com.vaadin.data.

Interface Item

    • Nested Class Summary

      Nested Classes
      Modifier and Type Interface and Description
      static interface  Item.Editor

      Interface implemented by the Editor classes capable of editing the Item.
      static interface  Item.PropertySetChangeEvent

      An Event object specifying the Item whose contents has been changed through the Property interface.
      static interface  Item.PropertySetChangeListener

      The listener interface for receiving PropertySetChangeEvent objects.
      static interface  Item.PropertySetChangeNotifier

      The interface for adding and removing PropertySetChangeEvent listeners.
      static interface  Item.Viewer

      Interface implemented by viewer classes capable of using an Item as a data source.

    • Method Detail

      • getItemProperty

        Property getItemProperty(Object id)

        Gets the Property corresponding to the given Property ID stored in the Item. If the Item does not contain the Property, null is returned.

        Parameters:

        id - identifier of the Property to get

        Returns:

        the Property with the given ID or null

      • getItemPropertyIds

        Collection<?> getItemPropertyIds()

        Gets the collection of IDs of all Properties stored in the Item.

        Returns:

        unmodifiable collection containing IDs of the Properties stored the Item

      • addItemProperty

        boolean addItemProperty(Object id,
                        Property property)
                 throws UnsupportedOperationException

        Tries to add a new Property into the Item.

        This functionality is optional.

        Parameters:

        id - ID of the new Property

        property - the Property to be added and associated with the id

        Returns:

        true if the operation succeeded, false if not

        Throws:

        UnsupportedOperationException - if the operation is not supported.

      • removeItemProperty

        boolean removeItemProperty(Object id)
                    throws UnsupportedOperationException

        Removes the Property identified by ID from the Item.

        This functionality is optional.

        Parameters:

        id - ID of the Property to be removed

        Returns:

        true if the operation succeeded

        Throws:

        UnsupportedOperationException - if the operation is not supported. false if not