public void performOperations(DBEngine <string, DBElement <string, List <string> > > testDict, DBElement <string, List <string> > value)
{ /*----------Perform operations as per the input given in the XML document--------------*/
if (value.operation == "addition")
{
testDict.insert(value.key, value); //insert the key/value pairs to the main database
string s = "Database after inserting key " + value.key + " is";
printDatabase(testDict, s);
}
if (value.operation == "edit")
{
testDict.saveValue(value.key, value); //edit the value for the given key
string s = "Database after editing key " + value.key + " is";
printDatabase(testDict, s);
}
if (value.operation == "delete")
{
testDict.delete(value.key); //delete the key/value pair
string s = "Database after deleting key " + value.key + " is";
printDatabase(testDict, s);
}
if (value.operation == "persist database")
{
PersistEngine <string, DBElement <string, List <string> > > persist = new PersistEngine <string, DBElement <string, List <string> > >(testDict);
var keys = testDict.Keys();
persist.persistToXMLListPayload(keys);
printDatabase(testDict, "Persisted database is:");
}
if (value.operation == "Query value")
{
DBElement <string, List <string> > valueOfKey = testDict.getValueOfKey(value.key);
printQuery("Querying the database for value of key " + value.key + " is");
Console.WriteLine("\n\nThe value of the Key {0} is:\n", value.key);
valueOfKey.showEnumerableElement();
}
if (value.operation == "Query children")
{
QueryEngine <string, DBElement <string, List <string> > > qEngine = new QueryEngine <string, DBElement <string, List <string> > >(testDict);
printQuery("Querying the database for value of key " + value.key + " is");
List <string> children = qEngine.getChildrenOfKey(value.key);
Console.WriteLine("\nThe children of the Key {0} are:\n", value.key);
displayChildren(children);
}
if (value.operation == "Augment database")
{
PersistEngine <string, DBElement <string, List <string> > > persist = new PersistEngine <string, DBElement <string, List <string> > >(testDict);
string fileName = "C:\\Users\\rakeshh91\\Documents\\Rakesh Documents\\Class Materials\\SMA\\Assignments\\Assignment 4 - Implementation\\CommPrototype\\augmentDatabase.xml";
persist.augmentDatabaseFromXMLStringList(testDict, fileName);
printDatabase(testDict, "Database after augmenting is:");
}
}
/*-----------------Function to replace the instance of the value----------------------*/
public bool replaceValueInstance(Key key, Value val)
{
try
{
if (db.Contains(key))
{
db.saveValue(key, val);
return(true);
}
else
{
WriteLine("\nKey is not present in the dictionary\n");
return(false);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message.ToString()); return(false);
}
}
