com.vaadin.flow.internal.nodefeature.

Class NodeList<T extends Serializable>

    • Constructor Detail

      • NodeList

        protected NodeList(StateNode node)

        Creates a new list for the given node.

        Parameters:

        node - the node that the list belongs to

    • Method Detail

      • size

        protected int size()

        Gets the number of items in this list.

        Returns:

        the number of items

      • get

        protected T get(int index)

        Gets the item at the given index.

        Parameters:

        index - the of the desired item

        Returns:

        the item at the given index

      • add

        protected void add(T item)

        Adds an item to the end of the list.

        Parameters:

        item - the item to add

      • addAll

        protected void addAll(Collection<? extends T> items)

        Adds all provided items to the end of the list.

        Parameters:

        items - a collection of items to add, not null

      • add

        protected void add(int index,
                   T item)

        Inserts an item at the given index of the list.

        Parameters:

        index - index to insert at

        item - the item to insert

      • remove

        protected T remove(int index)

        Removes the item at the given index.

        Parameters:

        index - index of the item to remove

        Returns:

        the element previously at the specified position

      • getChangeTracker

        protected List<AbstractListChange<T>> getChangeTracker()

        Gets or creates the list used to track changes that should be sent to the client.

        This method is non-private for testing purposes.

        Returns:

        the list to track changes in

      • collectChanges

        public void collectChanges(Consumer<NodeChange> collector)

        Description copied from class: NodeFeature

        Collects all changes that are recorded for this feature.

        Specified by:

        collectChanges in class NodeFeature

        Parameters:

        collector - a consumer accepting node changes

      • forEachChild

        public void forEachChild(Consumer<StateNode> action)

        Description copied from class: NodeFeature

        Passes each child node instance to the given consumer.

        Specified by:

        forEachChild in class NodeFeature

        Parameters:

        action - the consumer that accepts each child

      • generateChangesFromEmpty

        public void generateChangesFromEmpty()

        Description copied from class: NodeFeature

        Generates all changes that would be needed to take this node from its initial empty state to its current state.

        Specified by:

        generateChangesFromEmpty in class NodeFeature

      • isNodeValues

        protected boolean isNodeValues()

        Checks whether this list contains node values.

        Returns:

        true if this list contains node values; false if this list contains primitive values

      • clear

        protected void clear()

        Removes all nodes, including those not known by the server.

      • indexOf

        protected int indexOf(T value)

        Gets the position of a value in the list.

        Parameters:

        value - the value to look for

        Returns:

        the position in the list or -1 if not found

      • iterator

        protected Iterator<T> iterator()

        Gets an iterator returning all items in this list.

        Returns:

        an iterator returning all items

      • onDetach

        public void onDetach()

        Description copied from class: NodeFeature

        Called when the state node has been detached from the state tree.

        Overrides:

        onDetach in class NodeFeature