee, employee)) {
                        scoreDirector.beforeProblemFactRemoved(workingEmployee);
                        it.remove(); // remove from list
                        scoreDirector.beforeProblemFactRemoved(employee);
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import org.drools.planner.examples.nurserostering.solver.move.ShiftAssignmentSwapMove;

public class ShiftAssignmentSwapMoveFactory extends CachedMoveFactory {

    public List<Move> createCachedMoveList(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<ShiftAssignment> shiftAssignmentList = nurseRoster.getShiftAssignmentList();
        List<Move> moveList = new ArrayList<Move>();
        for (ListIterator<ShiftAssignment> leftIt = shiftAssignmentList.listIterator(); leftIt.hasNext();) {
            ShiftAssignment leftShiftAssignment = leftIt.next();
            for (ListIterator<ShiftAssignment> rightIt = shiftAssignmentList.listIterator(leftIt.nextIndex()); rightIt.hasNext();) {
                ShiftAssignment rightShiftAssignment = rightIt.next();
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import org.drools.planner.examples.nurserostering.solver.move.EmployeeChangeMove;

public class EmployeeChangeMoveFactory extends CachedMoveFactory {

    public List<Move> createCachedMoveList(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<Move> moveList = new ArrayList<Move>();
        List<Employee> employeeList = nurseRoster.getEmployeeList();
        for (ShiftAssignment shiftAssignment : nurseRoster.getShiftAssignmentList()) {
            for (Employee employee : employeeList) {
                moveList.add(new EmployeeChangeMove(shiftAssignment, employee));
            }
        }
        return moveList;
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import org.drools.planner.examples.nurserostering.solver.move.EmployeeChangeMove;

public class ShiftAssignmentSequenceSwitchLength3MoveFactory extends AbstractMoveFactory {

    public List<Move> createMoveList(Solution solution) {
        NurseRoster nurseRoster = (NurseRoster) solution;
        List<Employee> employeeList = nurseRoster.getEmployeeList();
        // This code assumes the shiftAssignmentList is sorted
        List<ShiftAssignment> shiftAssignmentList = nurseRoster.getShiftAssignmentList();

        // Hash the assignments per employee
        Map<Employee, List<AssignmentSequence>> employeeToAssignmentSequenceListMap
                = new HashMap<Employee, List<AssignmentSequence>>(employeeList.size());
        int assignmentSequenceCapacity = nurseRoster.getShiftDateList().size() + 1 / 2;
        for (Employee employee : employeeList) {
            employeeToAssignmentSequenceListMap.put(employee,
                    new ArrayList<AssignmentSequence>(assignmentSequenceCapacity));
        }
        for (ShiftAssignment shiftAssignment : shiftAssignmentList) {
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        public Solution readSolution() throws IOException, JDOMException {
            // Note: javax.xml is terrible. JDom is much much easier.

            Element schedulingPeriodElement = document.getRootElement();
            assertElementName(schedulingPeriodElement, "SchedulingPeriod");
            NurseRoster nurseRoster = new NurseRoster();
            nurseRoster.setId(0L);
            nurseRoster.setCode(schedulingPeriodElement.getAttribute("ID").getValue());

            generateShiftDateList(nurseRoster,
                    schedulingPeriodElement.getChild("StartDate"),
                    schedulingPeriodElement.getChild("EndDate"));
            readSkillList(nurseRoster, schedulingPeriodElement.getChild("Skills"));
            readShiftTypeList(nurseRoster, schedulingPeriodElement.getChild("ShiftTypes"));
            generateShiftList(nurseRoster);
            readPatternList(nurseRoster, schedulingPeriodElement.getChild("Patterns"));
            readContractList(nurseRoster, schedulingPeriodElement.getChild("Contracts"));
            readEmployeeList(nurseRoster, schedulingPeriodElement.getChild("Employees"));
            readRequiredEmployeeSizes(nurseRoster, schedulingPeriodElement.getChild("CoverRequirements"));
            readDayOffRequestList(nurseRoster, schedulingPeriodElement.getChild("DayOffRequests"));
            readDayOnRequestList(nurseRoster, schedulingPeriodElement.getChild("DayOnRequests"));
            readShiftOffRequestList(nurseRoster, schedulingPeriodElement.getChild("ShiftOffRequests"));
            readShiftOnRequestList(nurseRoster, schedulingPeriodElement.getChild("ShiftOnRequests"));
            createShiftAssignmentList(nurseRoster);

            logger.info("NurseRoster {} with {} skills, {} shiftTypes, {} patterns, {} contracts, {} employees," +
                    " {} shiftDates, {} shifts and {} requests.",
                    new Object[]{nurseRoster.getCode(),
                            nurseRoster.getSkillList().size(),
                            nurseRoster.getShiftTypeList().size(),
                            nurseRoster.getPatternList().size(),
                            nurseRoster.getContractList().size(),
                            nurseRoster.getEmployeeList().size(),
                            nurseRoster.getShiftDateList().size(),
                            nurseRoster.getShiftList().size(),
                            nurseRoster.getDayOffRequestList().size() + nurseRoster.getDayOnRequestList().size()
                                    + nurseRoster.getShiftOffRequestList().size() + nurseRoster.getShiftOnRequestList().size()
                    });
            BigInteger possibleSolutionSize = BigInteger.valueOf(nurseRoster.getEmployeeList().size()).pow(
                    nurseRoster.getShiftList().size());
            String flooredPossibleSolutionSize = "10^" + (possibleSolutionSize.toString().length() - 1);
            logger.info("NurseRoster with flooredPossibleSolutionSize ({}) and possibleSolutionSize ({}).",
                    flooredPossibleSolutionSize, possibleSolutionSize);
            return nurseRoster;
        }
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    @Test
    public void switchEmployeeAndUndo() {
        LocalSearchSolverScope localSearchSolverScope = new LocalSearchSolverScope();
        localSearchSolverScope.setRuleBase(buildRuleBase());
        localSearchSolverScope.setWorkingScoreCalculator(new DefaultHardAndSoftConstraintScoreCalculator());
        NurseRoster nurseRoster = (NurseRoster) new NurseRosteringDaoImpl().readSolution(getClass().getResourceAsStream(
                "/org/drools/planner/examples/nurserostering/data/testNurseRosteringScoreRules.xml"));
        localSearchSolverScope.setWorkingSolution(nurseRoster);
        WorkingMemory workingMemory = localSearchSolverScope.getWorkingMemory();

        Score firstScore = localSearchSolverScope.calculateScoreFromWorkingMemory();
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public class NurseRosteringStartingSolutionInitializer extends AbstractStartingSolutionInitializer {

    @Override
    public boolean isSolutionInitialized(AbstractSolverScope abstractSolverScope) {
        NurseRoster nurseRoster = (NurseRoster) abstractSolverScope.getWorkingSolution();
        return nurseRoster.isInitialized();
    }
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Related Classes of org.drools.planner.examples.nurserostering.domain.NurseRoster

  • org.apache.commons.lang.builder.HashCodeBuilder
  • org.drools.planner.examples.nurserostering.domain.solver.MovableShiftAssignmentSelectionFilter
  • org.drools.planner.examples.nurserostering.persistence.NurseRosteringSolutionImporter$NurseRosteringInputBuilder
  • org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentPillarPartSwitchMoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSequenceSwitchLength2MoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSequenceSwitchLength3MoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSwitchMoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.EmployeeChangeMoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentPillarPartSwapMoveFactory
  • org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentSequenceSwitchLength2MoveFactory
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