static void Main(string[] args)
{
"Testing Persist Engine Package".title('=');
DBEngine <int, DBElement <int, ListOfStrings> > db1 = new DBEngine <int, DBElement <int, ListOfStrings> >();
PersistData <int, ListOfStrings> persistEngine1 = new PersistData <int, ListOfStrings>();
"Write in-memory database in XML file, please check DataPersistTest.xml file.".title('-');
persistEngine1.loadXmlFile("DataPersistTest.xml", typeof(int).Name, typeof(ListOfStrings).Name);
if (!persistEngine1.addRecord(1, db1.Dictionary[1]))
{
WriteLine("Key 1 is already in xml file.");
}
else
{
WriteLine("Key 1 is inserted in xml file.");
}
if (!persistEngine1.addRecord(2, db1.Dictionary[2]))
{
WriteLine("Key 2 is already in xml file.");
}
else
{
WriteLine("Key 2 is inserted in xml file.");
}
if (!persistEngine1.addRecord(4, db1.Dictionary[4]))
{
WriteLine("Key 4 is already in xml file.");
}
else
{
WriteLine("Key 4 is inserted in xml file.");
}
if (!persistEngine1.addRecord(2, db1.Dictionary[4]))
{
WriteLine("Key 4 is already in xml file.");
}
else
{
WriteLine("Key 4 is inserted in xml file.");
}
"Database restored or augmented from an existing XML (Data1.xml) file".title('-');
DBEngine <int, DBElement <int, ListOfStrings> > augmentData = new DBEngine <int, DBElement <int, ListOfStrings> >();
persistEngine1.retrieveDataFromXML(augmentData, "DataPersistTest.xml");
augmentData.showDB();
WriteLine();
}
// This function will edit payload details in metadata of item.
public bool editPayloadByListOfString(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key, List <string> payload)
{
if (dbEngine.Dictionary.Keys.Contains(key))
{
dbElement = dbEngine.Dictionary[key];
clone();
dbElementCloned.payload.theWrappedData = payload;
editDictionary(ref dbEngine, key);
return(true);
}
else
{
return(false);
}
}
// This function will edit children details in item's metadata. New description will be provide in function argument.
public bool editByChild(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key, List <Key> children)
{
if (dbEngine.Dictionary.Keys.Contains(key))
{
dbElement = dbEngine.Dictionary[key];
clone();
dbElementCloned.children = children;
editDictionary(ref dbEngine, key);
return(true);
}
else
{
return(false);
}
}
// This function will edit time in item's metadata. New time will be provide in function argument.
public bool editByTime(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key, DateTime newTime)
{
if (dbEngine.Dictionary.Keys.Contains(key))
{
dbElement = dbEngine.Dictionary[key];
clone();
dbElementCloned.timeStamp = newTime;
editDictionary(ref dbEngine, key);
return(true);
}
else
{
return(false);
}
}
static void Main(string[] args)
{
DBEngine <string, DBElement <string, List <string> > > dbRead = new DBEngine <string, DBElement <string, List <string> > >();
ReadXml <string> test = new ReadXml <string>();
DBEngine <string, DBElement <string, List <string> > > dbPay = new DBEngine <string, DBElement <string, List <string> > >();
DBEngine <int, DBElement <int, List <string> > > db = new DBEngine <int, DBElement <int, List <string> > >();
ReadXml <string> test2 = new ReadXml <string>();
ReadXml <int> test1 = new ReadXml <int>();
test1.readXml(db);
Console.WriteLine(); Console.WriteLine();
db.showEnumerableDB();
dbPay.showEnumerableDB();
WriteLine();
}
// This function will edit description in item's metadata. New description will be provide in function argument.
public bool editByDescr(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key, String descr)
{
if (dbEngine.Dictionary.Keys.Contains(key))
{
dbElement = dbEngine.Dictionary[key];
clone();
dbElementCloned.descr = descr;
editDictionary(ref dbEngine, key);
return(true);
}
else
{
return(false);
}
}
public bool editChildern(Key key, string attribute, List <Key> newValue, DBEngine <Key, DBElement <Key, string> > db)
{
bool test = db.getValue(key, out elem);
if (!test)
{
return(false);
}
else
{
elem.children = newValue;
db.insert(key, elem);
}
return(true);
}
public bool editPayload(Key key, string attribute, List <string> newValue, DBEngine <Key, DBElement <Key, List <string> > > db)
{
bool test = db.getValue(key, out elemPay);
if (!test)
{
return(false);
}
else
{
elemPay.payload = newValue;
db.insert(key, elemPay);
}
return(true);
}
/*
* Retrive data from xml file. augmented in DBEngine.
*/
public void retrieveDataFromXML(DBEngine <int, DBElement <int, ListOfStrings> > dbEngine, String inputFile)
{
fileName = inputFile;
var elem = from c in document.Descendants("elements") select c;
for (int i = 0; i < elem.Elements().Count(); i++)
{
DBElement <int, ListOfStrings> dbElement = new DBElement <int, ListOfStrings>();
int key = Int32.Parse(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 <int> children = new List <int>();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
children.Add(Int32.Parse(elementRecord.Descendants().ElementAt(j).Value));
}
dbElement.children = children;
}
else if (elementRecord.Name.ToString().Equals("payload"))
{
ListOfStrings payload = new ListOfStrings();
for (int j = 0; j < elementRecord.Descendants().Count(); j++)
{
payload.theWrappedData.Add(elementRecord.Descendants().ElementAt(j).Value);
}
dbElement.payload = payload;
}
}
dbEngine.Dictionary.Add(key, dbElement);
}
}
public void scheduledSave(DBEngine <Key, DBElement <Key, List <string> > > db)
{
//Setting scheduler parameters
scheduler.Interval = 1000;
scheduler.AutoReset = true;
scheduler.Elapsed += (object source, ElapsedEventArgs e) =>
{
Console.WriteLine("\nScheduled Save started at {0}", e.SignalTime);
PE.createXML(db); //Calling persist engine to create a XML
};
scheduler.Enabled = true;
Console.ReadKey();
Console.Write("Persisted database into XML -----\n\n");
Console.WriteLine("\nXML Saved @/bin/Debug");
Console.WriteLine("\nPlease open the XML file in the specified path to see the contents\n\n");
Console.WriteLine();
}
/*----------------------------------Category implementation----------------------------*/
public List <string> getKeyForCategory(DBEngine <string, DBElement <string, List <string> > > dbCat, List <string> category)
{
dynamic keys = dbCat.Keys();
List <string> matchedKeys = new List <string>();
foreach (var cat in category)
{
foreach (var key in keys)
{
if (cat == key)
{
matchedKeys.Add(key);
}
}
}
return(matchedKeys);
}
static void Main(string[] args)
{
"Testing Scheduler package".title();
//Loading DB for testing
DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >();
DBElement <string, List <String> > elemString = new DBElement <string, List <String> >();
elemString.name = "Element2";
elemString.descr = "testelement2";
elemString.timeStamp = DateTime.Now;
elemString.children.AddRange(new List <string> {
"SMA1", "Syracuse2", "NY3"
});
elemString.payload = new List <string>();
elemString.payload.AddRange(new List <string> {
"we", "rock", "the ", "world"
});
dbString.insert("Prohject2", elemString);
DBElement <string, List <String> > elemString2 = new DBElement <string, List <String> >();
elemString2.name = "Element3";
elemString2.descr = "test element3";
elemString2.timeStamp = DateTime.Now;
elemString2.children.AddRange(new List <string> {
"SMA2", "Syracuse22", "NY33"
});
elemString2.payload = new List <string>();
elemString2.payload.AddRange(new List <string> {
"Thug", "Life"
});
dbString.insert("Thug3", elemString2);
Scheduler <string> sch = new Scheduler <string>();
sch.scheduledSave(dbString);
}
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");
}
// This function will edit children index details in item's metadata.
public bool editByChildIndex(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key, int index, Key childKey)
{
if (dbEngine.Dictionary.Keys.Contains(key))
{
dbElement = dbEngine.Dictionary[key];
clone();
List <Key> childrens = dbElementCloned.children;
if (index < childrens.Count)
{
childrens[index - 1] = childKey;
dbElement.children = childrens;
editDictionary(ref dbEngine, key);
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
/*--------------Constructor where keys obtained from a query result are stored to a dictionary---------*/
public QueryEngine(DBEngine <Key, Value> dbEngine)
{
db = dbEngine;
}
public QueryEngine(DBEngine <Key, DBElement <Key, Value> > dbEngine)
{
db = dbEngine;
}
static void Main(string[] args)
{
"Testing PersistEngine Package".title('=');
WriteLine();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
"\nSave to an XML file".title();
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();
dynamic allKeys = db.Keys();
PersistEngine <int, DBElement <int, string> > pEngine = new PersistEngine <int, DBElement <int, string> >(db);
pEngine.persistToXML(allKeys);
WriteLine("\n\nAbove database is stored as XML file in local machine");
WriteLine();
WriteLine("\nThe persisted XML file along with new key/value pairs are augmented to the database.\n");
WriteLine("Below shown key/value pairs are augmented to the database.\n");
pEngine.augmentDatabaseFromXML(db); //Augment the persisted database along with new values to the main database
pEngine.persistToXML(allKeys);
db.showDB();
WriteLine();
WriteLine();
"\nPersist database every 5 seconds until its cancelled".title();
WriteLine();
pEngine.scheduledSaveDatabase();
WriteLine();
WriteLine();
"\nProject dependancy and realtionships".title();
WriteLine();
DBEngine <string, DBElement <string, List <string> > > dependancyDb = new DBEngine <string, DBElement <string, List <string> > >();
PersistEngine <string, DBElement <string, List <string> > > pEngineString = new PersistEngine <string, DBElement <string, List <string> > >(dependancyDb);
try
{
Console.WriteLine("\nBelow details provide information on dependancy of every package in the project\n");
pEngine.displayDependancy();
dependancyDb.showEnumerableDB();
WriteLine();
}
catch (Exception e)
{
WriteLine("\n" + e.Message + "\n");
}
}
static void Main(string[] args)
{
"Testing QueryProcessing Package".title('=');
WriteLine();
DBEngine <int, DBElement <int, ListOfStrings> > db1 = new DBEngine <int, DBElement <int, ListOfStrings> >();
DBElement <int, ListOfStrings> elem1 = new DBElement <int, ListOfStrings>();
elem1.name = "1st Key/Value = Int/ListOfStrings";
elem1.descr = "This is first element of Int/ListOfStrings key value pair.";
elem1.timeStamp = DateTime.Now;
elem1.children.AddRange(new List <int> {
100, 101, 102, 103, 104, 105
});
elem1.payload = new ListOfStrings();
elem1.payload.theWrappedData = new List <string> {
"CSE681", "SMA", "C#.net", "AI"
};
db1.insert(1, elem1);
DBElement <int, ListOfStrings> elem2 = new DBElement <int, ListOfStrings>();
elem2.name = "element int-ListOfString 2";
elem2.descr = "test element int-ListOfString 2";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
10, 22, 23, 24, 25, 26
});
elem2.payload = new ListOfStrings();
elem2.payload.theWrappedData = new List <string> {
"CSE6812", "SMA2", "C#.net2", "AI2"
};
db1.insert(2, elem2);
WriteLine(" Query : value of key = 2");
QueryProcessEngine <int, ListOfStrings> queryEngine = new QueryProcessEngine <int, ListOfStrings>(db1);
DBElement <int, ListOfStrings> result;
queryEngine.processValueQuery(14, out result);
result.showElement();
WriteLine(" Query : Children of key = 1");
List <int> childrens;
queryEngine.processChildrenQuery(1, out childrens);
foreach (var item in childrens)
{
WriteLine(item);
}
WriteLine();
"The set of all keys matching a specified pattern which defaults to all keys.".title('-');
Dictionary <int, DBElement <int, ListOfStrings> > results;
queryEngine.processPatternMatchInKeysQuery(queryEngine.defineQueryKeyPatternSearch("1"), out results);
DBFactory <int, DBElement <int, ListOfStrings> > dbFactory = new DBFactory <int, DBElement <int, ListOfStrings> >(results);
dbFactory.showDBFactory();
WriteLine();
"All keys that contain a specified string in their metadata section.".title('-');
results.Clear();
queryEngine.processPatternMatchInMetaDataQuery(queryEngine.defineQueryValuePatternSearch("Scheduler"), out results);
dbFactory = new DBFactory <int, DBElement <int, ListOfStrings> >(results);
dbFactory.showDBFactory();
WriteLine();
"All keys that contain values written within a specified time-date interval".title('-');
DateTime dt1 = new DateTime(1990, 6, 14, 0, 0, 0);
DateTime dt2 = new DateTime(1990, 6, 17, 0, 0, 0);
results.Clear();
queryEngine.processTimeIntervalQuery(queryEngine.defineTimeStampQuery(dt1, dt2), out results);
dbFactory.showDBFactory();
}
static void Main(string[] args)
{
"Testing ItemEditor Package".title('=');
WriteLine();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
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();
ItemEditor <int, DBElement <int, string> > iEditor = new ItemEditor <int, DBElement <int, string> >(db);
"\n1) Editing metadata".title();
"\nBefore editing metadata for key 1".title();
db.showDB();
WriteLine();
"\nAfter editing metadata for key 1".title();
iEditor = new ItemEditor <int, DBElement <int, string> >(db);
iEditor.editMetaData(1, "Sachin Tendulkar", "Cricket player"); //send the values to be edited to the editMetaData() function
db.showDB();
WriteLine();
WriteLine();
"\n2) Adding children".title();
"\nBefore adding relationship(children) for key 1".title();
db.showDB();
WriteLine();
"\nAfter adding relationship(children) for Key 1".title();
iEditor.addrelationships(1, new List <int> {
3
}); //send a new list with children to be added to a key
db.showDB();
WriteLine();
WriteLine();
"\n3) Deleting children".title();
"\nBefore deleting relationship(children) for key 1".title();
db.showDB();
WriteLine();
"\nAfter deleting relationship(children) to Key 1".title(); //send a new list with children to be deleted from a key
iEditor.deleteRelationships(1, new List <int> {
3
});
db.showDB();
WriteLine();
WriteLine();
"\n4) Replacing value instance".title();
DBElement <int, string> elem = new DBElement <int, string>(); //create a new element for replacing value
elem.name = "Messi";
elem.payload = "Plays for Argentina";
elem.descr = "Football player";
elem.children.AddRange(new List <int> {
2
});
elem.timeStamp = DateTime.Now;
"\nBefore replacing the value instance for key 2".title();
db.showDB();
WriteLine();
"\nAfter replacing the value instance for key 2".title();
iEditor.replaceValueInstance(2, elem); //send value to be replaced for a key
db.showDB();
WriteLine();
}
// show DB which has key as integer and value as ListOfStrings.
public static void showDB(this DBEngine <int, DBElement <int, ListOfStrings> > db)
{
db.show <int, DBElement <int, ListOfStrings>, ListOfStrings>();
}
public void createXML(DBEngine<Key, DBElement<Key, List<string>>> db)
{
XmlDocument doc = new XmlDocument();
XmlDeclaration xmlDeclaration = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
XmlElement root = doc.DocumentElement;
doc.InsertBefore(xmlDeclaration, root);
XmlElement element1 = doc.CreateElement(string.Empty, "noSqlDb", string.Empty);
doc.AppendChild(element1);
XmlElement element2 = doc.CreateElement(string.Empty, "keytype", string.Empty);
element1.AppendChild(element2);
XmlText text2 = doc.CreateTextNode("string");
element2.AppendChild(text2);
XmlElement element3 = doc.CreateElement(string.Empty, "payloadtype", string.Empty);
element1.AppendChild(element3);
XmlText text3 = doc.CreateTextNode("ListOfStrings");
element3.AppendChild(text3);
foreach (Key key in db.Keys())
{
DBElement<Key, List<string>> elem = new DBElement<Key, List<string>>();
db.getValue(key, out elem);
XmlElement element4 = doc.CreateElement(string.Empty, "key", string.Empty);
element1.AppendChild(element4);
string xmlNode = key.ToString();
XmlText text4 = doc.CreateTextNode(xmlNode);
element4.AppendChild(text4);
XmlElement element5 = doc.CreateElement(string.Empty, "element", string.Empty);
element1.AppendChild(element5);
XmlElement element6 = doc.CreateElement(string.Empty, "name", string.Empty);
element5.AppendChild(element6);
string nodeText = elem.name;
XmlText text6 = doc.CreateTextNode(nodeText);
element6.AppendChild(text6);
XmlElement element7 = doc.CreateElement(string.Empty, "descr", string.Empty);
element5.AppendChild(element7);
nodeText = elem.descr;
XmlText text7 = doc.CreateTextNode(nodeText);
element7.AppendChild(text7);
XmlElement element8 = doc.CreateElement(string.Empty, "timeStamp", string.Empty);
element5.AppendChild(element8);
nodeText = elem.timeStamp.ToString();
XmlText text8 = doc.CreateTextNode(nodeText);
element8.AppendChild(text8);
XmlElement element9 = doc.CreateElement(string.Empty, "children", string.Empty);
element5.AppendChild(element9);
foreach (Key child in elem.children)
{
XmlElement element10 = doc.CreateElement(string.Empty, "key", string.Empty);
element9.AppendChild(element10);
xmlNode = "key" + child;
XmlText text10 = doc.CreateTextNode(xmlNode);
element10.AppendChild(text10);
}
XmlElement element11 = doc.CreateElement(string.Empty, "payload", string.Empty);
element5.AppendChild(element11);
foreach (String pay in elem.payload)
{
XmlElement element12 = doc.CreateElement(string.Empty, "item", string.Empty);
element11.AppendChild(element12);
nodeText = pay;
XmlText text12 = doc.CreateTextNode(nodeText);
element12.AppendChild(text12);
}
}
doc.Save("xxx.xml");
Console.WriteLine("\nXML Saved @/bin/Debug");
Console.WriteLine("\nPlease open the XML file in the specified path to see the contents");
}
public static void showEnumerableDB(this DBEngine <string, DBElement <string, List <string> > > db)
{
db.showEnumerable <string, DBElement <string, List <string> >, List <string>, string>();
}
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.showElementWithTestType1 <int>());
WriteLine();
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.payload = "The Empire strikes back!";
Write(elem2.showElementWithTestType1 <int>());
WriteLine();
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
Write(elem3.showElementWithTestType1 <int>());
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.showWithTestType1 <int>();
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.showElementWithTestType2 <string>());
WriteLine();
Write("\n --- Test DBElement<string,IEnumWrapper<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.showElementWithTestType2 <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.showElementWithTestType2 <string>());
WriteLine();
Write("\n --- Test DBEngine<string,DBElement<string,IEnumWrapper<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.showWithTestType2 <string>();
Write("\n\n");
}
static void Main(string[] args)
{
QueryEngine <int, string> QE = new QueryEngine <int, string>();
QueryEngine <string, string> QE1 = new QueryEngine <string, string>();
DBEngine <int, DBElement <int, List <string> > > dbPay = new DBEngine <int, DBElement <int, List <string> > >();
DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >();
DBElement <string, List <String> > elemString = new DBElement <string, List <String> >(); //Populating DBEngine
elemString.name = "Element2"; //object dbString
elemString.descr = "testelement2"; //for testing data string and list of string type.
elemString.timeStamp = DateTime.Now;
elemString.children.AddRange(new List <string> {
"SMA1", "Syracuse2", "NY3"
});
elemString.payload = new List <string>();
elemString.payload.AddRange(new List <string> {
"we", "rock", "the ", "world"
});
dbString.insert("Prohject2", elemString);
DBElement <string, List <String> > elemString2 = new DBElement <string, List <String> >(); //Populating DBEngine
elemString2.name = "Element3"; //object dbString
elemString2.descr = "test element3"; //for testing data string and list of string type.
elemString2.timeStamp = DateTime.Now;
elemString2.children.AddRange(new List <string> {
"SMA2", "Syracuse22", "NY33"
});
elemString2.payload = new List <string>();
elemString2.payload.AddRange(new List <string> {
"Thug", "Life"
});
dbString.insert("Thug3", elemString2);
DBElement <int, List <string> > elemPayload = new DBElement <int, List <string> >(); //Populating DBEngine
elemPayload.name = "Element4"; //object dbPay
elemPayload.descr = "test element4"; //for testing data int and list of string type.
elemPayload.timeStamp = DateTime.Now;
elemPayload.children.AddRange(new List <int> {
1, 2, 3
});
elemPayload.payload = new List <string>();
elemPayload.payload.AddRange(new List <string> {
"Project 2", " ", "demo", " ", "starts"
});
dbPay.insert(1, elemPayload);
DBElement <int, List <string> > elemPayload2 = new DBElement <int, List <string> >(); //Populating DBEngine
elemPayload2.name = "Element5"; //object dbPay
elemPayload2.descr = "test element5"; //for testing data int and list of string type.
elemPayload2.timeStamp = DateTime.Now;
elemPayload2.children.AddRange(new List <int> {
98, 22, 35
});
elemPayload2.payload = new List <string>();
elemPayload2.payload.AddRange(new List <string> {
"we", "rock", "the", "world"
});
dbPay.insert(2, elemPayload2);
QE.valueByKey(1, dbPay);
WriteLine();
QE.childrenByKey(1, dbPay);
//QE1.keyPattern(".*h.*", dbString);
WriteLine();
QE1.keyPattern(".*hjbbj.*", dbString);
WriteLine();
QE.metaDataPattern("t2", dbString);
//DateTime toDate = new DateTime(2015, 10, 7);
DateTime toDate = new DateTime(2015, 10, 7);
DateTime fromDate = new DateTime(2015, 10, 1);
//System.Threading.Thread.Sleep(500);
QE.dateTimeSearch(fromDate, toDate, dbString);
}
static void Main(string[] args)
{
"Testing DBFactory Package".title('=');
WriteLine();
"\nCreation of immutable database".title();
WriteLine();
"\nOriginal database".title();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
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();
"\n Fetch all the keys which are even from the above database".title();
try
{
QueryEngine <int, DBElement <int, string> > qEngine = new QueryEngine <int, DBElement <int, string> >(db);
Dictionary <int, DBElement <int, string> > dictFactory = new Dictionary <int, DBElement <int, string> >();
DBFactory <int, DBElement <int, string> > dbFactory;
var keys = qEngine.getListKeyPattern();
if (keys != null)
{
foreach (var key in keys)
{
var val = db.getValueOfKey(key);
dictFactory.Add(key, val); //add keys and values to the dictionary
}
dbFactory = new DBFactory <int, DBElement <int, string> >(dictFactory); //store the dictionary in the
WriteLine("\nThe below key/value pairs with even keys pattern are saved as an immutable database\n");
dbFactory.showDB(); //display the immutable database
WriteLine();
WriteLine();
}
else
{
WriteLine("\nNo keys are obtained from a query for creation of immutable database\n");
}
WriteLine();
WriteLine();
}
catch (Exception e)
{
Console.WriteLine("\n" + e.Message + "\n");
}
}
public void readXml(DBEngine <Key, DBElement <Key, List <string> > > dbRead)
{
XmlDocument doc = new XmlDocument(); //creating object of XmlDocument Class
if (File.Exists("yyy.xml"))
{
try
{ doc.Load("yyy.xml"); }
catch (Exception e)
{
WriteLine("\n Wrong Input file. Error Message : {0}\n", e.Message);
}
}
else
{
WriteLine("\n File \" yyy.xml \" does not exist.");
return;
}
doc.Save(Console.Out); //Printing XML file on the console
foreach (XmlNode node in doc.GetElementsByTagName("noSqlDb"))
{
DBElement <Key, List <string> > elemRead = null;
foreach (XmlNode node2 in node.ChildNodes)
{
if (node2.Name == "key") // Capturing the Parent key
{
first += 1;
if (first > 0 && first % 2 == 1)
{
elemRead = new DBElement <Key, List <string> >();
}
keyParent = (Key)Convert.ChangeType(node2.InnerText, typeof(Key));
}
else if (node2.Name == "element") //Capturing Element Tag
{
first += 1;
foreach (XmlNode node3 in node2.ChildNodes)
{
if (node3.Name == "name") // Capturing Metadata "Name"
{
elemRead.name = node3.InnerText;
}
else if (node3.Name == "descr") // Capturing Metadata "description"
{
elemRead.descr = node3.InnerText;
}
else if (node3.Name == "timeStamp") // Capturing Metadata "Time Stamp"
{
elemRead.timeStamp = DateTime.Parse(node3.InnerText);
}
else if (node3.Name == "children") // Capturing childen of the Parent Key
{
List <Key> childRead = new List <Key>();
foreach (XmlNode node4 in node3.ChildNodes)
{
if (node4.Name == "key")
{
childRead.Add((Key)Convert.ChangeType(node4.InnerText, typeof(Key)));
}
}
elemRead.children = childRead;
}
else if (node3.Name == "payload") // Capturing Value/Payload
{
List <string> payloadRead = new List <string>();
foreach (XmlNode node5 in node3.ChildNodes)
{
if (node5.Name == "item")
{
payloadRead.Add(node5.InnerText);
}
}
elemRead.payload = payloadRead;
}
}
}
if (first > 0 && first % 2 == 0)
{
dbRead.insert(keyParent, elemRead); // Inserting captured records into the database
first = 0;
}
}
}
}
public static void showDB(this DBEngine <int, DBElement <int, string> > db)
{
db.show <int, DBElement <int, string>, string>();
}
// This function will updated new updated things in main dictionary.
private void editDictionary(ref DBEngine <Key, DBElement <Key, ListOfStrings> > dbEngine, Key key)
{
dbEngine.Dictionary[key] = dbElementCloned;
}
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");
}
//// show dependency xml which stores in db.
public static void showDependencyDB(this DBEngine <string, DBElement <string, ListOfStrings> > db)
{
db.show <string, DBElement <string, ListOfStrings>, ListOfStrings>();
}
