SimplifiedProcessStatistics.java

package pt.ist.expenditureTrackingSystem.domain.statistics;

import java.io.Serializable;
import java.util.Map;
import java.util.TreeMap;

import pt.ist.expenditureTrackingSystem.domain.ExpenditureTrackingSystem;
import pt.ist.expenditureTrackingSystem.domain.acquisitions.AcquisitionProcessStateType;
import pt.ist.expenditureTrackingSystem.domain.acquisitions.PaymentProcess;
import pt.ist.expenditureTrackingSystem.domain.acquisitions.PaymentProcessYear;
import pt.ist.expenditureTrackingSystem.domain.acquisitions.simplified.SimplifiedProcedureProcess;

public class SimplifiedProcessStatistics implements Serializable {

    private int numberOfProcesses = 0;
    private int[] numberOfProcessesByAcquisitionProcessStateType = new int[AcquisitionProcessStateType.values().length];

    public SimplifiedProcessStatistics(final PaymentProcessYear acquisitionProcessYear) {
        for (int i = 0; i < AcquisitionProcessStateType.values().length; i++) {
            numberOfProcessesByAcquisitionProcessStateType[i] = 0;
        }
        for (final PaymentProcess paymentProcess : acquisitionProcessYear.getPaymentProcessSet()) {
            if (paymentProcess.isSimplifiedProcedureProcess()) {
                final SimplifiedProcedureProcess simplifiedProcedureProcess = (SimplifiedProcedureProcess) paymentProcess;
                accountFor(simplifiedProcedureProcess);
            }
        }
    }

    private void accountFor(final SimplifiedProcedureProcess simplifiedProcedureProcess) {
        numberOfProcesses++;
        final AcquisitionProcessStateType acquisitionProcessStateType =
                simplifiedProcedureProcess.getAcquisitionProcessStateType();
        numberOfProcessesByAcquisitionProcessStateType[acquisitionProcessStateType.ordinal()]++;
    }

    public static SimplifiedProcessStatistics create(final Integer year) {
        if (year != null) {
            final int y = year.intValue();
            for (final PaymentProcessYear paymentProcessYear : ExpenditureTrackingSystem.getInstance()
                    .getPaymentProcessYearsSet()) {
                if (paymentProcessYear.getYear().intValue() == y) {
                    return create(paymentProcessYear);
                }
            }
        }
        return null;
    }

    private static SimplifiedProcessStatistics create(final PaymentProcessYear paymentProcessYear) {
        return new SimplifiedProcessStatistics(paymentProcessYear);
    }

    public int getNumberOfProcesses() {
        return numberOfProcesses;
    }

    public Map<AcquisitionProcessStateType, Integer> getNumberOfProcessesByAcquisitionProcessStateType() {
        final Map<AcquisitionProcessStateType, Integer> map = new TreeMap<AcquisitionProcessStateType, Integer>();
        for (final AcquisitionProcessStateType acquisitionProcessStateType : SimplifiedProcedureProcess
                .getAvailableStatesForSimplifiedProcedureProcess()) {
            map.put(acquisitionProcessStateType,
                    Integer.valueOf(numberOfProcessesByAcquisitionProcessStateType[acquisitionProcessStateType.ordinal()]));
        }
        return map;
    }

}