@Named
@ViewScoped
public class SheetDynamicController implements Serializable {

    private static final long serialVersionUID = 20120224L;

    private List<DynaSheetRow> sheetRows = new ArrayList<>();
    private List<DynaSheetRow> filteredSheetRows = new ArrayList<>();
    private List<Integer> hoursOfDay = new ArrayList<>();

    public SheetDynamicController() {
        addRows(24);
    }

    private void addRows(final int count) {
        for (int i = 0; i < count; i++) {
            final DynaSheetRow row = new DynaSheetRow();
            row.setId(RandomUtils.nextLong());
            row.setReadOnly(false);
            final Integer hourOfDay = Integer.valueOf(i);
            hoursOfDay.add(hourOfDay);
            for (int j = 0; j < count; j++) {
                row.getCells().add(DynaSheetCell.create(Integer.valueOf(j), RandomUtils.nextInt(1, 1000)));
            }
            getSheetRows().add(row);
        }
    }

    public List<DynaSheetRow> getSheetRows() {
        return sheetRows;
    }

    public void setSheetRows(final List<DynaSheetRow> sheetRows) {
        this.sheetRows = sheetRows;
    }

    public List<Integer> getHoursOfDay() {
        return hoursOfDay;
    }

    public void setHoursOfDay(final List<Integer> hoursOfDay) {
        this.hoursOfDay = hoursOfDay;
    }

    public List<DynaSheetRow> getFilteredSheetRows() {
        return filteredSheetRows;
    }

    public void setFilteredSheetRows(final List<DynaSheetRow> filteredSheetRows) {
        this.filteredSheetRows = filteredSheetRows;
    }

}
            

public class DynaSheetRow implements Serializable {

    private static final long serialVersionUID = 1L;

    private Long id;
    private List<DynaSheetCell> cells = new ArrayList<>();
    private boolean readOnly;

    /**
     * Gets the {@link #id}.
     *
     * @return Returns the {@link #id}.
     */
    public Long getId() {
        return id;
    }

    /**
     * Sets the {@link #id}.
     *
     * @param id The {@link #id} to set.
     */
    public void setId(final Long id) {
        this.id = id;
    }

    /**
     * Gets the {@link #cells}.
     *
     * @return Returns the {@link #cells}.
     */
    public List<DynaSheetCell> getCells() {
        return cells;
    }

    /**
     * Sets the {@link #cells}.
     *
     * @param cells The {@link #cells} to set.
     */
    public void setCells(final List<DynaSheetCell> cells) {
        this.cells = cells;
    }

    /**
     * Gets the {@link #readOnly}.
     *
     * @return Returns the {@link #readOnly}.
     */
    public boolean isReadOnly() {
        return readOnly;
    }

    /**
     * Sets the {@link #readOnly}.
     *
     * @param readOnly The {@link #readOnly} to set.
     */
    public void setReadOnly(final boolean readOnly) {
        this.readOnly = readOnly;
    }

}
            

public class DynaSheetCell implements Comparable<DynaSheetCell>, Serializable {

    private static final long serialVersionUID = 1L;

    private Integer value;
    private String style;
    private Integer hourOfDay;

    public static DynaSheetCell create(final Integer hourOfDay, final Integer value) {
        final DynaSheetCell cell = new DynaSheetCell();
        cell.setHourOfDay(hourOfDay);
        cell.setValue(value);
        cell.setStyle(StringUtils.EMPTY);
        if (hourOfDay == 2) {
            cell.setStyle("cell-blue");
        }
        if (hourOfDay == 3) {
            cell.setStyle("cell-orange");
        }
        return cell;
    }

    /**
     * Gets the {@link #hourOfDay}.
     *
     * @return Returns the {@link #hourOfDay}.
     */
    public Integer getHourOfDay() {
        return hourOfDay;
    }

    /**
     * Sets the {@link #hourOfDay}.
     *
     * @param hourOfDay The {@link #hourOfDay} to set.
     */
    public void setHourOfDay(final Integer hourOfDay) {
        this.hourOfDay = hourOfDay;
    }

    /**
     * Gets the {@link #value}.
     *
     * @return Returns the {@link #value}.
     */
    public Integer getValue() {
        return value;
    }

    /**
     * Sets the {@link #value}.
     *
     * @param value The {@link #value} to set.
     */
    public void setValue(final Integer value) {
        this.value = value;
    }

    /**
     * Gets the {@link #style}.
     *
     * @return Returns the {@link #style}.
     */
    public String getStyle() {
        return style;
    }

    /**
     * Sets the {@link #style}.
     *
     * @param style The {@link #style} to set.
     */
    public void setStyle(final String style) {
        this.style = style;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int compareTo(final DynaSheetCell other) {
        return new CompareToBuilder().append(value, other.value).toComparison();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean equals(final Object other) {
        if (!(other instanceof DynaSheetCell)) {
            return false;
        }
        final DynaSheetCell castOther = (DynaSheetCell) other;
        return new EqualsBuilder().append(getValue(), castOther.getValue())
                    .append(getHourOfDay(), castOther.getHourOfDay()).isEquals();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(getValue()).append(getHourOfDay())
                    .toHashCode();
    }

}