//helper function for showDBbyCategory
public void queryByCategory(int category, DBEngine1 <DBElement1 <int, string> > db)
{
List <int> foundKeys = new List <int>();
IEnumerable <int> keys = db.Keys();
foreach (int key in keys)
{
DBElement1 <int, string> elem = new DBElement1 <int, string>();
db.getValue(key, out elem);
if (elem.category.Contains(category))
{
foundKeys.Add(key);
}
}
foreach (int key1 in foundKeys)
{
Console.WriteLine("Key={0}", key1);
DBElement1 <int, string> elem = new DBElement1 <int, string>();
db.getValue(key1, out elem);
Console.WriteLine("Name: {0}", elem.name); // Printing DB contents grouped by category
Console.WriteLine("Description ={0}", elem.descr);
Console.WriteLine("timeStamp : {0}", elem.timeStamp);
Console.Write("Children:");
foreach (int child in elem.children)
{
Console.Write("{0} ", child);
}
//WriteLine();
Console.WriteLine("Payload : {0}", elem.payload);
WriteLine();
}
}
public void showDBbyCategory(DBEngine1 <DBElement1 <int, string> > db)
{
List <int> cats = new List <int>();
List <int> foundKeys = new List <int>();
IEnumerable <int> keys = db.Keys();
foreach (int key in keys)
{
DBElement1 <int, string> elem = new DBElement1 <int, string>();
db.getValue(key, out elem);
foreach (int cat in elem.category)
{
if (cats.Contains(cat)) // Skip for repeated categories
{
continue;
}
WriteLine("\nCategory = {0}", cat);
WriteLine("- - - - - - ");
queryByCategory(cat, db); // Querying DB by category
cats.Add(cat);
}
}
}
public void show(DBEngine1 <Value> db)
{
foreach (int key in db.Keys())
{
Value value;
db.getValue(key, out value);
DBElement1 <int, string> elem = value as DBElement1 <int, string>;
Write("\n\n -- key = {0} --", key);
Write(showElement(elem));
}
}