Examples of org.apache.commons.configuration.tree.InMemoryNodeModel.trackNode()

org.apache.commons.configuration.tree.InMemoryNodeModel.trackNode()

Adds a node to be tracked. After this method has been called with a specific {@code NodeSelector}, the node associated with this key can be always obtained using {@link #getTrackedNode(NodeSelector)} with the sameselector. This is useful because during updates of a model parts of the structure are replaced. Therefore, it is not a good idea to simply hold a reference to a node; this might become outdated soon. Rather, the node should be tracked. This mechanism ensures that always the correct node reference can be obtained. @param selector the {@code NodeSelector} defining the desired node @param resolver the {@code NodeKeyResolver} @throws ConfigurationRuntimeException if the selector does not select asingle node

    @Override
    protected NodeModel<ImmutableNode> cloneNodeModel()
    {
        InMemoryNodeModel parentModel =
                (InMemoryNodeModel) getParent().getModel();
        parentModel.trackNode(getRootSelector(), getParent());
        return new TrackedNodeModel(getParent(), getRootSelector(), true);
    }


    /**
     * {@inheritDoc} This implementation returns a sub selector of the selector

     */
    private SubnodeConfiguration getGlobalSection()
    {
        InMemoryNodeModel parentModel = getSubConfigurationParentModel();
        NodeSelector selector = new NodeSelector(null); // selects parent
        parentModel.trackNode(selector, this);
        GlobalSectionNodeModel model =
                new GlobalSectionNodeModel(this, selector);
        SubnodeConfiguration sub = new SubnodeConfiguration(this, model);
        initSubConfigurationForThisParent(sub);
        return sub;

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