Function addRelationDocument

graphdb.js:702–729

(self, relation, index, callback, between)

}

function addRelationDocument(self, relation, index, callback, between) {

	// meta.typeid (1 CLASS, 2 RELATION, 3 PRIVATE RELATION)
	// meta.type (link to type class/relation)
	// meta.state
	// meta.parentindex
	// meta.relationindex
	// meta.size
	// meta.data

	var meta = {};
	meta.typeid = between ? TYPE_RELATION_DOCUMENT : TYPE_RELATION;
	meta.type = between ? { index: 0, pageindex: self.header.relationpageindex, documentindex: index, locked: false, private: true } : relation;
	meta.state = 1;
	meta.parentindex = 0;
	meta.relationindex = 0;
	meta.size = 0;

	// Creates a new node
	addNode(self, meta, function(err, relationindex) {

		// Updates exiting document by updating relation index
		updDocumentRelation(self, index, relationindex, function(err) {
			// Returns a new relation index
			callback(err, relationindex);
		});
	});
}

function findDocumentFree(self, pageindex, callback, ready) {