Package com.vaadin.data.Container

Examples of com.vaadin.data.Container.Filter

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        c.addItem("child");
        c.setParent("child", "root");
        assertEquals(true, c.hasChildren("root"));

        // Dummy filter that does not remove any items
        c.addContainerFilter(new Filter() {

            @Override
            public boolean passesFilter(Object itemId, Item item)
                    throws UnsupportedOperationException {
                return true;
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                Date.class));
        Item itemLater = new PropertysetItem();
        itemLater.addItemProperty(PROPERTY1, new ObjectProperty<Date>(later,
                Date.class));

        Filter equalNow = new Equal(PROPERTY1, now);
        Assert.assertFalse(equalNow.passesFilter(null, itemEarlier));
        Assert.assertTrue(equalNow.passesFilter(null, itemNow));
        Assert.assertFalse(equalNow.passesFilter(null, itemLater));

        Filter after = new Greater(PROPERTY1, now);
        Assert.assertFalse(after.passesFilter(null, itemEarlier));
        Assert.assertFalse(after.passesFilter(null, itemNow));
        Assert.assertTrue(after.passesFilter(null, itemLater));

        Filter before = new Less(PROPERTY1, now);
        Assert.assertTrue(before.passesFilter(null, itemEarlier));
        Assert.assertFalse(before.passesFilter(null, itemNow));
        Assert.assertFalse(before.passesFilter(null, itemLater));

        Filter afterOrNow = new GreaterOrEqual(PROPERTY1, now);
        Assert.assertFalse(afterOrNow.passesFilter(null, itemEarlier));
        Assert.assertTrue(afterOrNow.passesFilter(null, itemNow));
        Assert.assertTrue(afterOrNow.passesFilter(null, itemLater));

        Filter beforeOrNow = new LessOrEqual(PROPERTY1, now);
        Assert.assertTrue(beforeOrNow.passesFilter(null, itemEarlier));
        Assert.assertTrue(beforeOrNow.passesFilter(null, itemNow));
        Assert.assertFalse(beforeOrNow.passesFilter(null, itemLater));
    }
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        Assert.assertTrue(beforeOrNow.passesFilter(null, itemNow));
        Assert.assertFalse(beforeOrNow.passesFilter(null, itemLater));
    }

    public void testCompareAppliesToProperty() {
        Filter filterA = new Equal("a", 1);
        Filter filterB = new Equal("b", 1);

        Assert.assertTrue(filterA.appliesToProperty("a"));
        Assert.assertFalse(filterA.appliesToProperty("b"));
        Assert.assertFalse(filterB.appliesToProperty("a"));
        Assert.assertTrue(filterB.appliesToProperty("b"));
    }
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        Assert.assertTrue(filterB.appliesToProperty("b"));
    }

    public void testCompareEqualsHashCode() {
        // most checks with Equal filter, then only some with others
        Filter equalNull2 = new Equal(PROPERTY1, null);
        Filter equalNullProperty2 = new Equal(PROPERTY2, null);
        Filter equalEmpty = new Equal(PROPERTY1, "");
        Filter equalEmpty2 = new Equal(PROPERTY1, "");
        Filter equalEmptyProperty2 = new Equal(PROPERTY2, "");
        Filter equalA = new Equal(PROPERTY1, "a");
        Filter equalB2 = new Equal(PROPERTY1, "b");
        Filter equalBProperty2 = new Equal(PROPERTY2, "b");

        Filter greaterEmpty = new Greater(PROPERTY1, "");

        // equals()
        Assert.assertEquals(equalNull, equalNull);
        Assert.assertEquals(equalNull, equalNull2);
        Assert.assertFalse(equalNull.equals(equalNullProperty2));
        Assert.assertFalse(equalNull.equals(equalEmpty));
        Assert.assertFalse(equalNull.equals(equalB));

        Assert.assertEquals(equalEmpty, equalEmpty);
        Assert.assertFalse(equalEmpty.equals(equalNull));
        Assert.assertEquals(equalEmpty, equalEmpty2);
        Assert.assertFalse(equalEmpty.equals(equalEmptyProperty2));
        Assert.assertFalse(equalEmpty.equals(equalB));

        Assert.assertEquals(equalB, equalB);
        Assert.assertFalse(equalB.equals(equalNull));
        Assert.assertFalse(equalB.equals(equalEmpty));
        Assert.assertEquals(equalB, equalB2);
        Assert.assertFalse(equalB.equals(equalBProperty2));
        Assert.assertFalse(equalB.equals(equalA));

        Assert.assertEquals(greaterB, greaterB);
        Assert.assertFalse(greaterB.equals(lessB));
        Assert.assertFalse(greaterB.equals(greaterEqualB));
        Assert.assertFalse(greaterB.equals(lessEqualB));

        Assert.assertFalse(greaterNull.equals(greaterEmpty));
        Assert.assertFalse(greaterNull.equals(greaterB));
        Assert.assertFalse(greaterEmpty.equals(greaterNull));
        Assert.assertFalse(greaterEmpty.equals(greaterB));
        Assert.assertFalse(greaterB.equals(greaterNull));
        Assert.assertFalse(greaterB.equals(greaterEmpty));

        // hashCode()
        Assert.assertEquals(equalNull.hashCode(), equalNull2.hashCode());
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        item2.addItemProperty("a",
                new ObjectProperty<String>("a", String.class));
        item2.addItemProperty("b", new ObjectProperty<String>(null,
                String.class));

        Filter filter1 = new IsNull("a");
        Filter filter2 = new IsNull("b");

        Assert.assertTrue(filter1.passesFilter(null, item1));
        Assert.assertFalse(filter1.passesFilter(null, item2));
        Assert.assertFalse(filter2.passesFilter(null, item1));
        Assert.assertTrue(filter2.passesFilter(null, item2));
    }
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        Assert.assertFalse(filter2.passesFilter(null, item1));
        Assert.assertTrue(filter2.passesFilter(null, item2));
    }

    public void testIsNullAppliesToProperty() {
        Filter filterA = new IsNull("a");
        Filter filterB = new IsNull("b");

        Assert.assertTrue(filterA.appliesToProperty("a"));
        Assert.assertFalse(filterA.appliesToProperty("b"));
        Assert.assertFalse(filterB.appliesToProperty("a"));
        Assert.assertTrue(filterB.appliesToProperty("b"));
    }
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        Assert.assertFalse(filterB.appliesToProperty("a"));
        Assert.assertTrue(filterB.appliesToProperty("b"));
    }

    public void testIsNullEqualsHashCode() {
        Filter filter1 = new IsNull("a");
        Filter filter1b = new IsNull("a");
        Filter filter2 = new IsNull("b");

        // equals()
        Assert.assertEquals(filter1, filter1b);
        Assert.assertFalse(filter1.equals(filter2));
        Assert.assertFalse(filter1.equals(new And()));
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                Integer.class));
        Item itemPositive = new PropertysetItem();
        itemPositive.addItemProperty(PROPERTY1, new ObjectProperty<Integer>(
                positive, Integer.class));

        Filter equalZero = new Equal(PROPERTY1, zero);
        Assert.assertFalse(equalZero.passesFilter(null, itemNegative));
        Assert.assertTrue(equalZero.passesFilter(null, itemZero));
        Assert.assertFalse(equalZero.passesFilter(null, itemPositive));

        Filter isPositive = new Greater(PROPERTY1, zero);
        Assert.assertFalse(isPositive.passesFilter(null, itemNegative));
        Assert.assertFalse(isPositive.passesFilter(null, itemZero));
        Assert.assertTrue(isPositive.passesFilter(null, itemPositive));

        Filter isNegative = new Less(PROPERTY1, zero);
        Assert.assertTrue(isNegative.passesFilter(null, itemNegative));
        Assert.assertFalse(isNegative.passesFilter(null, itemZero));
        Assert.assertFalse(isNegative.passesFilter(null, itemPositive));

        Filter isNonNegative = new GreaterOrEqual(PROPERTY1, zero);
        Assert.assertFalse(isNonNegative.passesFilter(null, itemNegative));
        Assert.assertTrue(isNonNegative.passesFilter(null, itemZero));
        Assert.assertTrue(isNonNegative.passesFilter(null, itemPositive));

        Filter isNonPositive = new LessOrEqual(PROPERTY1, zero);
        Assert.assertTrue(isNonPositive.passesFilter(null, itemNegative));
        Assert.assertTrue(isNonPositive.passesFilter(null, itemZero));
        Assert.assertFalse(isNonPositive.passesFilter(null, itemPositive));
    }
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        Item itemPositiveScaleTwo = new PropertysetItem();
        itemPositiveScaleTwo.addItemProperty(PROPERTY1,
                new ObjectProperty<BigDecimal>(positiveScaleTwo,
                        BigDecimal.class));

        Filter equalZero = new Equal(PROPERTY1, zero);
        Assert.assertFalse(equalZero.passesFilter(null, itemNegative));
        Assert.assertTrue(equalZero.passesFilter(null, itemZero));
        Assert.assertFalse(equalZero.passesFilter(null, itemPositive));

        Filter isPositive = new Greater(PROPERTY1, zero);
        Assert.assertFalse(isPositive.passesFilter(null, itemNegative));
        Assert.assertFalse(isPositive.passesFilter(null, itemZero));
        Assert.assertTrue(isPositive.passesFilter(null, itemPositive));

        Filter isNegative = new Less(PROPERTY1, zero);
        Assert.assertTrue(isNegative.passesFilter(null, itemNegative));
        Assert.assertFalse(isNegative.passesFilter(null, itemZero));
        Assert.assertFalse(isNegative.passesFilter(null, itemPositive));

        Filter isNonNegative = new GreaterOrEqual(PROPERTY1, zero);
        Assert.assertFalse(isNonNegative.passesFilter(null, itemNegative));
        Assert.assertTrue(isNonNegative.passesFilter(null, itemZero));
        Assert.assertTrue(isNonNegative.passesFilter(null, itemPositive));

        Filter isNonPositive = new LessOrEqual(PROPERTY1, zero);
        Assert.assertTrue(isNonPositive.passesFilter(null, itemNegative));
        Assert.assertTrue(isNonPositive.passesFilter(null, itemZero));
        Assert.assertFalse(isNonPositive.passesFilter(null, itemPositive));

        Filter isPositiveScaleTwo = new Equal(PROPERTY1, positiveScaleTwo);
        Assert.assertTrue(isPositiveScaleTwo.passesFilter(null,
                itemPositiveScaleTwo));
        Assert.assertTrue(isPositiveScaleTwo.passesFilter(null, itemPositive));

    }
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        Assert.assertFalse(filter2.passesFilter(null, item1));
        Assert.assertFalse(filter2.passesFilter(null, item2));
    }

    public void testThreeFilterAnd() {
        Filter filter1 = new And(new SameItemFilter(item1), new SameItemFilter(
                item1), new SameItemFilter(item1));
        Filter filter2 = new And(new SameItemFilter(item1), new SameItemFilter(
                item1), new SameItemFilter(item2));

        Assert.assertTrue(filter1.passesFilter(null, item1));
        Assert.assertFalse(filter1.passesFilter(null, item2));

        Assert.assertFalse(filter2.passesFilter(null, item1));
        Assert.assertFalse(filter2.passesFilter(null, item2));
    }
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Related Classes of com.vaadin.data.Container.Filter

  • com.vaadin.data.hbnutil.tests.HbnContainerTests
  • com.vaadin.data.util.filter.AndOrFilterTest
  • com.vaadin.data.util.filter.CompareFilterTest
  • com.vaadin.data.util.filter.IsNullFilterTest
  • com.vaadin.data.util.filter.NotFilterTest
  • com.vaadin.data.util.TestHierarchicalContainer
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