void TestR4() //support editing of value including the addition and/or deletion of relationships,
//editing text metadata and replacing an existing value's instance with a new instance
{
"Demonstrating Requirement #4".title();
DBElement <int, string> temp = new DBElement <int, string>();
ItemEditor <int, string> editItem;
if (db.containsKey(2))
{
db.getValue(2, out temp);
Write("\n\n --- value before modified---\n");
temp.showElement();
editItem = new ItemEditor <int, string>(temp);
editItem.nameEdit("newName!!"); //edit the name of the value with key 2
editItem.descrEdit("new description!!"); //edit description
editItem.dateTimeEdit(); //update timeStamp
editItem.addRelationship(18); //add relationship
editItem.deleteRelationship(6); //delete relationship
editItem.payloadEdit("new payload!!"); //modify payload
DBElement <int, string> elemNew = new DBElement <int, string>();
editItem.replaceWithInstance(out elemNew); // replace an existing value's instance with a new instance
temp = null;
Write("\n\n --- value after modified---\n");
elemNew.showElement();
editItem = null;
}
else
{
Write("Value not found!");
}
//Write("\n\n Show key/value pairs in data base:\n");
//db.showDB();
WriteLine();
WriteLine();
}
