/*void TestR3()
* {
* //----------< Demonstrating adding and removing of elements >-----------
* "Demonstrating Requirement #3".title();
* WriteLine();
* "Adding <int, string> elements".title('-');
* DBElement<int, string> elem = new DBElement<int, string>();
* elem.name = "Element 1";
* elem.descr = "Test Element (int, string)";
* elem.timeStamp = DateTime.Now;
* elem.children.AddRange(new List<int> { 1, 2, 3 });
* elem.payload = "Element 1's payload. (string)";
* WriteLine(elem.showElement());
* bool p1 = db.insert(1, elem);
* WriteLine();
* DBElement<int, string> elem1 = new DBElement<int, string>();
* elem1.name = "Element 2";
* elem1.descr = "Again <int, string> but no children!";
* elem1.timeStamp = DateTime.Now;
* elem1.children.Clear();
* elem1.payload = "Element 2's payload. (string)";
* WriteLine(elem1.showElement());
* bool p2 = db.insert(2, elem1);
* WriteLine();
* DBElement<int, string> elem2 = new DBElement<int, string>();
* elem2.name = "Element 3";
* elem2.descr = "Test Element <int, string>. Different timeStamp.";
* elem2.children.AddRange(new List<int> { 1, 2, 3 });
* elem2.timeStamp = DateTime.UtcNow;
* elem2.payload = "Element 3's payload. (string)";
* WriteLine(elem2.showElement());
* WriteLine();
* bool p3 = db.insert(3, elem2);
* "Adding <string, List<string>> elements".title('-');
* DBElement<string, List<string>> newelem = new DBElement<string, List<string>>();
* newelem.name = "New elem";
* newelem.descr = "Element 4. <string, List<string>>";
* newelem.timeStamp = DateTime.Now;
* newelem.children.AddRange(new List<string> { "one", "two", "three" });
* newelem.payload = new List<string> { "one", "two", "three" };
* Write(newelem.showElement<string, List<string>, string>());
* bool p4 = dbLOS.insert("Four", newelem);
* Console.WriteLine("\n\nInserting elements... ");
* if (p1 && p2 && p3 && p4)
* Console.WriteLine("All inserts succeeded");
* else
* Console.WriteLine("\n\nAt Least one insert failed");
* "Database".title('-');
* db.show<int, DBElement<int, string>, string>();
* dbLOS.show<string, DBElement<string, List<string>>, List<string>, string>();
* WriteLine();
* "Removing elements".title();
* DBElement<int, string> pay = new DBElement<int, string>();
* db.remove(1, out pay);
* Console.Write("\n\nRemoved element: {0}", pay.name);
* WriteLine();
* db.remove(2, out pay);
* Console.Write("\n\nRemoved element: {0}", pay.name);
* WriteLine();
* db.remove(3, out pay);
* Console.Write("\n\nRemoved element: {0}", pay.name);
* WriteLine();
* "Database".title();
* db.show<int, DBElement<int, string>, string>();
* dbLOS.show<string, DBElement<string, List<string>>, List<string>, string>();
* WriteLine();
* }*/
void TestR4()
{
//----------< Demonstrating editing of items >-------------
"Demonstrating Requirement #4".title();
WriteLine();
"Editing an item".title();
"Old Database".title();
db.show <int, DBElement <int, string>, string>();
dbLOS.show <string, DBElement <string, List <string> >, List <string>, string>();
WriteLine();
DBElement <string, List <string> > editElement = new DBElement <string, List <string> >();
dbLOS.getValue("Four", out editElement);
editElement.name = "Element 4 (edited)";
editElement.descr = "New description";
editElement.timeStamp = DateTime.Now;
editElement.children.Clear();
editElement.children.Add("five");
editElement.payload = new List <string> {
"four", "five", "six"
};
editElement.payload.Add("eight");
dbLOS.insert("Four", editElement);
"New Database".title();
db.show <int, DBElement <int, string>, string>();
dbLOS.show <string, DBElement <string, List <string> >, List <string>, string>();
WriteLine();
}
static void Main(string[] args)
{
Write("\n --- Test specific key query ---");
Write("\n ---Database contents");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.descr = "payload desxription";
elem1.name = "element 1";
elem1.timeStamp = DateTime.Now;
elem1.payload = "a payload";
WriteLine();
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.descr = "star war 2";
elem2.name = "element 2";
elem2.timeStamp = new DateTime(2015, 9, 10, 12, 30, 1);
elem2.payload = "The Empire strikes back!";
WriteLine();
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.name = "fight";
elem3.descr = "star war 3";
elem3.timeStamp = new DateTime(2015, 10, 2, 8, 0, 0);
elem3.children = new List <int> {
1, 2, 3
};
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
WriteLine();
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);
db.show <int, DBElement <int, string>, string>();
WriteLine();
Write("\n --- Test creation of immutable database ---");
Write("\n --- create database for elements which contain \"element\" in metadata ---");
QueryEngine <int, string> query = new QueryEngine <int, string>(db);
Func <int, bool> defineQuery = query.defineStringQuery("element");
List <int> keyCollection;
bool result = query.processQuery(defineQuery, out keyCollection);
immutableDB <int, DBElement <int, string> > imdb = new immutableDB <int, DBElement <int, string> >(db, keyCollection);
imdb.ImmutableDB.showDB();
WriteLine();
}
// test write DBEngine<int,DBElement<int,string>> to xml
static void TestWriteToXML()
{
Write("\n ---convert database content to XML ---");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.descr = "payload desxription";
elem1.name = "element 1";
elem1.timeStamp = DateTime.Now;
elem1.payload = "a payload";
WriteLine();
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.descr = "star war 2";
elem2.name = "element 2";
elem2.timeStamp = new DateTime(2015, 9, 10, 12, 30, 1);
elem2.payload = "The Empire strikes back!";
WriteLine();
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.name = "element 3";
elem3.descr = "star war 3";
elem3.timeStamp = new DateTime(2015, 10, 2, 8, 0, 0);
elem3.children = new List <int> {
1, 2, 3
};
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
WriteLine();
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);
db.show <int, DBElement <int, string>, string>();
WriteLine();
IntAndString test = new IntAndString(db);
test.writeToXML("DatabaseContent.xml");
Write("\n XML file has been created in ./bin/Debug");
}
static void Main(string[] args)
{
"Testing DBExtensions Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
Write(elem1.showElement <int, string>());
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>> ---");
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 DBEngine Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
Write(elem1.showElement <int, string>());
WriteLine();
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.payload = "The Empire strikes back!";
Write(elem2.showElement <int, string>());
WriteLine();
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();
Write("\n --- Test DBElement<string,List<string>> ---");
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();
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);
};
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();
"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>();
WriteLine();
Write("\n\n");
"testing removal".title();
db.show <int, DBElement <int, string>, string>();
DBElement <int, string> pay = new DBElement <int, string>();
db.remove(1, out pay);
Console.Write("\n\nRemoved element: {0}", pay.name);
WriteLine();
newdb.show <string, DBElement <string, List <string> >, List <string>, string>();
db.show <int, DBElement <int, string>, string>();
Write("\n\n");
}
private string pathnameLOS = ""; // they can be reused later.
static void Main(string[] args)
{
PersistEngine pe = new PersistEngine();
TEST_PERSISTENGINE pet = new TEST_PERSISTENGINE();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
DBEngine <string, DBElement <string, List <string> > > dbLOS = new DBEngine <string, DBElement <string, List <string> > >();
DBElement <int, string> elem = new DBElement <int, string>();
DBElement <string, List <string> > elemLOS = new DBElement <string, List <string> >();
//Adding DBElement<int, string>
elem.name = "name";
elem.descr = "descr";
elem.timeStamp = DateTime.Now;
elem.children.AddRange(new List <int>()
{
1, 2, 3
});
elem.payload = "hello";
db.insert(0, elem);
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "name1";
elem1.descr = "descr1";
elem1.children.AddRange(new List <int>()
{
1, 2, 3
});
elem1.timeStamp = DateTime.Now;
elem1.payload = "hello1";
db.insert(1, elem1);
//Adding DBElement<string, List<string>>
elemLOS.name = "name2";
elemLOS.descr = "descr2";
elem.timeStamp = DateTime.Now;
elemLOS.payload = new List <string>()
{
"hello", "world"
};
dbLOS.insert("Two", elemLOS);
elemLOS = new DBElement <string, List <string> >();
elemLOS.name = "name3";
elemLOS.descr = "descr3";
elemLOS.timeStamp = DateTime.Now;
elemLOS.children.AddRange(new List <string>()
{
"One", "Two", "Three"
});
elemLOS.payload = new List <string>()
{
"fee", "foo", "bar"
};
dbLOS.insert("Three", elemLOS);
pe.XMLWrite(db, out pet.pathname);
pe.XMLWriteLOS(dbLOS, out pet.pathnameLOS);
WriteLine("\n{0}", XDocument.Load(pet.pathname).ToString());
WriteLine("\n{0}", XDocument.Load(pet.pathnameLOS).ToString());
pe.XMLRestore("../../xmlRestore.xml", db);
db.show <int, DBElement <int, string>, string>();
pe.XMLRestoreLOS("../../xmlRestoreLOS.xml", dbLOS);
dbLOS.show <string, DBElement <string, List <string> >, List <string>, string>();
}
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>();
}
static void Main(string[] args)
{
Write("\n --- Test specific key query ---");
Write("\n ---Database contents");
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.descr = "payload desxription";
elem1.name = "element 1";
elem1.timeStamp = DateTime.Now;
elem1.payload = "a payload";
WriteLine();
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.descr = "star war 2";
elem2.name = "element 2";
elem2.timeStamp = new DateTime(2015, 9, 10, 12, 30, 1);
elem2.payload = "The Empire strikes back!";
WriteLine();
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.name = "element 3";
elem3.descr = "star war 3";
elem3.timeStamp = new DateTime(2015, 10, 2, 8, 0, 0);
elem3.children = new List <int> {
1, 2, 3
};
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
WriteLine();
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);
db.show <int, DBElement <int, string>, string>();
QueryEngine <int, string> QETest = new QueryEngine <int, string>(db);
WriteLine();
Write("\n --- Query element which key=2");
QueryEngine <int, string> query = new QueryEngine <int, string>(db);
DBElement <int, string> elem;
bool valQuery = query.KeyQuery(2, out elem);
if (valQuery)
{
Write("\n This element exist");
}
Write(elem.showElement <int, string>());
WriteLine();
Write("\n --- Test queries for children of a specified key ---");
Write("\n --- Query for children of element which key=3 ---");
List <int> children;
bool childQuery = query.queryChildren(3, out children);
if (childQuery)
{
Write("\n This element has child");
}
foreach (var child in children)
{
Write("\n Key of child: {0}", child.ToString());
}
WriteLine();
Write("\n --- Test all keys that contain a specified string in their metadata section---");
Write("\n --- query for \"star war\" in metadata, return keys ---");
Func <int, bool> stringTest = QETest.defineStringQuery("star war");
List <int> keyCollection;
bool stringQuery = QETest.processQuery(stringTest, out keyCollection);
foreach (var k in keyCollection)
{
Write("\n Key: {0}", k.ToString());
}
WriteLine();
WriteLine("\n --- Test query according to a specified time-date interval ---");
DateTime time1 = new DateTime(2015, 10, 1, 0, 0, 0);
DateTime time2 = new DateTime(2015, 10, 2, 11, 0, 0);
List <int> timeCollection;
Func <int, bool> timeTest = QETest.defineTimeQuery(time1, time2);
bool timeResult = QETest.processQuery(timeTest, out timeCollection);
foreach (var k in timeCollection)
{
WriteLine("key in specific time interval: {0}", k.ToString());
}
WriteLine();
WriteLine("--- When time is not provided ---");
DateTime time3 = new DateTime();
timeTest = QETest.defineTimeQuery(time1, time3);
bool timeQuery2 = QETest.processQuery(timeTest, out timeCollection);
foreach (var k in timeCollection)
{
WriteLine("key in specific time interval: {0}", k.ToString());
}
WriteLine();
}
void TestR3()
{
//----------< Demonstrating adding and removing of elements >-----------
"Demonstrating Requirement #3".title();
WriteLine();
"Adding <int, string> elements".title('-');
DBElement<int, string> elem = new DBElement<int, string>();
elem.name = "Element 1";
elem.descr = "Test Element (int, string)";
elem.timeStamp = DateTime.Now;
elem.children.AddRange(new List<int> { 1, 2, 3 });
elem.payload = "Element 1's payload. (string)";
WriteLine(elem.showElement());
bool p1 = db.insert(1, elem);
WriteLine();
DBElement<int, string> elem1 = new DBElement<int, string>();
elem1.name = "Element 2";
elem1.descr = "Again <int, string> but no children!";
elem1.timeStamp = DateTime.Now;
elem1.children.Clear();
elem1.payload = "Element 2's payload. (string)";
WriteLine(elem1.showElement());
bool p2 = db.insert(2, elem1);
WriteLine();
DBElement<int, string> elem2 = new DBElement<int, string>();
elem2.name = "Element 3";
elem2.descr = "Test Element <int, string>. Different timeStamp.";
elem2.children.AddRange(new List<int> { 1, 2, 3 });
elem2.timeStamp = DateTime.UtcNow;
elem2.payload = "Element 3's payload. (string)";
WriteLine(elem2.showElement());
WriteLine();
bool p3 = db.insert(3, elem2);
"Adding <string, List<string>> elements".title('-');
DBElement<string, List<string>> newelem = new DBElement<string, List<string>>();
newelem.name = "New elem";
newelem.descr = "Element 4. <string, List<string>>";
newelem.timeStamp = DateTime.Now;
newelem.children.AddRange(new List<string> { "one", "two", "three" });
newelem.payload = new List<string> { "one", "two", "three" };
Write(newelem.showElement<string, List<string>, string>());
bool p4 = dbLOS.insert("Four", newelem);
Console.WriteLine("\n\nInserting elements... ");
if (p1 && p2 && p3 && p4)
Console.WriteLine("All inserts succeeded");
else
Console.WriteLine("\n\nAt Least one insert failed");
"Database".title('-');
db.show<int, DBElement<int, string>, string>();
dbLOS.show<string, DBElement<string, List<string>>, List<string>, string>();
WriteLine();
"Removing elements".title();
DBElement<int, string> pay = new DBElement<int, string>();
db.remove(1, out pay);
Console.Write("\n\nRemoved element: {0}", pay.name);
WriteLine();
db.remove(2, out pay);
Console.Write("\n\nRemoved element: {0}", pay.name);
WriteLine();
db.remove(3, out pay);
Console.Write("\n\nRemoved element: {0}", pay.name);
WriteLine();
"Database".title();
db.show<int, DBElement<int, string>, string>();
dbLOS.show<string, DBElement<string, List<string>>, List<string>, string>();
WriteLine();
}
