/*
 *	
 * ODL definition for Composite Object Example
 *	
 *	
 */

// For composite object
interface CompositeRelationship : "Mt Relationship" : persistent {
};

interface DOCUMENT : persistent {
	relationship List<DOC_AUTHOR> authors
	   inverse DOC_AUTHOR::documents;
	relationship List<CHAPTER> chapters[0, -1]
	   inverse CHAPTER::of_document
	   mt_instance_of CompositeRelationship;
	attribute String title
	   mt_make_entry "Make-Entry";
};

interface DOC_CONTENT : persistent {
	relationship List <DOC_CONTENT> linked_by
	   inverse PARAGRAPH::hyperlinks;
};

interface CHAPTER : DOC_CONTENT : persistent {
	relationship List <SECTION> sections [0, -1]
	   inverse SECTION::of_chapter
	   mt_instance_of CompositeRelationship;
	relationship DOCUMENT of_document
	   inverse DOCUMENT::chapters;
	attribute String title
	   mt_make_entry "Make-Entry";
};

interface SECTION : DOC_CONTENT : persistent {
	relationship List <PARAGRAPH> paragraphs [0, -1]
	   inverse PARAGRAPH::of_section
	   mt_instance_of CompositeRelationship;
	relationship CHAPTER of_chapter
	   inverse CHAPTER::sections;
	attribute String title
	   mt_make_entry "Make-Entry";
};

interface PARAGRAPH : DOC_CONTENT : persistent {
	attribute String text;
	relationship SECTION of_section
	   inverse SECTION::paragraphs;
	relationship List <DOC_CONTENT> hyperlinks
	   inverse DOC_CONTENT::linked_by;
};

interface DOC_AUTHOR : persistent {
	relationship List <DOCUMENT> documents
	  inverse DOCUMENT::authors;
	attribute String name;
};