//----< Demonstrating req 4 - editing metadata,value instance of key/value collection primitive type>-------------------
public void TestR4_NonPrimitive(DBEngine <int, DBElement <int, string> > dbType1, DBEngine <string, DBElement <string, List <string> > > dbType2, DBItemEditor editor)
{
"\nDemonstrating Requirement #4 Updating Metadata - Collection Type DB".title();
IEnumerable <string> db2Keys = dbType2.Keys();
String firstDB2Key = db2Keys.ElementAt(0);
String secondDB2Key = db2Keys.ElementAt(1);
WriteLine("\n\n Before updating Metadata for key : " + firstDB2Key);
dbType2.showEnumerableDB();
WriteLine("\n\n After updating Metadata for key : " + firstDB2Key);
editor.updateMetadataInfo <string, List <string>, string>(dbType2, firstDB2Key, "Django Unchained Reborn", " German Hunter helps to resuce a slave wife");
dbType2.showEnumerableDB();
"\nDemonstrating Requirement #4 Editing Value Instance Info - Collection Type DB".title();
WriteLine("\n\n Before updating Value Instance for key : " + secondDB2Key);
dbType2.showEnumerableDB();
WriteLine("\n\n After updating Value Instance for key : " + secondDB2Key);
DBElement <string, List <string> > newerelem3 = new DBElement <string, List <string> >();
newerelem3.name = "3 Idiots Remade";
newerelem3.descr = " They think differently, even as the rest of the world called them idiots";
newerelem3.children.AddRange(new[] { "Django Unchained Remake" });
newerelem3.payload = new List <string> {
"Rajkumar Hirani", "Amir Khan", "Abhijat Joshi"
};
editor.updatePayloadInfo <string, List <string>, string>(dbType2, newerelem3, secondDB2Key);
dbType2.showEnumerableDB();
"\nDemonstrating Requirement #4 Addition of child instances - Collection DB".title();
WriteLine("\n\n Before adding child Instance :" + secondDB2Key + " to key : " + firstDB2Key);
dbType2.showEnumerableDB();
editor.addChildren <string, List <string>, string>(dbType2, firstDB2Key, secondDB2Key);
WriteLine("\n\n After adding child Instance :" + secondDB2Key + " to key :" + firstDB2Key);
dbType2.showEnumerableDB();
"\nDemonstrating Requirement #4 Removal of child instances - Collection DB".title();
string keyChild = "Django Unchained Remake";
WriteLine("\n\n Before removing child Instance :" + keyChild + " from key :" + secondDB2Key);
dbType2.showEnumerableDB();
editor.removeChildren <string, List <string>, string>(dbType2, secondDB2Key, "Django Unchained Remake");
WriteLine("\n\n After removing child Instance :" + keyChild + " from key :" + secondDB2Key);
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)
{
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();
}
