Examples of org.jfree.data.time.DateRange

org.jfree.data.time.DateRange
A range specified in terms of two java.util.Date objects. Instances of this class are immutable.


    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
        DateRange r2 = new DateRange(new Date(1000L), new Date(2000L));
        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));


        r1 = new DateRange(new Date(1111L), new Date(2000L));
        assertFalse(r1.equals(r2));
        r2 = new DateRange(new Date(1111L), new Date(2000L));
        assertTrue(r1.equals(r2));


        r1 = new DateRange(new Date(1111L), new Date(2222L));
        assertFalse(r1.equals(r2));
        r2 = new DateRange(new Date(1111L), new Date(2222L));
        assertTrue(r1.equals(r2));
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
        DateRange r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

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    /**
     * The {@link DateRange} class is immutable, so it doesn't need to
     * be cloneable.
     */
    public void testClone() {
        DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
        assertFalse(r1 instanceof Cloneable);
    }

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     * Confirm that a DateRange is immutable.
     */
    public void testImmutable() {
        Date d1 = new Date(10L);
        Date d2 = new Date(20L);
        DateRange r = new DateRange(d1, d2);
        d1.setTime(11L);
        assertEquals(new Date(10L), r.getLowerDate());
        r.getUpperDate().setTime(22L);
        assertEquals(new Date(20L), r.getUpperDate());
    }

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                         boolean notify) {
        ParamChecks.nullNotPermitted(range, "range");
        // usually the range will be a DateRange, but if it isn't do a
        // conversion...
        if (!(range instanceof DateRange)) {
            range = new DateRange(range);
        }
        super.setRange(range, turnOffAutoRange, notify);
    }

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     */
    public void setRange(Date lower, Date upper) {
        if (lower.getTime() >= upper.getTime()) {
            throw new IllegalArgumentException("Requires 'lower' < 'upper'.");
        }
        setRange(new DateRange(lower, upper));
    }

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     */
    public void setRange(double lower, double upper) {
        if (lower >= upper) {
            throw new IllegalArgumentException("Requires 'lower' < 'upper'.");
        }
        setRange(new DateRange(lower, upper));
    }

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     */
    public Date getMinimumDate() {
        Date result = null;
        Range range = getRange();
        if (range instanceof DateRange) {
            DateRange r = (DateRange) range;
            result = r.getLowerDate();
        }
        else {
            result = new Date((long) range.getLowerBound());
        }
        return result;

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        if (maxMillis <= newMinMillis) {
            Date oldMin = getMinimumDate();
            long length = maxMillis - oldMin.getTime();
            maxDate = new Date(newMinMillis + length);
        }
        setRange(new DateRange(date, maxDate), true, false);
        notifyListeners(new AxisChangeEvent(this));
    }

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     */
    public Date getMaximumDate() {
        Date result = null;
        Range range = getRange();
        if (range instanceof DateRange) {
            DateRange r = (DateRange) range;
            result = r.getUpperDate();
        }
        else {
            result = new Date((long) range.getUpperBound());
        }
        return result;

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