// Function to perform editing of name in metedata
public static bool editName <Key, Value, Data>(this DBEngine <Key, Value> dbedit, Key key1, string new_name)
{
Value value;
if (dbedit.getValue(key1, out value))
{
DBElement <Key, Data> elem = value as DBElement <Key, Data>;
elem.name = new_name;
return(true);
}
else
{
return(false);
}
}
// function to edit instances
public static bool editInstance <Key, Value, Data>(this DBEngine <Key, Value> dbedit, Key key1, Data new_instance)
{
Value value;
if (dbedit.getValue(key1, out value))
{
DBElement <Key, Data> elem = value as DBElement <Key, Data>;
elem.payload = new_instance;
return(true);
}
else
{
return(false);
}
}
{ // Function to perform addition of relationships
public static bool addRelations <Key, Value, Data>(this DBEngine <Key, Value> dbedit, Key key1, Key key2)
{
Value val1, val2;
bool key1_present = dbedit.getValue(key1, out val1);
// check if key1 is present
if (key1_present)
{
bool key2_present = dbedit.getValue(key2, out val2);
// check if key2 is present
if (key2_present)
{
DBElement <Key, Data> element = val1 as DBElement <Key, Data>;
element.children.Add(key1);
}
}
return(true);
}
// main method to test DBExtensions package
static void Main(string[] args)
{
"Testing DBExtensions Package".title('=');
WriteLine();
// creation of new element
Write("\n --- Test DBElement<int,string> ---");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
Write(elem1.showElement <int, string>());
// creation of new database
DBEngine <int, DBElement <int, string> > dbs = new DBEngine <int, DBElement <int, string> >();
dbs.insert(1, elem1);
dbs.show <int, DBElement <int, string>, string>();
WriteLine();
Write("\n --- Test DBElement<string,List<string>> ---");
// creation of new element
DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >();
newelem1.name = "newelem1";
newelem1.descr = "test new type";
newelem1.children = new List <string> {
"Key1", "Key2"
};
newelem1.payload = new List <string> {
"one", "two", "three"
};
Write(newelem1.showElement <string, List <string>, string>());
DBEngine <string, DBElement <string, List <string> > > dbe = new DBEngine <string, DBElement <string, List <string> > >();
dbe.insert("key1", newelem1);
dbe.show <string, DBElement <string, List <string> >, List <string>, string>();
Write("\n\n");
}
static void Main(string[] args)
{
"Testing ItemEditor Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
// new database created to test the functionaity
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
// new elements are created and inserted to the database
DBElement <int, string> elem1 = new DBElement <int, string>("first element", "first element description");
DBElement <int, string> elem2 = new DBElement <int, string>("second element", "second element description");
DBElement <int, string> elem3 = new DBElement <int, string>("third element", "third element description");
elem1.payload = "Payload of 1";
elem1.children.AddRange(new List <int> {
1, 2, 3
});
elem2.payload = "Payload of 2";
elem2.children.AddRange(new List <int> {
11, 22, 33
});
elem3.payload = "Payload of 3";
elem3.children.AddRange(new List <int> {
111, 222, 333
});
// inserting elements to database
db.insert(1, elem1);
db.insert(2, elem2);
db.insert(3, elem3);
db.showDB();
// testing addition of relationships to elements
Write("\n\n Testing of addition of new relationships");
bool addr1 = db.addRelations <int, DBElement <int, string>, string>(1, 2);
bool addr2 = db.addRelations <int, DBElement <int, string>, string>(2, 3);
bool addr3 = db.addRelations <int, DBElement <int, string>, string>(3, 111);
db.showDB();
// testing removing relationships to elements
Write("\n\n Testing of removal of relations");
bool remr1 = db.removeRelation <int, DBElement <int, string>, string>(2, 11);
bool remr2 = db.removeRelation <int, DBElement <int, string>, string>(1, 3);
db.showDB();
if (remr1 && remr2)
{
Write("\n \n Removal succeded");
}
// Testing editing of text data
Write("\n\n Testing of editing of text data");
bool ed_name1 = db.editName <int, DBElement <int, string>, string>(1, "renaming of element 1");
bool ed_descr = db.editDescr <int, DBElement <int, string>, string>(1, "editing description of element 1");
bool ed_inst = db.editInstance <int, DBElement <int, string>, string>(1, "new instance for element 1");
db.showDB();
Write("\n\n --- Test DBElement<string,List<string>> ---");
// creating elements to new database of type string,List of strings
DBElement <string, List <string> > new_elem1 = new DBElement <string, List <string> >("new element 1", "Description of 1");
DBElement <string, List <string> > new_elem2 = new DBElement <string, List <string> >("new element 2", "Description of 2");
DBElement <string, List <string> > new_elem3 = new DBElement <string, List <string> >("new element 3", "Description of 3");
//creating new database
DBEngine <string, DBElement <string, List <string> > > new_db = new DBEngine <string, DBElement <string, List <string> > >();
new_elem1.payload = new List <string> {
"First data in payload ", "Second data in payload", "Third data in payload"
};
new_elem1.children.AddRange(new List <string> {
"one", "two", "three"
});
new_elem2.payload = new List <string> {
"DP", "SMA", "OOD"
};
new_elem2.children.AddRange(new List <string> {
"four", "five", "six"
});
new_elem3.payload = new List <string> {
"CE", "CS", "EE"
};
new_elem3.children.AddRange(new List <string> {
"seven", "eight", "nine"
});
// inserting elements to database
new_db.insert("One", new_elem1);
new_db.insert("Two", new_elem2);
new_db.insert("Three", new_elem3);
new_db.showEnumerableDB();
// testing addition of relationships to elements
Write("\n\n testing addition of relationship ");
bool add1 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("One", "two");
bool add2 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("Two", "three");
bool add3 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("Three", "one");
new_db.showEnumerableDB();
if (add1 && add2 && add3)
{
Write("\n \n Adding relationship successful.");
}
// testing removing relationships to elements
Write("\n \n Now going to test removing of relationships in DB-element: Element-One");
bool rem1 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Nine");
bool rem2 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "two");
new_db.showEnumerableDB();
if (rem1 && rem2)
{
Write("\n \n Deleting of relationships succeeded ");
}
// Testing editing of text data
Write("\n \n Now going to test edition of name, description and replacing instance of payload with new instance in Element-One.");
new_db.editName <string, DBElement <string, List <string> >, List <string> >("One", "Edited name for Element-One");
new_db.editDescr <string, DBElement <string, List <string> >, List <string> >("One", "New description for Element-One");
new_db.editInstance <string, DBElement <string, List <string> >, List <string> >("One", new List <string> {
"New payload - String One", "New payload - String Two", "New payload - String Three"
});
new_db.showEnumerableDB();
WriteLine();
}
static void Main(string[] args)
{
"Testing DBEngine Package".title('=');;
WriteLine();
"Test db of scalar elements".title();
WriteLine();
//creation of new elements
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.payload = "The Empire strikes back!";
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
if (verbose)
{
Write("\n --- Test DBElement<int,string> ---");
WriteLine();
elem1.showElement();
WriteLine();
elem2.showElement();
WriteLine();
elem3.showElement();
WriteLine();
}
Write("\n --- Test DBEngine<int,DBElement<int,string>> ---");
WriteLine();
int key = 0;
Func <int> keyGen = () => { ++key; return(key); }; // function to generate keys
// new database created
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
bool p1 = db.insert(keyGen(), elem1);
bool p2 = db.insert(keyGen(), elem2);
bool p3 = db.insert(keyGen(), elem3);
if (p1 && p2 && p3)
{
Write("\n all inserts succeeded");
}
else
{
Write("\n at least one insert failed");
}
db.showDB();
WriteLine();
"Test db of enumerable elements".title();
WriteLine();
//new element created
DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >();
newelem1.name = "newelem1";
newelem1.descr = "test new type";
newelem1.payload = new List <string> {
"one", "two", "three"
};
//new element created
DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >();
newerelem1.name = "newerelem1";
newerelem1.descr = "better formatting";
newerelem1.payload = new List <string> {
"alpha", "beta", "gamma"
};
newerelem1.payload.Add("delta");
newerelem1.payload.Add("epsilon");
//new element created
DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >();
newerelem2.name = "newerelem2";
newerelem2.descr = "better formatting";
newerelem2.children.AddRange(new List <string> {
"first", "second"
});
newerelem2.payload = new List <string> {
"a", "b", "c"
};
newerelem2.payload.Add("d");
newerelem2.payload.Add("e");
if (verbose)
{
Write("\n --- Test DBElement<string,List<string>> ---");
WriteLine();
newelem1.showEnumerableElement();
WriteLine();
newerelem1.showEnumerableElement();
WriteLine();
newerelem2.showEnumerableElement();
WriteLine();
}
Write("\n --- Test DBEngine<string,DBElement<string,List<string>>> ---");
int seed = 0;
string skey = seed.ToString();
Func <string> skeyGen = () =>
{
++seed;
skey = "string" + seed.ToString();
skey = skey.GetHashCode().ToString();
return(skey);
};
DBEngine <string, DBElement <string, List <string> > > newdb =
new DBEngine <string, DBElement <string, List <string> > >();
newdb.insert(skeyGen(), newelem1);
newdb.insert(skeyGen(), newerelem1);
newdb.insert(skeyGen(), newerelem2);
newdb.showEnumerableDB();
Write("\n\n");
}
public static void showEnumerableDB(this DBEngine <string, DBElement <string, List <string> > > db)
{
db.show <string, DBElement <string, List <string> >, List <string>, string>();
}
public static void showDB(this DBEngine <int, DBElement <int, string> > db)
{
db.show <int, DBElement <int, string>, string>();
}
//Main method
public static void Main()
{
"Testing QueryEngine Package".title('=');
Console.WriteLine();
QueryEngine queryv = new QueryEngine();
// new database created for different types
DBEngine<int, DBElement<int, string>> newdbq = new DBEngine<int, DBElement<int, string>>();
DBEngine<string, DBElement<string, List<string>>> newdbqs = new DBEngine<string, DBElement<string, List<string>>>();
//new elements created for int ,string database
DBElement<int, string> newqelem1 = new DBElement<int, string>();
DBElement<int, string> newqelem2 = new DBElement<int, string>();
DBElement<int, string> newqelem3 = new DBElement<int, string>();
newqelem1.name = "query elemnt 1";
newqelem1.descr = "testing qurey get value for 1";
newqelem1.payload = "new query element payload 1";
newqelem1.children.AddRange(new List<int> { 1, 22, 333 });
newqelem2.name = "query elemnt 2";
newqelem2.descr = "testing query get value for 2";
newqelem2.payload = "new query element payload 2";
newqelem2.children.AddRange(new List<int> { 010, 020, 030 });
newqelem3.name = "query elemnt 3";
newqelem3.descr = "testing quey get value for 3";
newqelem3.payload = "new query element payload 3";
newqelem3.children.AddRange(new List<int> { 777, 222, 333 });
newdbq.insert(1, newqelem1);
newdbq.insert(2, newqelem2);
newdbq.insert(3, newqelem3);
newdbq.showDB();
// testing query 1
DBElement<int, string> displayres = new DBElement<int, string>();
Console.WriteLine("\n \n getting value for key 2");
displayres = queryv.queryvalue<int, DBElement<int, string>, string>(newdbq, 2);
if (displayres != null)
displayres.showElement();
//testing query 2
Console.WriteLine("\n \n getting children for key 3");
List<int> childlist = new List<int>();
childlist = queryv.querychildren<int, DBElement<int, string>, string>(newdbq, 3);
if (childlist != null)
{
foreach (int i in childlist)
Console.WriteLine(i);
}
//new elements created for string,list of string database
DBElement<string, List<string>> newelem1q = new DBElement<string, List<string>>(" element 1", "1 is first");
DBElement<string, List<string>> newelem2q = new DBElement<string, List<string>>(" element 2", "2 is second");
DBElement<string, List<string>> newelem3q = new DBElement<string, List<string>>(" element 3", " 3 is third");
newelem1q.children.AddRange(new List<string> { " one", "one", "one" });
newelem1q.payload = new List<string> { "h", "e", "l", "l", "o" };
newelem2q.children.AddRange(new List<string> { " two", "two", "two" });
newelem2q.payload = new List<string> { "h", "d", "w", "f", "b" };
newelem3q.children.AddRange(new List<string> { " three", "three", "three" });
newelem3q.payload = new List<string> { "a", "e", "i", "o", "u" };
newdbqs.insert("one", newelem1q);
newdbqs.insert("two", newelem2q);
newdbqs.insert("three", newelem3q);
newdbqs.showEnumerableDB();
// testing query one
DBElement<string, List<string>> valuestring = new DBElement<string, List<string>>();
Console.WriteLine("\n \n getting value for key 2");
valuestring = queryv.queryvalue<string, DBElement<string, List<string>>, string>(newdbqs, "two");
if (valuestring != null)
valuestring.showEnumerableElement();
//testing query two
DBElement<string, List<string>> valuestrings = new DBElement<string, List<string>>();
Console.WriteLine("\n \n getting children for key five");
List<string> childlists = new List<string>();
childlists = queryv.querychildren<string, DBElement<string, List<string>>, string>(newdbqs, "five");
if (childlists != null)
{
foreach (string cstring in childlists)
Console.WriteLine(cstring);
}
}
static void Main(string[] args)
{
"Testing DBEngine Package".title('=');
WriteLine();
// New element being created
Write("\n --- Test DBElement<int,string> ---");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
Write(elem1.showElement <int, string>());
WriteLine();
// New element being created
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.payload = "The Empire strikes back!";
Write(elem2.showElement <int, string>());
WriteLine();
// New element being created
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.children.AddRange(new List <int> {
1, 5, 23
});
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
Write(elem3.showElement <int, string>());
WriteLine();
Write("\n --- Test DBEngine<int,DBElement<int,string>> ---");
int key = 0;
Func <int> keyGen = () => { ++key; return(key); }; // anonymous function to generate keys
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
bool p1 = db.insert(keyGen(), elem1);
bool p2 = db.insert(keyGen(), elem2);
bool p3 = db.insert(keyGen(), elem3);
if (p1 && p2 && p3)
{
Write("\n all inserts succeeded");
}
else
{
Write("\n at least one insert failed");
}
db.show <int, DBElement <int, string>, string>();
WriteLine();
WriteLine("\n\n removing element of key 2");
bool p4 = db.remove(2);
db.show <int, DBElement <int, string>, string>();
Write("\n --- Test DBElement<string,List<string>> ---");
// New element being created of type string and list of strings
DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >();
newelem1.name = "newelem1";
newelem1.descr = "test new type";
newelem1.payload = new List <string> {
"one", "two", "three"
};
Write(newelem1.showElement <string, List <string> >());
WriteLine();
Write("\n --- Test DBElement<string,List<string>> ---");
DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >();
newerelem1.name = "newerelem1";
newerelem1.descr = "better formatting";
newerelem1.payload = new List <string> {
"alpha", "beta", "gamma"
};
newerelem1.payload.Add("delta");
newerelem1.payload.Add("epsilon");
Write(newerelem1.showElement <string, List <string>, string>());
WriteLine();
//new elements being created
DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >();
newerelem2.name = "newerelem2";
newerelem2.descr = "better formatting";
newerelem1.children.AddRange(new[] { "first", "second" });
newerelem2.payload = new List <string> {
"a", "b", "c"
};
newerelem2.payload.Add("d");
newerelem2.payload.Add("e");
Write(newerelem2.showElement <string, List <string>, string>());
WriteLine();
Write("\n --- Test DBEngine<string,DBElement<string,List<string>>> ---");
int seed = 0;
string skey = seed.ToString();
Func <string> skeyGen = () =>
{
++seed;
skey = "string" + seed.ToString();
skey = skey.GetHashCode().ToString();
return(skey);
};
// create a new database of string and list of string type
DBEngine <string, DBElement <string, List <string> > > newdb =
new DBEngine <string, DBElement <string, List <string> > >();
newdb.insert(skeyGen(), newerelem1);
newdb.insert(skeyGen(), newerelem2);
newdb.show <string, DBElement <string, List <string> >, List <string>, string>();
WriteLine();
// removing element
WriteLine("removing element ");
newdb.remove("newerelem2");
newdb.show <string, DBElement <string, List <string> >, List <string>, string>();
// testing editing of metadata text
"testing edits".title();
db.show <int, DBElement <int, string>, string>();
DBElement <int, string> editElement = new DBElement <int, string>();
db.getValue(1, out editElement);
editElement.showElement <int, string>();
editElement.name = "editedName";
editElement.descr = "editedDescription";
db.show <int, DBElement <int, string>, string>();
Write("\n\n");
}
