Package org.jfree.data.gantt

Examples of org.jfree.data.gantt.Task

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        Task t1 = new Task("T", new Date(1), new Date(2));
        Task t2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(t1);
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    /**
     * Check the getSubTaskCount() method.
     */
    public void testGetSubTaskCount() {
        Task t1 = new Task("T", new Date(100), new Date(200));
        assertEquals(0, t1.getSubtaskCount());
        t1.addSubtask(new Task("S1", new Date(100), new Date(110)));
        assertEquals(1, t1.getSubtaskCount());
        Task s2 = new Task("S2", new Date(111), new Date(120));
        t1.addSubtask(s2);
        assertEquals(2, t1.getSubtaskCount());
        t1.addSubtask(new Task("S3", new Date(121), new Date(130)));
        assertEquals(3, t1.getSubtaskCount());
        t1.removeSubtask(s2);
        assertEquals(2, t1.getSubtaskCount());
    }
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    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        TaskSeries s1 = new TaskSeries("Series");
        s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
        s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
        s1.add(new Task("Task 3", new Date(20L), new Date(21L)));
        TaskSeriesCollection u1 = new TaskSeriesCollection();
        u1.add(s1);
        SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                u1, 0, 5);
        TaskSeries s2 = new TaskSeries("Series");
        s2.add(new Task("Task 1", new Date(0L), new Date(1L)));
        s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
        s2.add(new Task("Task 3", new Date(20L), new Date(21L)));
        TaskSeriesCollection u2 = new TaskSeriesCollection();
        u2.add(s2);
        SlidingGanttCategoryDataset d2 = new SlidingGanttCategoryDataset(
                u2, 0, 5);
        assertTrue(d1.equals(d2));

        d1.setFirstCategoryIndex(1);
        assertFalse(d1.equals(d2));
        d2.setFirstCategoryIndex(1);
        assertTrue(d1.equals(d2));

        d1.setMaximumCategoryCount(99);
        assertFalse(d1.equals(d2));
        d2.setMaximumCategoryCount(99);
        assertTrue(d1.equals(d2));

        s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertFalse(d1.equals(d2));
        s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertTrue(d1.equals(d2));
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        TaskSeries s1 = new TaskSeries("Series");
        s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
        TaskSeriesCollection u1 = new TaskSeriesCollection();
        u1.add(s1);
        SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                u1, 0, 5);
        SlidingGanttCategoryDataset d2 = null;
        try {
            d2 = (SlidingGanttCategoryDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        // basic check for independence
        s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertFalse(d1.equals(d2));
        TaskSeriesCollection u2
                = (TaskSeriesCollection) d2.getUnderlyingDataset();
        TaskSeries s2 = u2.getSeries("Series");
        s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertTrue(d1.equals(d2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        TaskSeries s1 = new TaskSeries("Series");
        s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
        TaskSeriesCollection u1 = new TaskSeriesCollection();
        u1.add(s1);
        SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                u1, 0, 5);
        SlidingGanttCategoryDataset d2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(d1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            d2 = (SlidingGanttCategoryDataset) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(d1, d2);

        // basic check for independence
        s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertFalse(d1.equals(d2));
        TaskSeriesCollection u2
                = (TaskSeriesCollection) d2.getUnderlyingDataset();
        TaskSeries s2 = u2.getSeries("Series");
        s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
        assertTrue(d1.equals(d2));
    }
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     * @return A sample collection.
     */
    private TaskSeriesCollection createCollection1() {
        TaskSeriesCollection result = new TaskSeriesCollection();
        TaskSeries s1 = new TaskSeries("S1");
        s1.add(new Task("Task 1", new Date(1), new Date(2)));
        s1.add(new Task("Task 2", new Date(3), new Date(4)));
        result.add(s1);
        TaskSeries s2 = new TaskSeries("S2");
        s2.add(new Task("Task 3", new Date(5), new Date(6)));
        result.add(s2);
        return result;
    }
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     * @return A sample collection.
     */
    private TaskSeriesCollection createCollection2() {
        TaskSeriesCollection result = new TaskSeriesCollection();
        TaskSeries s1 = new TaskSeries("S1");
        Task t1 = new Task("Task 1", new Date(10), new Date(20));
        t1.addSubtask(new Task("Task 1A", new Date(10), new Date(15)));
        t1.addSubtask(new Task("Task 1B", new Date(16), new Date(20)));
        t1.setPercentComplete(0.10);
        s1.add(t1);
        Task t2 = new Task("Task 2", new Date(30), new Date(40));
        t2.addSubtask(new Task("Task 2A", new Date(30), new Date(35)));
        t2.addSubtask(new Task("Task 2B", new Date(36), new Date(40)));
        t2.setPercentComplete(0.20);
        s1.add(t2);
        result.add(s1);
        TaskSeries s2 = new TaskSeries("S2");
        Task t3 = new Task("Task 3", new Date(50), new Date(60));
        t3.addSubtask(new Task("Task 3A", new Date(50), new Date(55)));
        t3.addSubtask(new Task("Task 3B", new Date(56), new Date(60)));
        t3.setPercentComplete(0.30);
        s2.add(t3);
        result.add(s2);
        return result;
    }
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     * @return A sample collection.
     */
    private TaskSeriesCollection createCollection3() {

        // define subtasks
        Task sub1 = new Task("Sub1", new Date(11), new Date(111));
        Task sub2 = new Task("Sub2", new Date(22), new Date(222));
        Task sub3 = new Task("Sub3", new Date(33), new Date(333));
        Task sub4 = new Task("Sub4", new Date(44), new Date(444));
        Task sub5 = new Task("Sub5", new Date(55), new Date(555));
        Task sub6 = new Task("Sub6", new Date(66), new Date(666));
        sub1.setPercentComplete(0.111);
        sub2.setPercentComplete(0.222);
        sub3.setPercentComplete(0.333);
        sub4.setPercentComplete(0.444);
        sub5.setPercentComplete(0.555);
        sub6.setPercentComplete(0.666);

        TaskSeries seriesA = new TaskSeries("Series A");
        Task taskA1 = new Task("Task 1", new SimpleTimePeriod(new Date(100),
                new Date(200)));
        taskA1.setPercentComplete(0.1);
        taskA1.addSubtask(sub1);
        Task taskA2 = new Task("Task 2", new SimpleTimePeriod(new Date(220),
                new Date(350)));
        taskA2.setPercentComplete(0.2);
        taskA2.addSubtask(sub2);
        taskA2.addSubtask(sub3);
        seriesA.add(taskA1);
        seriesA.add(taskA2);

        TaskSeries seriesB = new TaskSeries("Series B");
        // note that we don't define taskB1
        Task taskB2 = new Task("Task 2", new SimpleTimePeriod(new Date(2220),
                new Date(3350)));
        taskB2.setPercentComplete(0.3);
        taskB2.addSubtask(sub4);
        taskB2.addSubtask(sub5);
        taskB2.addSubtask(sub6);
        seriesB.add(taskB2);

        TaskSeriesCollection tsc = new TaskSeriesCollection();
        tsc.add(seriesA);
        tsc.add(seriesB);
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     * A check for a null task duration.
     */
    public void testGetStartValue3() {
        TaskSeriesCollection c = new TaskSeriesCollection();
        TaskSeries s = new TaskSeries("Series 1");
        s.add(new Task("Task with null duration", null));
        c.add(s);
        Number millis = c.getStartValue("Series 1", "Task with null duration");
        assertTrue(millis == null);
    }
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     * A check for a null task duration.
     */
    public void testGetEndValue3() {
        TaskSeriesCollection c = new TaskSeriesCollection();
        TaskSeries s = new TaskSeries("Series 1");
        s.add(new Task("Task with null duration", null));
        c.add(s);
        Number millis = c.getEndValue("Series 1", "Task with null duration");
        assertTrue(millis == null);
    }
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