//File: DAISNode.idl
#ifndef _DAIS_NODE_IDL
#define _DAIS_NODE_IDL
#pragma prefix "omg.org"
#include <DAISCommon.idl>

module DAIS {
module Node {

struct Description 
{
	ResourceID								id;
	ResourceID								parent;
	string									label;
	string									descrip;
	TypeID									type;
	boolean									is_leaf;
};
typedef sequence< Description > Descriptions;

interface Iterator
{
	boolean next_n (
		in	unsigned long					n,
		out	Descriptions					nodes
	);
	void reset();
	Iterator clone();
	void destroy();
};

interface Home
{
	exception UnknownResourceID {string reason;};

	Description find (
		in	ResourceID						node 
	) raises (UnknownResourceID);

	Descriptions find_each (
		in	ResourceIDs						nodes 
	) raises (UnknownResourceID);

	Iterator find_by_parent (
		in	ResourceID						node,
		in	string							filter_criteria
	) raises (UnknownResourceID);

	Iterator find_by_type (
		in	ResourceID						node,
		in	string							filter_criteria,
		in	TypeIDs							type_filter
	) raises (UnknownResourceID);

	Strings get_pathnames (
		in	ResourceIDs						nodes
	);

	ResourceIDs get_ids (
		in	Strings							pathnames
	);
};};};
#endif // _DAIS_NODE_IDL