public void insertData(DBEngine <int, DBElement <int, string> > db)
{
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "Usain Bolt";
elem1.descr = "Athelte";
elem1.timeStamp = DateTime.Now;
elem1.children.AddRange(new List <int> {
2
});
elem1.payload = "Fastest in the world";
db.insert(1, elem1);
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "Saina Nehwal";
elem2.descr = "Badminton Player";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
1
});
elem2.payload = "Famous badminton player";
db.insert(2, elem2);
db.showDB();
WriteLine();
}
static void Main(string[] args)
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
DBElement <int, string> elem = itemFactory.Create();
elem.name = "element";
elem.descr = "test element";
elem.timeStamp = DateTime.Now.AddDays(-4);
elem.children.AddRange(new List <int> {
1, 2, 3
});
elem.payload = "elem's payload";
WriteLine("\n Item to be inserted.. \n");
elem.showElement();
db.insert(1, elem);
db.showDB();
WriteLine();
WriteLine("\n Inserting second element into DB :");
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "element2";
elem2.descr = "test element2";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
1, 2, 3, 4
});
elem2.payload = "elem2's payload";
WriteLine("\nItem to be inserted.. \n");
elem2.showElement();
db.insert(2, elem2);
WriteLine("\n\n DB after insertion:");
db.showDB();
//Inserting element 3
WriteLine("\n Inserting third element into DB :");
DBElement <int, string> elem3 = new DBElement <int, string>();
elem3.name = "element3";
elem3.descr = "test element3";
elem3.timeStamp = DateTime.Now.AddDays(-5);
elem3.children.AddRange(new List <int> {
5, 8, 10
});
elem3.payload = "elem3's payload";
WriteLine("\nItem to be inserted.. \n");
elem3.showElement();
db.insert(3, elem3);
WriteLine("\n\n DB after insertion:");
db.showDB();
QueryEngineTest engineTest = new QueryEngineTest();
engineTest.test1();
engineTest.test2();
engineTest.test3();
}
static void Main(string[] args)
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
"Demonstrating Requirement #2".title();
DBElement <int, string> elem = itemFactory.Create();
elem.name = "element";
elem.descr = "test element";
elem.timeStamp = DateTime.Now.AddDays(-4);
elem.children.AddRange(new List <int> {
1, 2, 3
});
elem.payload = "elem's payload";
WriteLine("\n Item to be inserted.. \n");
elem.showElement();
db.insert(1, elem);
db.showDB();
WriteLine();
WriteLine("\n Inserting second element into DB :");
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "element2";
elem2.descr = "test element2";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
1, 2, 3, 4
});
elem2.payload = "elem2's payload";
WriteLine("\nItem to be inserted.. \n");
elem2.showElement();
db.insert(2, elem2);
WriteLine("\n\n DB after insertion:");
db.showDB();
"Adding relationship :".title('.');
WriteLine("\n Elements in DB :");
db.showDB();
int key = 2;
var children = new List <int> {
5, 6
};
WriteLine("\n Add children for key {0} : ", key);
foreach (var child in children)
{
Write("{0}, ", child);
}
WriteLine();
db.addRelationship(key, children);
WriteLine("\n\n DB after the change :");
db.showDB();
WriteLine();
"".demarcation();
ItemEditorTest editorTest = new ItemEditorTest();
editorTest.test();
}
static void Main(string[] args)
{
//test stub for Query Processing
// "Testing QueryProcessing Package".title('=');
WriteLine();
QueryProcessing <int, string> query = new QueryProcessing <int, string>();
DBElement <int, string> elem = new DBElement <int, string>();
DBElement <int, string> elemResults;
List <int> childrens;
DBEngine <int, DBElement <int, string> > dbEngine = new DBEngine <int, DBElement <int, string> >();
// "Metadata with data dictionary is ".subTitle('-');
elem.name = "X";
elem.descr = "description";
elem.timeStamp = DateTime.Parse("09/20/2015 11:36:58 PM");
elem.children = new List <int> {
2, 3, 4
};
elem.payload = "payload";
dbEngine.insert(1, elem);
elem = new DBElement <int, string>();
elem.name = "XX";
elem.descr = "description";
elem.timeStamp = DateTime.Now;
elem.children = new List <int> {
5, 6, 7
};
elem.payload = "payload";
dbEngine.insert(12, elem);
dbEngine.showDB();
/*query.DBEngine = dbEngine;
* Write("\n\n");
* //testing different kinds of function by querying different kinds of data
* "Testing func: valueQuery() by getting following metdata from key = 1".subTitle();
* query.valueQuery(1, out elemResults);
* elemResults.showElement();
* Write("\n\n");
* "Testing func: childrenQuery() by getting following childrens from key = 1".subTitle();
* query.childrensQuery(1, out childrens);
* childrens.showList();
* Write("\n\n");
* "Testing func: processKeyMatchQuery() and defineQueryKeySearch() by getting keys with pattern 1".subTitle();
* List<int> keys1 = query.processMatchQuery(query.defineQueryKeySearch("1"));
* keys1.showList();
* Write("\n\n");
* "Testing func: processKeyMatchQuery() and defineQueryValueSearch() by getting keys with values having 'X' in their pattern".subTitle();
* List<int> keys2 = query.processMatchQuery(query.defineQueryValueSearch("X"));
* keys2.showList();
* Write("\n\n");
* "Testing func: processKeyMatchQuery() and defineQueryTimestampSearch() by getting keys with timestamp between 09/20/2015 11:36:58 PM to 09/22/2015 11:36:58 PM".subTitle();
* List<int> keys3 = query.processMatchQuery(query.defineQueryTimestamp(DateTime.Parse("09/20/2015 11:36:58 PM"), DateTime.Parse("09/22/2015 11:36:58 PM")));
* keys3.showList();
* Write("\n\n");*/
}
static void Main(string[] args)
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
"Demonstrating Requirement #2".title();
DBElement <int, string> elem = itemFactory.Create();
elem.name = "element";
elem.descr = "test element";
elem.timeStamp = DateTime.Now.AddDays(-4);
elem.children.AddRange(new List <int> {
1, 2, 3
});
elem.payload = "elem's payload";
WriteLine("\n Item to be inserted.. \n");
elem.showElement();
db.insert(1, elem);
db.showDB();
WriteLine("\n Inserting second element into DB :");
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "element2";
elem2.descr = "test element2";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
1, 2, 3, 4
});
elem2.payload = "elem2's payload";
WriteLine("\nItem to be inserted.. \n");
elem2.showElement();
db.insert(2, elem2);
WriteLine("\n\n DB after insertion:");
db.showDB();
WriteLine("\n\n DB after insertion:");
db.showDB();
var dict = new Dictionary <int, DBElement <int, string> >();
var keys = db.searchForTimeStamp(DateTime.Now.AddDays(-6), DateTime.Now.AddDays(-3));
Console.WriteLine("\nRunning a query on database..\n");
Console.WriteLine("\n\nThe result are the following keys:\n\n");
foreach (var item in keys)
{
dynamic result = db.searchValue(item);
Console.Write("{0}, ", item);
dict.Add(item, result);
}
DBFactory <int, DBElement <int, string> > dbFactory = new DBFactory <int, DBElement <int, string> >(dict);
"Immutable database:".title('.');
Console.WriteLine("\n\nImmutable database is of type DBFactory, which is immutable (Found in DBFactory.cs).");
}
public void insertData(DBEngine <int, DBElement <int, string> > db)
{
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "India";
elem1.descr = "Country";
elem1.timeStamp = DateTime.Now;
elem1.children.AddRange(new List <int> {
2, 3
});
elem1.payload = "Famous cricket player";
db.insert(1, elem1);
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "Roger federer";
elem2.descr = "Tennis player";
elem2.timeStamp = DateTime.Now.AddDays(-15);
elem2.children.AddRange(new List <int> {
3
});
elem2.payload = "Famous tennis player";
db.insert(2, elem2);
DBElement <int, string> elem3 = new DBElement <int, string>();
elem3.name = "Usain Bolt";
elem3.descr = "Athelte";
elem3.timeStamp = DateTime.Now;
elem3.children.AddRange(new List <int> {
1
});
elem3.payload = "Fastest in the world";
db.insert(3, elem3);
DBElement <int, string> elem4 = new DBElement <int, string>();
elem4.name = "Saina Nehwal";
elem4.descr = "Badminton Player";
elem4.timeStamp = DateTime.Now;
elem4.children.AddRange(new List <int> {
2
});
elem4.payload = "Famous badminton player";
db.insert(4, elem4);
db.showDB();
WriteLine();
}
private void test2()
{
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);
};
int key = 0;
Func <int> keyGen = () => { ++key; return(key); };
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();
}
/*------------------------Function to get the project dependancy from the Xml file----------------*/
public void displayDependancy()
{
try
{
XDocument xmlDoc = XDocument.Load(".\\projectDependancy.xml");
var dependancy = from y in xmlDoc.Descendants("Project") //fetch values from the xml
select new DBElement <string, List <string> >()
{
key = y.Descendants("Package").FirstOrDefault().Value,
name = y.Descendants("Package").FirstOrDefault().Value,
descr = y.Descendants("Package").FirstOrDefault().Value + " dependancy packages",
children = y.Descendants("Relationship").Descendants("package").Select(package => { return(package.Value); }).ToList(),
payload = y.Descendants("Relationship").Descendants("package").Select(package => { return(package.Value); }).ToList(),
};
foreach (dynamic value in dependancy)
{
db.insert(value.key, value);
}
}
catch (Exception e)
{
Console.WriteLine("\nThe error is {0}.\n", e.Message);
}
}
public Action<Message>insert(DBEngine<int,DBElement<int,string>>db)
{
Action<Message> Insert = (msg) =>
{
XDocument doc = XDocument.Parse(msg.content);
int key = int.Parse(doc.Descendants("Msg").Descendants("Data").Descendants("key").ElementAt(0).Value);
DBElement<int, string> elem = new DBElement<int, string>();
elem.name = doc.Descendants("Msg").Descendants("Data").Descendants("value").Descendants("name").ElementAt(0).Value;
elem.descr = doc.Descendants("Msg").Descendants("Data").Descendants("value").Descendants("descr").ElementAt(0).Value;
elem.timeStamp = (DateTime)doc.Descendants("Msg").Descendants("Data").Descendants("value").Descendants("timestamp").ElementAt(0);
IEnumerable<XElement> children = doc.Descendants("Msg").Descendants("Data").Descendants("value").Descendants("children").Descendants("key");
foreach (var child in children)
elem.children.Add(int.Parse(child.Value));
IEnumerable<XElement> items = doc.Descendants("Msg").Descendants("Data").Descendants("value").Descendants("payload");
if (items.Count() == 1)
elem.payload = items.ElementAt(0).Value;
if (!db.insert(key, elem))
msg.content = "Insert fail";
else
{
msg.content = "Insert success";
Console.Write("\n\n --- insert a DBElement<int,string>---");
elem.showElement();
}
Utilities.swapUrls(ref msg);
};
return Insert;
}
public Action<Message> insert(DBEngine<string, DBElement<string, List<string>>> db)
{
Action<Message> Insert =(msg)=>
{
XDocument xml = XDocument.Parse(msg.content);
XElement element = xml.Descendants("Msg").ElementAt(0).Descendants("Data").ElementAt(0);
string key = element.Descendants("key").ElementAt(0).Value;
DBElement<string, List<string>> elem = new DBElement<string, List<string>>();
elem.name = element.Descendants("value").Descendants("name").ElementAt(0).Value;
elem.descr= element.Descendants("value").Descendants("descr").ElementAt(0).Value;
elem.timeStamp = (DateTime)element.Descendants("value").Descendants("timestamp").ElementAt(0);
IEnumerable<XElement> children = element.Descendants("value").Descendants("children").Descendants("key");
foreach(var child in children)
elem.children.Add(child.Value);
IEnumerable<XElement> items = element.Descendants("value").Descendants("payload").Descendants("item");
elem.payload = new List<string>();
foreach (var item in items)
elem.payload.Add(item.Value);
if (!db.insert(key, elem))
msg.content = "Insert fail";
else
{
msg.content = "Insert success";
Console.Write("\n\n --- insert a DBElement<string,List<string>>---");
elem.showEnumerableElement();
}
Utilities.swapUrls(ref msg);
};
return Insert;
}
public static void restoreDatabase(this DBEngine <string, DBElement <string, List <string> > > dbEngine)
{
XDocument xmlDoc = XDocument.Load(xmlLocation + restoreXmlName + ".xml");
"XML to be augumented".title('_');
Console.WriteLine("{0}", xmlDoc.ToString());
var results = xmlDoc.Descendants("element").Select(p => new DBElement <string, List <string> >
{
name = p.Descendants("name").FirstOrDefault().Value,
descr = p.Descendants("description").FirstOrDefault().Value,
payload = p.Descendants("payload").Select(q => { return(q.Value); }).ToList(),
children = p.Descendants("children").Descendants("child").Select(q => { return(q.Value); }).ToList(),
key = p.Descendants("key").FirstOrDefault().Value,
dbOperation = p.Descendants("dbOperation").FirstOrDefault().Value
});
var keys = dbEngine.Keys();
foreach (var result in results)
{
//ToDo: Check if already present in DB
dbEngine.insert(result.key, result);
//toDo: Update the persisted file with new DB contents
}
//Update Xml with new DB
toXml(dbEngine);
}
static void Main(string[] args)
{
DBEngine <string, DBElement <string, List <string> > > db = new DBEngine <string, DBElement <string, List <string> > >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
"Demonstrating Requirement #2".title();
DBElement <string, List <string> > elem = new DBElement <string, List <string> >();
elem.name = "element";
elem.descr = "test element";
elem.timeStamp = DateTime.Now.AddDays(-4);
elem.children.AddRange(new List <string> {
"1", "2", "3 "
});
elem.payload = new List <string> {
"elem's payload"
};
WriteLine("\n Item to be inserted.. \n");
elem.showEnumerableElement();
db.insert("1", elem);
db.showEnumerableDB();
WriteLine();
WriteLine("\n Inserting second element into DB :");
DBElement <string, List <string> > elem2 = new DBElement <string, List <string> >();
elem2.name = "element2";
elem2.descr = "test element2";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <string> {
"1", "2", "3", "4"
});
elem2.payload = new List <string> {
"elem's payload"
};
WriteLine("\nItem to be inserted.. \n");
elem2.showElement();
db.insert("2", elem2);
WriteLine("\n\n DB after insertion:");
db.showEnumerableDB();
"Persisting the database to XML:".title('_');
db.toXml();
"Augumenting database from XML".title('_');
db.restoreDatabase();
db.showEnumerableDB();
}
private void test1()
{
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();
}
private void test3()
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
//---------------Search for data with specified time interval---------------
"Search for data with specified time interval:".title('.');
WriteLine("\n\n Elements in DB :");
var elem = new DBElement <int, string>();
elem.name = "old element";
elem.descr = "old test element";
elem.timeStamp = DateTime.Now.AddDays(-3);
elem.children.AddRange(new List <int> {
85, 27, 65
});
elem.payload = "old elem's payload";
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "old2 element";
elem1.descr = "old2 test element";
elem1.timeStamp = DateTime.Now.AddDays(-2);
elem1.children.AddRange(new List <int> {
11, 12, 13
});
elem1.payload = "old2 elem's payload";
WriteLine("\n\n Search for Key which is created between {0} and {1}:\n\n", DateTime.Now.AddDays(-5).Date, DateTime.Now.AddDays(-1).Date);
db.insert(99, elem);
db.insert(50, elem1);
db.showDB();
WriteLine();
var resultkeys = db.searchForTimeStamp(DateTime.Now.AddDays(-5), DateTime.Now.AddDays(-1));
WriteLine("\n\nThe result is:\n\n");
foreach (var item in resultkeys)
{
Write("{0}, ", item);
}
//---------------Search for data with specified time interval---------------
}
public void getDatafromXML(DBEngine <string, DBElement <string, List <string> > > dbEngine, String inputFile)
{
XDocument document = new XDocument();
String fileName = "";
fileName = inputFile;
try { document = XDocument.Load(fileName); }
catch (Exception e) { Console.WriteLine("Please check the XML file used for augmentation"); }
IEnumerable <XElement> elem = document.Descendants("elements");
try
{
for (int i = 0; i < elem.Elements().Count(); i++)
{
DBElement <string, List <string> > dbElement = new DBElement <string, List <string> >();
string key = elem.Elements().Attributes().ElementAt(i).Value;
for (int count = 0; count < elem.Elements().Attributes().ElementAt(i).Parent.Descendants().Count(); count++)
{
XElement elementRecord = elem.Elements().Attributes().ElementAt(i).Parent.Descendants().ElementAt(count);
if (elementRecord.Name.ToString().Equals("name"))
{
dbElement.name = elementRecord.Value;
}
else if (elementRecord.Name.ToString().Equals("desc"))
{
dbElement.descr = elementRecord.Value;
}
else if (elementRecord.Name.ToString().Equals("time"))
{
dbElement.timeStamp = DateTime.Parse(elementRecord.Value);
}
else if (elementRecord.Name.ToString().Equals("children"))
{
List <string> children = new List <string>();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
children.Add(elementRecord.Descendants().ElementAt(j).Value);
}
dbElement.children = children;
}
else if (elementRecord.Name.ToString().Equals("payload"))
{
List <string> payload = new List <string>();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
payload.Add(elementRecord.Descendants().ElementAt(j).Value);
}
dbElement.payload = payload;
}
}
dbEngine.insert(key, dbElement);
}
}
catch (Exception e) { Console.WriteLine("Please check the xml file"); }
}
static void Main(string[] args)
{
//test stun for persist engine
"Testing PersistEngine Package".title();
WriteLine();
PersistEngine <int, string> persistEngine = new PersistEngine <int, string>();
"Testing Persist Engine Package".title('=');
DBElement <int, string> elem = new DBElement <int, string>();
DBEngine <int, DBElement <int, string> > dbEngine = new DBEngine <int, DBElement <int, string> >();
//creating metdata
"Metadata with data dictionary is ".title();
elem.name = "X";
elem.descr = "description";
elem.timeStamp = DateTime.Parse("09/20/2015 11:36:58 PM");
elem.children = new List <int> {
2, 3, 4
};
elem.payload = "payload";
dbEngine.insert(1, elem);
elem = new DBElement <int, string>();
elem.name = "XX";
elem.descr = "description";
elem.timeStamp = DateTime.Now;
elem.children = new List <int> {
5, 6, 7
};
elem.payload = "payload";
dbEngine.insert(12, elem);
dbEngine.showDB();
//persisting metadata into XML
"Write in-memory database in XML file, please check DataPersistTest.xml file in Path:./PersistEngine/bin/debug.".title('-');
persistEngine.persistXML(dbEngine);
"Deleting in-memory database".title('-');
dbEngine.Dictionary.Clear();
"Database restored or augmented from an existing XML (DataPersistTest.xml) file".title('-');
persistEngine.retrieveDataFromXMLTypeTwo(dbEngine, "DataPersistTest.xml", 10);
dbEngine.showDB();
WriteLine();
Write("\n\n");
}
//----< process add message request >-----
public string processAddMessage(XDocument xdoc)
{
string content = "";
int type = getKeyValueType(xdoc);
if (type == 1)
{
DBElement <string, List <string> > element = new DBElement <string, List <string> >();
string key = createAddDBElement(xdoc, out element);
if (db.insert(key, element))
{
content = key + " record is inserted Successfully.";
}
else
{
content = key + " record is not inserted.";
}
}
return(content);
}
//<------------performs insert operation on database and generates response msg accordingly
XElement insert_elem <Key, Data>(XElement request_msg, DBEngine <Key, DBElement <Key, Data> > db)
{
Console.Write("\n Request to Insert DB Element");
XElement response_msg = new XElement("Query_Response");
XElement type = new XElement("Query_Type", "Insert");
XElement result = new XElement("Result", "Could not insert element");
try {
string name = request_msg.Element("Name").Value;
string descr = request_msg.Element("Description").Value;
string payload = request_msg.Element("Payload").Value;
Key k = (Key)Convert.ChangeType(request_msg.Element("Key").Value, typeof(Key));
Console.WriteLine(" with key - {0}", k);
DBElement <Key, Data> elem = new DBElement <Key, Data>();
elem.name = name;
elem.descr = descr;
bool children_present = false;
List <Key> child_list = new List <Key>();
if (request_msg.Element("Children") != null)
{
children_present = true;
foreach (var child_key in request_msg.Element("Children").Elements("Key"))
{
child_list.Add((Key)Convert.ChangeType(child_key.Value, typeof(Key)));
}
}
if (children_present)
{
elem.children = child_list;
}
elem.payload = (Data)Convert.ChangeType(payload, typeof(Data));
bool operation_result = db.insert(k, elem);
if (operation_result)
{
result = new XElement("Result", "DB Element inserted successfully into database.");
}
else
{
result = new XElement("Result", "Could not insert element into database");
}
response_msg.Add(type);
response_msg.Add(result);
return(response_msg);
}
catch (Exception ex)
{
Console.WriteLine("\n XML file for request message is not in the expected format. A particular tag could not be found.\n Exception = {0}", ex);
result = new XElement("Result", "Could not insert element into database");
response_msg.Add(type);
response_msg.Add(result);
return(response_msg);
}
}
static void Main(string[] args)
{
"Testing DBEngine Package".title('=');
WriteLine();
Program p1 = new Program();
p1.testDBlement();
p1.testDBElementenurmableData();
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>();
Write("\n\n");
}
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:");
}
}
public void restoreData(DBEngine <string, DBElement <string, List <string> > > dbEngine, String inputFile)
{
XDocument document = new XDocument();
String fileName = inputFile;
document = XDocument.Load(fileName);
IEnumerable <XElement> elem = document.Descendants("elements");
for (int i = 0; i < elem.Elements().Count(); i++)
{
DBElement <string, List <string> > dbElement = new DBElement <string, List <string> >();
string key = elem.Elements().Attributes().ElementAt(i).Value;
for (int count = 0; count < elem.Elements().Attributes().ElementAt(i).Parent.Descendants().Count(); count++)
{
XElement elementRecord = elem.Elements().Attributes().ElementAt(i).Parent.Descendants().ElementAt(count);
if (elementRecord.Name.ToString().Equals("name"))
{
dbElement.name = elementRecord.Value;
}
else if (elementRecord.Name.ToString().Equals("desc"))
{
dbElement.descr = elementRecord.Value;
}
else if (elementRecord.Name.ToString().Equals("time"))
{
dbElement.timeStamp = DateTime.Parse(elementRecord.Value);
}
else if (elementRecord.Name.ToString().Equals("children"))
{
List <string> children = new List <string>();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
children.Add(elementRecord.Descendants().ElementAt(j).Value);
}
dbElement.children = children;
}
else if (elementRecord.Name.ToString().Equals("payload"))
{
List <string> payload = new List <string>();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
payload.Add(elementRecord.Descendants().ElementAt(j).Value);
}
dbElement.payload = payload;
}
}
dbEngine.insert(key, dbElement);
}
}
public void processAddMsg(XDocument xdoc, Sender sndr, Message msg)
{
DBElement <string, List <string> > element = new DBElement <string, List <string> >();
string key = createAddDBElement(xdoc, out element);
Message testMsg = new Message();
testMsg.toUrl = msg.toUrl;
testMsg.fromUrl = msg.fromUrl;
if (db.insert(key, element))
{
msg.content = "\n\n*****************************\nKey = " + key + " is inserted Successfully.\n\n";
}
else
{
msg.content = "\n******************************\n" + key + " record is not inserted.\n\n";
}
Util.swapUrls(ref msg);
sndr.sendMessage(msg);
}
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";
elem1.children = new List <int> {
1, 2, 3, 4
};
Write(elem1.showMetaData <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();
"Test db of scalar elements".title();
WriteLine();
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();
/* ElementFormatter is not ready for prime time yet */
//Write(ElementFormatter.formatElement(elem1.showElement<int, string>(), false));
}
Write("\n --- Test DBEngine<int,DBElement<int,string>> ---");
WriteLine();
int key = 0;
Func <int> keyGen = () => { ++key; return(key); };
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();
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"
};
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");
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");
}
private void test2()
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >();
ItemFactory <int, string> itemFactory = new ItemFactory <int, string>();
//------------Search for Keys with pattern---------------------
"Search for keys with a pattern:".title('.');
WriteLine("\n\n Elements in DB :");
DBElement <string, List <string> > elemString = new DBElement <string, List <string> >();
elemString.name = "element";
elemString.descr = "test element";
elemString.timeStamp = DateTime.Now;
elemString.children.AddRange(new List <string> {
"Martin", "Nitish", "Michelle"
});
elemString.payload = new List <string> {
"elem's payload", "sample payload"
};
dbString.insert("Name", elemString);
DBElement <string, List <string> > elemString1 = new DBElement <string, List <string> >();
elemString1.name = "element";
elemString1.descr = "test element";
elemString1.timeStamp = DateTime.Now;
elemString1.children.AddRange(new List <string> {
"Syracuse", "Boston", "Mysore"
});
elemString1.payload = new List <string> {
"elem's payload", "sample payload"
};
dbString.insert("Cities", elemString1);
dbString.showEnumerableDB();
string keyPattern = "^C";
WriteLine("\n\nSearching for Keys with pattern: {0}\n", keyPattern);
dynamic keys = dbString.searchForKeyPattern(keyPattern);
WriteLine("\n\nMatched keys : \n");
foreach (var item in keys)
{
Write("{0}, ", item);
}
//------------Search for Keys with pattern---------------------
//------------Search for specified string in metadata---------------------
"Search for specified string in metadata:".title('.');
WriteLine("\n\n Elements in DB :");
db.showDB();
string searchString = "element3";
WriteLine("\n\n\nSearch string : {0}", searchString);
WriteLine("\n\nSearching for specified string in metadata: \n\n", searchString);
var matchedKeys = db.searchMetadata(searchString);
foreach (var matchedKey in matchedKeys)
{
Write("{0}, ", matchedKey);
}
//------------Search for specified string in metadata---------------------
}
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>();
Write("\n\n");
}
/// <summary>
/// Queries the database.
/// </summary>
/// <param name="input">The input.</param>
/// <returns></returns>
public String QueryDatabase(String input)
{
String result = String.Empty;
var dbElement = ParseXml(input);
switch (dbElement.dbOperation)
{
case "Add":
db.insert(dbElement.key, dbElement);
result = "Key " + dbElement.key + " inserted successfully!";
break;
case "Edit":
db.replaceKeyInstance(dbElement.key, dbElement);
result = "Key " + dbElement.key + "'s value modified successfully!";
break;
case "Delete":
if (db.delete(dbElement.key))
{
result = "Key " + dbElement.key + " deleted successfully!";
}
else
{
result = "Key " + dbElement.key + " not found!!";
}
break;
case "SearchChild":
var children = db.searchChildren(dbElement.key);
result = "Children are " + string.Join(", ", children.ToArray());
break;
case "Search":
var value = db.searchValue(dbElement.key);
if (value != null)
{
result = "Key " + dbElement.key + " found!!!!!\n\n";
result += value.showEnumerableElement();
}
else
{
result = "Key " + dbElement.key + " not found!!";
}
break;
case "Persist":
db.toXml();
result = "Database persisted successfully";
break;
case "Restore":
db.restoreDatabase();
result = "Database successfully restored!!";
break;
default: break;
}
string dbView = db.showEnumerableDB();
"\nDB Contents:\n".title();
result += dbView;
return(result);
}
//-------< Read the XML File from the path provided and load it to the database. >--------
public void loadDB <Key, Value, Data>(DBEngine <Key, Value> db, string file_name)
{
try {
XDocument xml = XDocument.Load(file_name);
XElement root = xml.Element("NoSqlDb");
if (String.Compare(root.Element("KeyType").Value, typeof(Key).ToString()) == 0)
{
if (String.Compare(root.Element("PayloadType").Value, typeof(Data).ToString()) == 0)
{
foreach (var kv_pair in root.Elements("Key-Value-Pair"))
{
try
{
XElement xml_dbElement = kv_pair.Element("Element");
Key k = (Key)Convert.ChangeType(kv_pair.Element("Key").Value, typeof(Key));
DBElement <Key, Data> elem = new DBElement <Key, Data>();
elem.name = xml_dbElement.Element("Name").Value;
elem.descr = xml_dbElement.Element("Descr").Value;
elem.timeStamp = DateTime.Parse(xml_dbElement.Element("timestamp").Value);
if (xml_dbElement.Element("payload") != null)
{
elem.payload = (Data)Convert.ChangeType(xml_dbElement.Element("payload").Value, typeof(Data));
}
bool children_present = false;
List <Key> child_list = new List <Key>();
if (xml_dbElement.Element("Children") != null)
{
children_present = true;
foreach (var child_key in xml_dbElement.Element("Children").Elements("Key"))
{
child_list.Add((Key)Convert.ChangeType(child_key.Value, typeof(Key)));
}
}
if (children_present)
{
elem.children = child_list;
}
Value val = (Value)Convert.ChangeType(elem, typeof(Value));
db.insert(k, val);
}
catch (Exception) {
WriteLine("\n XML elements of a particular DBElement is not in the expected format. A particular tag could not be found.");
WriteLine(" Cannot add this DBElement to database. Skipping to parsing of the next DBElement.");
}
}
}
else
{
WriteLine("The payload type of database is not same as the payload type of elements in XML file.");
}
}
else
{
WriteLine("The Key-type of database is different from the Key-type present in XML file. Cannot Load database.");
}
}
catch (Exception ex) {
WriteLine("\n XML file is not in the expected format. A particular tag could not be found.");
WriteLine(" Cannot load the XML file to database. ex = {0}", ex);
}
}
static void Main(string[] args)
{
"Testing DBExtensions Package".title('=');
WriteLine();
DBElement <int, string> elem1 = new DBElement <int, string>("Element-7", "Description of Element-7");
elem1.payload = "Payload of element-7.";
elem1.children.AddRange(new List <int> {
8, 9
});
DBElement <int, string> elem2 = new DBElement <int, string>("Element-8", "Description of Element-8");
//elem2.payload = "Payload of element-8.";
DBElement <int, string> elem3 = new DBElement <int, string>("Element-9", "Description of Element-9");
elem3.payload = "Payload of element-3.";
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
db.insert(7, elem1);
db.insert(8, elem2);
db.insert(9, elem3);
Write(" Created a new dataBase with following contents:");
db.showDB();
WriteLine("\n\n Now going to persist the database contents to an XML file.");
PersistEngine pe = new PersistEngine();
string file_name = pe.persistDB <int, DBElement <int, string>, string>(db);
WriteLine(" Database contents are saved as - {0}", file_name);
WriteLine("\n Going to remove all DB elements and load the xml file saved above.");
db.remove(7);
db.remove(8);
db.remove(9);
WriteLine(" DB contents before calling load-DB");
db.showDB();
WriteLine(" Now send command to load database from the XML file.");
pe.loadDB <int, DBElement <int, string>, string>(db, file_name);
Write(" DB contents after calling load-DB ");
db.showDB();
DBEngine <string, DBElement <string, List <string> > > db2 = new DBEngine <string, DBElement <string, List <string> > >();
Write("\n\n --- DBElement<string,List<string>> ---");
DBElement <string, List <string> > elem_str = new DBElement <string, List <string> >();
elem_str.name = "Element-One";
elem_str.descr = "DB Element whose key type is string and payload type is List of strings.";
elem_str.timeStamp = DateTime.Now;
elem_str.children = new List <string> {
"Two", "Three", "Four"
};
elem_str.payload = new List <string> {
"Element payload is of type List of strings.", "This is string two.", "And third"
};
elem_str.showEnumerableElement();
db2.insert("One", elem_str);
Write("\n\n --- DBEngine<string,List<string>> ---");
db2.showEnumerableDB();
XElement noSqlDb = new XElement("NoSqlDb");
XElement keyType = new XElement("KeyType", typeof(int));
XElement payloadType = new XElement("PayloadType", typeof(string));
XElement request_msg = new XElement("Request_Message");
XElement req_type = new XElement("Request_Type", "Insert");
XElement key = new XElement("Key", 45);
XElement name = new XElement("Name", "element_one");
XElement descr = new XElement("Description", "Descr of element_one");
XElement payload = new XElement("Payload", "This the payload of element one.");
request_msg.Add(req_type);
request_msg.Add(key);
request_msg.Add(name);
request_msg.Add(descr);
request_msg.Add(payload);
Console.WriteLine("Message = \n{0}", request_msg.ToString());
XElement Rmsg = XElement.Parse(request_msg.ToString());
string Rtype = Rmsg.Element("Request_Type").Value;
Console.WriteLine("Request type = {0}", Rtype);
XElement abc = new XElement("dummy");
XElement result = new XElement("Result", "Success");
//Console.WriteLine("abc= {0}\nresult = {1}\n", abc.ToString(), result.ToString());
//abc = result;
Console.WriteLine("abc= {0}\nresult = {1}", abc.ToString(), result.ToString());
int k = 5;
string ts = "Could not find element with key " + k.ToString() + " in database";
//XElement tst = new XElement("Result", "Could not find element with key {0} in database", k);
XElement tst = new XElement("Result", ts);
Console.WriteLine("tst = {0}", tst.ToString());
XElement qry = new XElement("Query_Response");
XElement par = new XElement("Partial", "This is \njust payload");
qry.Add(tst);
qry.Add(par);
Console.WriteLine("qry = \n{0}", qry.ToString());
Console.WriteLine("value of qry response =\n{0}", qry.Value.ToString());
//noSqlDb.Add(keyType);
//noSqlDb.Add(payloadType);
//Console.WriteLine("\nString mesage = \n{0}", noSqlDb.ToString());
//string xml_string = noSqlDb.ToString();
//XElement abc = XElement.Parse(xml_string);
//XElement root = abc.Element("KeyType");
//Console.WriteLine("abc= {0}", abc.ToString());
//Console.WriteLine("root= {0}", root.ToString());
//elem.name = xml_dbElement.Element("Name").Value;
//string par = root.Value;
//Console.WriteLine("par = {0}", par);
}
static void Main(string[] args)
{
"Testing ItemEditor Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
DBElement <int, string> elem1 = new DBElement <int, string>("Element-1", "Description of Element-1");
elem1.payload = "Payload of element-1.";
elem1.children.AddRange(new List <int> {
9, 10, 11
});
DBElement <int, string> elem2 = new DBElement <int, string>("Element-2", "Description of Element-2");
elem2.payload = "Payload of element-2.";
DBElement <int, string> elem3 = new DBElement <int, string>("Element-3", "Description of Element-3");
elem3.payload = "Payload of element-3.";
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
db.insert(1, elem1);
db.insert(2, elem2);
db.insert(3, elem3);
db.showDB();
Write("\n\n Going to test adding of relationship to DB-elements: Element-1 and Element-2");
bool add1 = db.addRelation <int, DBElement <int, string>, string>(1, 2);
bool add2 = db.addRelation <int, DBElement <int, string>, string>(2, 3);
bool add3 = db.addRelation <int, DBElement <int, string>, string>(2, 17);
//add3 will be equal to false because we cannot add a child key(17) if it is not present in the database.
db.showDB();
if (add1 && add2 && add3)
{
Write("\n Adding relationship to all items successded.");
}
else
{
Write("\n Adding relationship failed in one of the cases.");
}
Write("\n\n Now going to test removing of relationship in DB-element: Element-1.");
bool rem1 = db.removeRelation <int, DBElement <int, string>, string>(1, 10);
bool rem2 = db.removeRelation <int, DBElement <int, string>, string>(1, 15);
//The above case will fail because key-15 is not present in children list of Element-1.
db.showDB();
if (rem1 && rem2)
{
Write("\n Deleting of relationship to both items successded.");
}
else
{
Write("\n Deleting of relationship failed in one of the cases.");
}
Write("\n\n Now going to test edition of name, description and replacing instance of payload with new instance in element1.");
bool ed_name1 = db.editName <int, DBElement <int, string>, string>(1, "Elemen1_Renamed.");
bool ed_descr = db.editDescr <int, DBElement <int, string>, string>(1, "New description for element 1.");
bool ed_inst = db.editInstance <int, DBElement <int, string>, string>(1, "New instance of payload for element-1.");
db.showDB();
Write("\n\n --- Test DBElement<string,List<string>> ---");
DBElement <string, List <string> > new_elem1 = new DBElement <string, List <string> >("Element-One", "Description of Element-One");
new_elem1.payload = new List <string> {
"First string in payload of Element-One", "Second string in payload of Element-One", "Third string"
};
new_elem1.children.AddRange(new List <string> {
"Nine", "Ten", "Eleven"
});
DBElement <string, List <string> > new_elem2 = new DBElement <string, List <string> >("Element-Two", "Description of Element-Two");
new_elem2.payload = new List <string> {
"First string in payload of Element-Two", "Mars", "Venus"
};
DBElement <string, List <string> > new_elem3 = new DBElement <string, List <string> >("Element-Three", "Description of Element-Three");
new_elem3.payload = new List <string> {
"First string in payload of element-3", "Beta", "Gamma"
};
DBEngine <string, DBElement <string, List <string> > > new_db = new DBEngine <string, DBElement <string, List <string> > >();
new_db.insert("One", new_elem1);
new_db.insert("Two", new_elem2);
new_db.insert("Three", new_elem3);
new_db.showEnumerableDB();
Write("\n\n Going to test adding of relationship to DB-elements: Element-One and Element-Two");
bool a1 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("One", "Two");
bool a2 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("Two", "Three");
bool a3 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("Three", "Not_presnet");
//a3 will be false because we are trying to add a key that is not present in the database.
new_db.showEnumerableDB();
if (a1 && a2 && a3)
{
Write("\n Adding relationship to all items successded.");
}
else
{
Write("\n Adding relationship failed in one of the cases.");
}
Write("\n\n Now going to test removing of relationships in DB-element: Element-One");
bool r1 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Nine");
bool r2 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Not_present");
//r2 will be false because we are trying to remove a relationship in element one which is not even presnet.
new_db.showEnumerableDB();
if (r1 && r2)
{
Write("\n Deleting of relationships successded in both cases.");
}
else
{
Write("\n Deleting of relationship failed in one of the cases.");
}
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();
}
