Java Property.getValue方法代码示例

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
public void loopAllEntitiesAndProperties() throws IOException {
    NullOutputStream nullOutputStream = new NullOutputStream();
    List<Person> listOfPersons = Service.getListOfPersons(100 * 1000);
    long currentTimeMillis = System.currentTimeMillis();
    ListContainer<Person> listContainer = new ListContainer<>(
            listOfPersons);
    Collection<?> ids = listContainer.getContainerPropertyIds();
    for (int i = 0; i < listContainer.size(); i++) {
        Item item = listContainer.getItem(listOfPersons.get(i));
        for (Object propertyId : ids) {
            Property itemProperty = item.getItemProperty(propertyId);
            final Object value = itemProperty.getValue();
            nullOutputStream.write(value.toString().getBytes());
            LOG.log(Level.FINEST, "Property: %s", value);
        }
    }
    LOG.
            log(Level.INFO,
                    "Looping all properties in 100 000 Items took {0}ms",
                    (System.currentTimeMillis() - currentTimeMillis));
}
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
public void loopAllEntitiesAndPropertiesWithBeanItemContainer() throws IOException {
    NullOutputStream nullOutputStream = new NullOutputStream();

    List<Person> listOfPersons = Service.getListOfPersons(100 * 1000);
    long currentTimeMillis = System.currentTimeMillis();
    BeanItemContainer<Person> c = new BeanItemContainer<>(
            Person.class, listOfPersons);
    Collection<?> ids = c.getContainerPropertyIds();
    for (int i = 0; i < c.size(); i++) {
        Item item = c.getItem(listOfPersons.get(i));
        for (Object propertyId : ids) {
            Property itemProperty = item.getItemProperty(propertyId);
            final Object value = itemProperty.getValue();
            nullOutputStream.write(value.toString().getBytes());
            LOG.log(Level.FINEST, "Property: %s", value);
        }
    }
    // ~ 350ms in 1.34, MacBook Pro (Retina, Mid 2012) 2.3Gz i7
    // ~ + 3-10ms in 1.35, when changing ListContainer to use PropertyUtils instead of WrapDynaBean
    LOG.
            log(Level.INFO,
                    "BIC from core: Looping all properties in 100 000 Items took {0}ms",
                    (System.currentTimeMillis() - currentTimeMillis));
}
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
@Override
public void setPropertyDataSource(Property newDataSource)
{
    super.setPropertyDataSource(newDataSource);

    if (newDataSource != null) {
        layout.removeAllComponents();
        Component value = (Component) newDataSource.getValue();
        if (value != null) {
            layout.addComponent(value);
        }
    }
}
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
protected Object[] getPrimaryKeys() {
    String[] columnNames = resultTable.getPrimaryKeyColumnNames();
    Object[] pks = new Object[columnNames.length];
    Item row = grid.getContainerDataSource().getItem(grid.getEditedItemId());
    int index = 0;
    for (String columnName : columnNames) {
        Property<?> p = row.getItemProperty(columnName);
        if (p != null) {
            pks[index++] = p.getValue();
        } else {
            return null;
        }
    }
    return pks;
}
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
public static Table createTable() {
      Table table = new Table() {

          private static final long serialVersionUID = 1L;

          @Override
          protected String formatPropertyValue(Object rowId, Object colId, Property<?> property) {
              if (property.getValue() != null) {
                  if (property.getType() == Date.class) {
                      SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss aaa");
                      return df.format((Date) property.getValue());
                  } else if (Number.class.isAssignableFrom(property.getType())) {
                      return property.getValue().toString();
                  }
              }
              return super.formatPropertyValue(rowId, colId, property);
          }

      };
      
      table.setCellStyleGenerator(new CellStyleGenerator() {
	
	private static final long serialVersionUID = 1L;

	@Override
	public String getStyle(Table source, Object itemId, Object propertyId) {
		if (propertyId != null && propertyId.equals("#")) {
			return "rowheader";
		}
		return null;
	}
});
      
      return table;
  }
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
private boolean validateField(final JcrNodeAdapter jcrNodeAdapter) {
    boolean validField = true;
    Property<?> vanityUrl = jcrNodeAdapter.getItemProperty(PN_VANITY_URL);
    Property<?> site = jcrNodeAdapter.getItemProperty(PN_SITE);
    if (vanityUrl.getValue() != null && site.getValue() != null) {
        Node vanityUrlNode = _vanityUrlService.queryForVanityUrlNode(vanityUrl.getValue().toString(), site.getValue().toString());
        validField = vanityUrlNode == null;
    }
    return validField;
}
 

import com.vaadin.v7.data.Property; //导入方法依赖的package包/类
@Test
public void testListContainer() {

    ListContainer<Entity> listContainer = getTestListContainer();

    Entity entity = listContainer.getIdByIndex(0);
    Item dynaBeanItem = listContainer.getItem(entity);
    Property itemProperty = dynaBeanItem.getItemProperty("property");

    Assert.assertNotNull(itemProperty);
    Assert.assertEquals("foo", itemProperty.getValue());

    // Should not be reported by default...
    boolean contains = listContainer.getContainerPropertyIds().contains(
            "detail.property");
    Assert.assertFalse(contains);

    // But should be found if explicitly requested
    Property nestedProperty = dynaBeanItem.
            getItemProperty("detail.property");
    Assert.assertNotNull(nestedProperty);
    Assert.assertEquals("bar", nestedProperty.getValue());

    Assert.assertEquals(String.class, nestedProperty.getType());

    Property indexedProperty = dynaBeanItem.
            getItemProperty("numbers[2]");
    Assert.assertNotNull(indexedProperty);
    Assert.assertEquals((entity.getId() + 1) * 3l, indexedProperty.
            getValue());
    Assert.assertEquals(Long.class, indexedProperty.getType());

    Property mappedProperty = dynaBeanItem.
            getItemProperty("stringToInteger(id)");
    Assert.assertNotNull(mappedProperty);
    Assert.
            assertEquals(entity.getId().intValue(), mappedProperty.
                    getValue());
    Assert.assertEquals(Integer.class, mappedProperty.getType());

    Property thirdLevel = dynaBeanItem.
            getItemProperty("detailList[1].property");
    Assert.assertNotNull(thirdLevel);
    Assert.assertEquals("bar", thirdLevel.getValue());
    Assert.assertEquals(String.class, thirdLevel.getType());

    Property awkward = dynaBeanItem.
            getItemProperty("detailList[1].moreDetails[0]");
    Assert.assertNotNull(awkward);
    Detail2 value = (Detail2) awkward.getValue();
    Assert.assertEquals(Integer.valueOf(69), value.getProperty());
    Assert.assertEquals(Detail2.class, awkward.getType());

    Property weird = dynaBeanItem.
            getItemProperty("detailList[1].detail2.property");
    Assert.assertNotNull(weird);
    Assert.assertEquals(69, weird.getValue());
    Assert.assertEquals(Integer.class, weird.getType());

    Property weirdest = dynaBeanItem.
            getItemProperty("detailList[1].moreDetails[1].property");
    Assert.assertNotNull(weirdest);
    Assert.assertEquals(69, weirdest.getValue());
    Assert.assertEquals(Integer.class, weirdest.getType());

    Property nonTypedListItem = dynaBeanItem.
            getItemProperty("detailList[1].nonTypedDetails[0]");
    Assert.assertNotNull(weirdest);
    final Detail2 value1 = (Detail2) nonTypedListItem.getValue();

    // Is of type Detail2, but reported type should be Object
    // (can't be inspected)
    Assert.assertEquals(Integer.valueOf(69), value1.getProperty());
    Assert.assertEquals(Object.class, nonTypedListItem.getType());
}