<!-- ##### SECTION Title ##### --> EphyNodeDb <!-- ##### SECTION Short_Description ##### --> Data tree <!-- ##### SECTION Long_Description ##### --> <para> An #EphyNodeDb is a database for arbitrary data organized in a tree. </para> <para> Each database is stored along with its name in a global set of databases. Databases can be created using ephy_node_db_new() and retrieved using ephy_node_db_get_by_name(). </para> <para> Each #EphyNode inside an #EphyNodeDb is identified by a unique node ID. By keeping a handle on the ID, one can use ephy_node_db_get_node_from_id() to retrieve its corresponding #EphyNode. </para> <para> #EphyNodeDb<!-- -->s can be saved to disk using ephy_node_db_write_to_xml_safe() and restored using ephy_node_db_load_from_file(). </para> <!-- ##### SECTION See_Also ##### --> <para> </para> <!-- ##### STRUCT EphyNodeDb ##### --> <para> </para> <!-- ##### ARG EphyNodeDb:immutable ##### --> <para> %TRUE if no #EphyNode<!-- -->s can be added, removed or modified from this #EphyNodeDb </para> <!-- ##### ARG EphyNodeDb:name ##### --> <para> A string identifier unique to this #EphyNodeDb </para> <!-- ##### FUNCTION ephy_node_db_get_by_name ##### --> <para> </para> @name: @Returns: <!-- ##### FUNCTION ephy_node_db_new ##### --> <para> </para> @name: @Returns: <!-- ##### FUNCTION ephy_node_db_load_from_file ##### --> <para> </para> @db: @xml_file: @xml_root: @xml_version: @Returns: <!-- ##### FUNCTION ephy_node_db_write_to_xml_safe ##### --> <para> </para> @db: @filename: @root: @version: @comment: @node: @Varargs: @Returns: <!-- ##### FUNCTION ephy_node_db_get_name ##### --> <para> </para> @db: @Returns: <!-- ##### FUNCTION ephy_node_db_is_immutable ##### --> <para> </para> @db: @Returns: <!-- ##### FUNCTION ephy_node_db_set_immutable ##### --> <para> </para> @db: @immutable: <!-- ##### FUNCTION ephy_node_db_get_node_from_id ##### --> <para> </para> @db: @id: @Returns: <!-- # Unused Parameters # --> @Param2: