//----< Demonstrating req 3 - addition/deletion of key/value database for primitive type db>------------------- public void TestR3(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2, DBItemEditor editor) { "\nDemonstrating Requirement #3 Primitive Type".title(); int key1 = DBElementExtensions.generate_int_key(); WriteLine("\n\n Addition of Key/value pair"); WriteLine(" Before Adding Key : " + key1); dbType1.showDB(); WriteLine("\n\n After adding key :" + key1); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Titanic"; elem1.descr = "A seventeen-year-old aristocrat falls in love with a kind"; elem1.timeStamp = DateTime.Now; elem1.children.AddRange(new List <int> { 114, 116 }); elem1.payload = "Stars: Leonardo DiCaprio, Kate Winslet, Billy Zane"; editor.addKeyValyePair <int, String>(dbType1, elem1, key1); dbType1.showDB(); IEnumerable <int> keys1 = dbType1.Keys(); int first = keys1.First(); WriteLine("\n\n Removal of Key/value pair"); WriteLine(" Before removing key :" + first); dbType1.showDB(); WriteLine("\n\n After removing key :" + first); editor.removeKey <int, string>(dbType1, first); dbType1.showDB(); }
//----< Demonstrating req 5 - Demonstrating persisting, unpersisting and restoring db>------------------- public void TestR5(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2) { string dir = "..\\..\\..\\..\\input_xml\\"; string xmlFile1 = "nosqdldb_primitive.xml"; "\n\nDemonstrating Requirement #5 Primitive DB".title(); dbType1.persist_db <int, DBElement <int, string>, string>(dir + xmlFile1); WriteLine("\nSuccesfully persisted dbengine contents to xml file :" + xmlFile1); string xmlFile2 = "nosqdldb.xml"; "\n\nDemonstrating Requirement #5 - Collection DB".title(); dbType2.persist_db <string, DBElement <string, List <string> >, List <string>, string>(dir + xmlFile2); WriteLine("\nSuccesfully persisted dbengine contents to xml file : " + xmlFile2); string xmlFile3 = "read_nosqldb_primitive.xml"; "\n\nDemonstrating Requirement #5 - Augumenting DB - Primitive DB".title(); WriteLine("\n\n Before Augumenting DB from xml file : " + xmlFile3); dbType1.showDB(); dbType1.augument_db <int, DBElement <int, string>, string>(dir + xmlFile3); WriteLine("\n\n After Augumenting DB from xml file : " + xmlFile3); dbType1.showDB(); string xmlFile4 = "read_nosqdldb.xml"; "\n\nDemonstrating Requirement #5 - Augumenting DB - Collection DB".title(); WriteLine("\n\n Before Augumenting DB from xml file : " + xmlFile4); dbType2.showEnumerableDB(); dbType2.augument_db <string, DBElement <string, List <string> >, List <string>, string>(dir + xmlFile4); WriteLine("\n\n After Augumenting DB from xml file : " + xmlFile4); dbType2.showEnumerableDB(); DBEngine <int, DBElement <int, string> > dbType1New = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbType2New = new DBEngine <string, DBElement <string, List <string> > >(); string xmlFile5 = "read_nosqldb_primitive.xml"; "\n\nDemonstrating Requirement #5 - Restoring DB - Primitive DB".title(); WriteLine("\n\n Before Restoring DB from xml file : " + xmlFile5); dbType1New.showDB(); dbType1New.augument_db <int, DBElement <int, string>, string>(dir + xmlFile5); WriteLine("\n\n After Restoring DB from xml file : " + xmlFile5); dbType1New.showDB(); string xmlFile6 = "read_nosqdldb.xml"; "\n\nDemonstrating Requirement #5 - Restoring DB - Collection DB".title(); WriteLine("\n\n Before Restoring DB from xml file : " + xmlFile6); dbType2New.showEnumerableDB(); dbType2New.augument_db <string, DBElement <string, List <string> >, List <string>, string>(dir + xmlFile6); WriteLine("\n\n After Restoring DB from xml file : " + xmlFile6); dbType2New.showEnumerableDB(); }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > dbType1 = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbCollectionType = new DBEngine <string, DBElement <string, List <string> > >(); DBItemEditor editor = new DBItemEditor(); "\nDemonstrating Requirement #2 - Primitive Type DB".title(); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Jurassic World"; elem1.descr = "Story on escape from giant creatures"; elem1.timeStamp = DateTime.Now; elem1.payload = "A giant creature attacks the park and becomes a killing machine"; editor.addKeyValyePair <int, String>(dbType1, elem1, DBElementExtensions.generate_int_key()); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Cast Away"; elem2.descr = "Story of surviving a crash landing on a deserted island."; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 4, 5 }); elem2.payload = "Directed by Robert Zemeckis and written by Willian Broyles Jr."; editor.addKeyValyePair <int, String>(dbType1, elem2, DBElementExtensions.generate_int_key()); dbType1.showDB(); int timeInterval = 2000; Scheduler <int, DBElement <int, string>, List <string>, string> sch = new Scheduler <int, DBElement <int, string>, List <string>, string>(dbType1, timeInterval); }
//----< Demonstrating req 7 - Queries - Value, children of a key>------------------- public void TestR7(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2) { "\n Demonstrating Requirement #7 - Queries - Primitive DB Contents".title(); dbType1.showDB(); "\n Demonstrating Requirement #7 - Queries - Collection DB Contents".title(); dbType2.showEnumerableDB(); QueryEngine <int, string> queryEnginePrimitive = new QueryEngine <int, string>(dbType1); "\n Demonstrating Requirement #7A - The value of a specified key - Primitive DB".title(); DBElement <int, string> queryElementPrimitive; IEnumerable <int> dbType1keys = dbType1.Keys(); int lastKeyDB1 = dbType1keys.Last(); Write("\n Input Key :" + lastKeyDB1); Write("\n Value of Key \n"); queryEnginePrimitive.getValueForKey(lastKeyDB1, out queryElementPrimitive); queryElementPrimitive.showElement(); QueryEngine <string, List <string> > queryEngine = new QueryEngine <string, List <string> >(dbType2); "\n Demonstrating Requirement #7A - The value of a specified key - Collection DB".title(); DBElement <string, List <string> > queryElement; IEnumerable <string> keys = dbType2.Keys(); String lastKey = keys.Last(); Write("\n Input Key :" + lastKey); Write("\n Value of Key \n"); queryEngine.getValueForKey(lastKey, out queryElement); queryElement.showEnumerableElement(); "\n Demonstrating Requirement #7B - The children of a specified key - Primitive DB".title(); List <int> childrenDB1 = new List <int>(); IEnumerable <int> keys1 = dbType1.Keys(); int firstKey1 = keys1.First(); Write("\n Input Key :" + firstKey1); StringBuilder accum = new StringBuilder(); accum.Append(String.Format(" children of key: {0}", firstKey1.ToString())); queryEnginePrimitive.getChildren(firstKey1, out childrenDB1); childrenDB1.showkeys(); "\n Demonstrating Requirement #7B- The children of a specified key - Collection DB".title(); List <String> children; IEnumerable <string> keys2 = dbType2.Keys(); String firstKey2 = keys2.First(); Write("\n Input Key :" + firstKey2); StringBuilder accum2 = new StringBuilder(); accum2.Append(String.Format(" children of key: {0}", firstKey2)); queryEngine.getChildren(firstKey2, out children); children.showkeys(); String lastKey2 = keys2.Last(); Write("\n\n Input Key :" + lastKey2); StringBuilder accum3 = new StringBuilder(); accum3.Append(String.Format(" children of key: {0}", lastKey2)); queryEngine.getChildren(lastKey2, out children); children.showkeys(); }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > dbType1 = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbType2 = new DBEngine <string, DBElement <string, List <string> > >(); DBItemEditor editor = new DBItemEditor(); //Demonstrating primitive type DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Jurassic World"; elem1.descr = "Story on escape from giant creatures"; elem1.timeStamp = DateTime.Now; elem1.payload = "A giant creature attacks the park and becomes a killing machine"; editor.addKeyValyePair <int, String>(dbType1, elem1, DBElementExtensions.generate_int_key()); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Cast Away"; elem2.descr = "Story of surviving a crash landing on a deserted island."; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 4, 5 }); elem2.payload = "Directed by Robert Zemeckis and written by Willian Broyles Jr."; editor.addKeyValyePair <int, String>(dbType1, elem2, DBElementExtensions.generate_int_key()); dbType1.showDB(); QueryEngine <int, string> queryEnginePrimitive = new QueryEngine <int, string>(dbType1); string inputString = "11"; Write("\n\n \n Input Search String :" + inputString); List <int> resultList = queryEnginePrimitive.searchKeyPattern(inputString); foreach (int key in resultList) { Write("\n found \"{0}\" in key \"{1}\"", inputString, key); } string inputString2 = "Movie"; Write("\n\n Input Search String :" + inputString); List <int> resultList2 = queryEnginePrimitive.searchMetadataPattern(inputString2); foreach (int key in resultList2) { Write("\n found \"{0}\" in \"{1}\"", inputString, key); } DateTime startDate = new DateTime(2014, DateTime.Today.Month, DateTime.Today.Day, 00, 00, 01); DateTime endDate = new DateTime(DateTime.Today.Year, DateTime.Today.Month, DateTime.Today.Day, 23, 59, 59); List <int> resultList3 = queryEnginePrimitive.searchTimeStamp(startDate); foreach (int key in resultList3) { Write("\n found key within \"{0}\" within range \"{1}\" {2}", key, startDate, endDate); } }
//----< Demonstrating req 2 - creating generic key/value in-memory database>------------------- public void TestR2(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2, DBItemEditor editor) { //Demonstrating primitive type "\nDemonstrating Requirement #2 - Primitive Type DB".title(); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Jurassic World"; elem1.descr = "Story on escape from giant creatures"; elem1.timeStamp = DateTime.Now; elem1.payload = "A giant creature attacks the park and becomes a killing machine"; editor.addKeyValyePair <int, String>(dbType1, elem1, DBElementExtensions.generate_int_key()); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Cast Away"; elem2.descr = "Story of surviving a crash landing on a deserted island."; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 113, 116 }); elem2.payload = "Directed by Robert Zemeckis and written by Willian Broyles Jr."; editor.addKeyValyePair <int, String>(dbType1, elem2, DBElementExtensions.generate_int_key()); dbType1.showDB(); //Demostrating IEnumberable Type "\nDemonstrating Requirement #2 - Collection Type DB".title(); DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >(); newerelem1.name = "Movie Name - The Good the Bad and the Ugly"; newerelem1.descr = "A bounty hunting scam joins two men in an uneasy alliance "; newerelem1.payload = new List <string> { "Clint Eastwood", " Eli Wallach", "Lee Van Cleef" }; String key = "The Good, the Bad and the Ugly"; editor.addKeyValyePair <string, List <String>, string>(dbType2, newerelem1, key); DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >(); newerelem2.name = "Movie Name - Django Unchained"; newerelem2.descr = "With the help of a German hunter, a freed slave sets to rescue"; newerelem2.children.AddRange(new[] { key, "Life Is Beautiful" }); newerelem2.payload = new List <string> { "Jamie Foxx", "Christoph Waltz", "Leonardo DiCaprio" }; newerelem2.payload.Add("Quentin Tarantino"); String key1 = "Django Unchained"; editor.addKeyValyePair <string, List <String>, string>(dbType2, newerelem2, key1); dbType2.showEnumerableDB(); }
//----< Demonstrating req 4 - editing metadata,value instance of key/value database primitive type>------------------- public void TestR4(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2, DBItemEditor editor) { "\n\nDemonstrating Requirement #4 Updating Metadata - Primitive Type DB".title(); IEnumerable <int> keys = dbType1.Keys(); int firstDB1Key = keys.ElementAt(0); int secondDB1Key = keys.ElementAt(1); WriteLine("\n\n Before updating Metadata for key : " + firstDB1Key); dbType1.showDB(); WriteLine("\n\n After updating Metadata for key : " + firstDB1Key); editor.updateMetadataInfo <int, String>(dbType1, firstDB1Key, "Reborn -Cast Away", "The guy who survived in deserted insland"); dbType1.showDB(); "\nDemonstrating Requirement #4 Editing Value Instance Info - Primitive Type DB".title(); WriteLine("\n\n Before updating Value Instance for key : " + secondDB1Key); dbType1.showDB(); WriteLine("\n\n After updating Value Instance for key : " + secondDB1Key); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Titanic Reborn"; elem2.descr = "A new movie directed in 2015 with the same plot line"; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 114 }); elem2.payload = "The movie will feature same actors but director changes"; editor.updatePayloadInfo <int, String>(dbType1, elem2, secondDB1Key); dbType1.showDB(); "\nDemonstrating Requirement #4 Addition of child instances - Primitive Type DB ".title(); WriteLine("\n\n Before adding child Instance " + secondDB1Key + " to key " + firstDB1Key); dbType1.showDB(); editor.addChildren <int, string>(dbType1, firstDB1Key, secondDB1Key); WriteLine("\n\n After adding child Instance : " + secondDB1Key + " to key " + firstDB1Key); dbType1.showDB(); "\nDemonstrating Requirement #4 Removal of child instances - Primitive DB ".title(); WriteLine("\n\n Before removing child Instance key " + 113 + " from key " + firstDB1Key); dbType1.showDB(); editor.removeChildren <int, string>(dbType1, firstDB1Key, 113); WriteLine("\n\n After removing child Instance key " + 113 + " from key " + firstDB1Key); dbType1.showDB(); }
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"); }
static void Main(string[] args) { "Demonstrating Persist Engine".title('='); DBEngine <int, DBElement <int, string> > dbType1 = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbType2 = new DBEngine <string, DBElement <string, List <string> > >(); //Demonstrating primitive type DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Jurassic World"; elem1.descr = "Story on escape from giant creatures"; elem1.timeStamp = DateTime.Now; elem1.payload = "A giant creature attacks the park and becomes a killing machine"; dbType1.insert(DBElementExtensions.generate_int_key(), elem1); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Cast Away"; elem2.descr = "Story of surviving a crash landing on a deserted island."; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 4, 5 }); elem2.payload = "Directed by Robert Zemeckis and written by Willian Broyles Jr."; dbType1.insert(DBElementExtensions.generate_int_key(), elem2); dbType1.showDB(); //Demostrating IEnumberable Type DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >(); newerelem1.name = "Movie Name - The Good the Bad and the Ugly"; newerelem1.descr = "A bounty hunting scam joins two men in an uneasy alliance "; newerelem1.payload = new List <string> { "Clint Eastwood", " Eli Wallach", "Lee Van Cleef" }; String key = "The Good, the Bad and the Ugly"; dbType2.insert(key, newerelem1); DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >(); newerelem2.name = "Movie Name - Django Unchained"; newerelem2.descr = "With the help of a German hunter, a freed slave sets to rescue"; newerelem2.children.AddRange(new[] { key, "Life Is Beautiful" }); newerelem2.payload = new List <string> { "Jamie Foxx", "Christoph Waltz", "Leonardo DiCaprio" }; newerelem2.payload.Add("Quentin Tarantino"); String key1 = "Django Unchained"; dbType2.insert(key1, newerelem2); dbType2.showEnumerableDB(); string xmlFile1 = "nosqdldb_primitive.xml"; dbType1.persist_db <int, DBElement <int, string>, string>(xmlFile1); WriteLine("\nSuccesfully persisted dbengine contents to xml file :" + xmlFile1); string xmlFile2 = "nosqdldb.xml"; dbType2.persist_db <string, DBElement <string, List <string> >, List <string>, string>(xmlFile2); WriteLine("\nSuccesfully persisted dbengine contents to xml file : " + xmlFile2); string xmlFile3 = "read_nosqldb_primitive.xml"; WriteLine("\n\n Before Augumenting DB from xml file : " + xmlFile3); dbType1.showDB(); dbType1.augument_db <int, DBElement <int, string>, string>(xmlFile3); WriteLine("\n\n After Augumenting DB from xml file : " + xmlFile3); dbType1.showDB(); string xmlFile4 = "read_nosqdldb.xml"; WriteLine("\n\n Before Augumenting DB from xml file : " + xmlFile4); dbType2.showEnumerableDB(); dbType2.augument_db <string, DBElement <string, List <string> >, List <string>, string>(xmlFile4); WriteLine("\n\n After Augumenting DB from xml file : " + xmlFile4); dbType2.showEnumerableDB(); DBEngine <int, DBElement <int, string> > dbType1New = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbType2New = new DBEngine <string, DBElement <string, List <string> > >(); string xmlFile5 = "read_nosqldb_primitive.xml"; WriteLine("\n\n Before Restoring DB from xml file : " + xmlFile5); dbType1New.showDB(); dbType1New.augument_db <int, DBElement <int, string>, string>(xmlFile5); WriteLine("\n\n After Restoring DB from xml file : " + xmlFile5); dbType1New.showDB(); string xmlFile6 = "read_nosqdldb.xml"; WriteLine("\n\n Before Restoring DB from xml file : " + xmlFile6); dbType2New.showEnumerableDB(); dbType2New.augument_db <string, DBElement <string, List <string> >, List <string>, string>(xmlFile6); WriteLine("\n\n After Restoring DB from xml file : " + xmlFile6); dbType2New.showEnumerableDB(); }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > dbType1 = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbType2 = new DBEngine <string, DBElement <string, List <string> > >(); DBItemEditor editor = new DBItemEditor(); //Demonstrating primitive type "\nDemonstrating Requirement #2 - Primitive Type DB".title(); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Jurassic World"; elem1.descr = "Story on escape from giant creatures"; elem1.timeStamp = DateTime.Now; elem1.payload = "A giant creature attacks the park and becomes a killing machine"; editor.addKeyValyePair <int, String>(dbType1, elem1, DBElementExtensions.generate_int_key()); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Cast Away"; elem2.descr = "Story of surviving a crash landing on a deserted island."; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 4, 5 }); elem2.payload = "Directed by Robert Zemeckis and written by Willian Broyles Jr."; editor.addKeyValyePair <int, String>(dbType1, elem2, DBElementExtensions.generate_int_key()); dbType1.showDB(); Console.WriteLine("\n\n Before updating metadata"); IEnumerable <int> keys1 = dbType1.Keys(); int first = keys1.First(); dbType1.showDB(); Console.WriteLine("\n\n After updating metadata"); editor.updateMetadataInfo <int, String>(dbType1, first, "Reborn -Cast Away", "The guy who survived in deserted insland"); dbType1.showDB(); IEnumerable <int> keys = dbType1.Keys(); int firstDB1Key = keys.ElementAt(0); int secondDB1Key = keys.ElementAt(1); DBElement <int, string> elem22 = new DBElement <int, string>(); elem22.name = "Titanic Reborn"; elem22.descr = "A new movie directed in 2015 with the same plot line"; elem22.timeStamp = DateTime.Now; elem22.children.AddRange(new List <int> { 1 }); elem22.payload = "The movie will feature same actors but director changes"; editor.updatePayloadInfo <int, String>(dbType1, elem22, secondDB1Key); Console.WriteLine("\n\n Before adding child Instance " + secondDB1Key + " from key " + firstDB1Key); dbType1.showDB(); editor.addChildren <int, string>(dbType1, firstDB1Key, secondDB1Key); Console.WriteLine("\n\n After adding child Instance : " + secondDB1Key + " from key " + firstDB1Key); dbType1.showDB(); Console.WriteLine("\n\n Before removing child Instance key " + 114 + " from key " + firstDB1Key); dbType1.showDB(); editor.removeChildren <int, string>(dbType1, firstDB1Key, 114); Console.WriteLine("\n\n After removing child Instance key " + 114 + " from key " + firstDB1Key); dbType1.showDB(); }