void TestR3()//addition and deletion of key/value pairs
{
"Demonstrating Requirement #3".title();
WriteLine();
Write("\n --- Test addition of key/value pairs Start---");
WriteLine();
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "element#1";//add a new key/value pairs
elem1.descr = "test element#1";
elem1.timeStamp = DateTime.Now;
elem1.children.AddRange(new List <int> {
6, 8
});
elem1.payload = "elem#1's payload";
elem1.showElement();
db.insert(2, elem1);
Write("\n\n Show key/value pairs in data base:\n");
db.showDB();
WriteLine();
Write("\n --- Test addition of key/value pairs End---");
WriteLine();
Write("\n --- Test deletion of key/value pairs Start---");
WriteLine();
db.delete(1);//delete an existing key/value pairs
Write("\n\n Show key/value pairs in data base:\n");
db.showDB();
WriteLine();
db.delete(100);//try to delete a key/value pairs that doesn't exist
Write("\n --- Test deletion of key/value pairs End---");
WriteLine();
}
static void Main(string[] args)
{
"Testing DBElement Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
WriteLine();
DBElement <int, string> elem1 = new DBElement <int, string>();
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 = new List <int> {
1, 2, 7
};
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
Write(elem3.showElement <int, string>());
WriteLine();
Write("\n --- Test DBElement<string,List<string>> ---");
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"
};
Write(newelem1.showElement <string, List <string>, string>());
WriteLine();
DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >();
newerelem1.name = "newerelem1";
newerelem1.descr = "same stuff";
newerelem1.children.Add("first_key");
newerelem1.children.Add("second_key");
newerelem1.payload = new List <string> {
"alpha", "beta", "gamma"
};
newerelem1.payload.AddRange(new[] { "delta", "epsilon" });
Write(newerelem1.showElement <string, List <string>, string>());
WriteLine();
Write("\n\n");
}
/*
* show DB factory data.
*/
public void showDBFactory()
{
foreach (Key key in dbStore.Keys)
{
Value value = dbStore[key];
DBElement<int, ListOfStrings> elem = value as DBElement<int, ListOfStrings>;
Write("\n\n -- key = {0} --", key);
elem.showElement();
}
}
//----< write simple db elements out to Console >------------------
public static void show <Key, Value, Data>(this DBEngine <Key, Value> db)
{
foreach (Key key in db.Keys())
{
Value value;
db.getValue(key, out value);
DBElement <Key, Data> elem = value as DBElement <Key, Data>;
Write("\n\n -- key = {0} --", key);
Write(elem.showElement());
}
}
//----< write simple db elements out to Console >------------------
public static void showDictionaryData <Key, Value, Data>(this Dictionary <Key, Value> db)
{
foreach (Key key in db.Keys)
{
Value value;
value = db[key];
DBElement <int, List <string> > elem = value as DBElement <int, List <string> >;
Write("\n\n -- key = {0} --", key);
Write(elem.showElement());
}
}
//----< write enumerable db elements out to Console >--------------
public static void show <Key, Value, Data, T>(this DBFactory <Key, Value> db)
where Data : IEnumerable <T>
{
foreach (Key key in db.Keys())
{
Value value;
db.getValue(key, out value);
DBElement <Key, Data> elem = value as DBElement <Key, Data>;
Write("\n\n -- key = {0} --", key);
Write(elem.showElement <Key, Data, T>());
}
}
void testR2()
{
"Demonstrating Requirement #2".title();
DBElement <int, String> elem = new DBElement <int, string>();
elem.name = "text element";
elem.descr = "descr";
elem.timeStamp = DateTime.Now;
elem.payload = "elem's payload";
elem.children.AddRange(new [] { 1, 2, 3 });
elem.showElement();
db.insert(1, elem);
db.showDB();
WriteLine();
}
//private DBEngine<int, DBElement<int, string>> db2 = new DBEngine<int, DBElement<int, string>>();
void TestR2()
{
"Demonstrating Requirement #2".title();
DBElement <int, string> elem = new DBElement <int, string>();
elem.name = "element";
elem.descr = "test element";
elem.timeStamp = DateTime.Now;
elem.children.AddRange(new List <int> {
1, 2, 3
});
elem.payload = "elem's payload";
elem.showElement();
db.insert(1, elem);
Write("\n\n Show key/value pairs in data base:\n");
db.showDB();
WriteLine();
}
void TestR4() //support editing of value including the addition and/or deletion of relationships,
//editing text metadata and replacing an existing value's instance with a new instance
{
"Demonstrating Requirement #4".title();
DBElement <int, string> temp = new DBElement <int, string>();
ItemEditor <int, string> editItem;
if (db.containsKey(2))
{
db.getValue(2, out temp);
Write("\n\n --- value before modified---\n");
temp.showElement();
editItem = new ItemEditor <int, string>(temp);
editItem.nameEdit("newName!!"); //edit the name of the value with key 2
editItem.descrEdit("new description!!"); //edit description
editItem.dateTimeEdit(); //update timeStamp
editItem.addRelationship(18); //add relationship
editItem.deleteRelationship(6); //delete relationship
editItem.payloadEdit("new payload!!"); //modify payload
DBElement <int, string> elemNew = new DBElement <int, string>();
editItem.replaceWithInstance(out elemNew); // replace an existing value's instance with a new instance
temp = null;
Write("\n\n --- value after modified---\n");
elemNew.showElement();
editItem = null;
}
else
{
Write("Value not found!");
}
//Write("\n\n Show key/value pairs in data base:\n");
//db.showDB();
WriteLine();
WriteLine();
}
void TestR2()
{
DBElement <int, string> elem = new DBElement <int, string>();
elem.name = "India";
elem.descr = "Country";
elem.timeStamp = DateTime.Now;
elem.children.AddRange(new List <int> {
2, 3
});
elem.payload = "Famous cricket player";
WriteLine();
"1) The element is as shown below".title();
elem.showElement();
db.insert(1, elem);
WriteLine();
"2) The key Value pair is shown below".title();
db.showDB();
WriteLine();
}
void TestR4()
{
" Demonstrating Requirement #4 ".title('=');
WriteLine();
"Before edit of Key=2 and Key=4 values.".title('-');
DBElement <int, ListOfStrings> oldElement = db1.Dictionary[2];
oldElement.showElement();
ItemEditor <int, ListOfStrings> itemEditor = new ItemEditor <int, ListOfStrings>();
// Creates a DateTime for the local time.
itemEditor.editByName(ref db1, 2, "edited name for key=2");
itemEditor.editByChild(ref db1, 2, new List <int> {
205, 206, 207, 208, 209, 210
});
itemEditor.editByDescr(ref db1, 2, "edited descr for key=2");
DBElement <int, ListOfStrings> newElement123d = db1.Dictionary[2];
newElement123d.showElement();
itemEditor.editPayloadByListOfString(ref db1, 2, new List <string> {
"CSE681_2_New", "SMA_2_New", "C#.net_2_New", "AI_2_New"
});
DateTime newTime = new DateTime(1990, 6, 15, 0, 0, 0);
itemEditor.editByTime(ref db1, 4, newTime);
DateTime newTime2 = new DateTime(1990, 6, 16, 0, 0, 0);
itemEditor.editByTime(ref db1, 2, newTime2);
"After edit of Key = 2 and Key = 4 values.".title('-');
WriteLine();
WriteLine("You can see in updated element, Name,description,children,time and payload attributes are changed.");
DBElement <int, ListOfStrings> newElement1 = db1.Dictionary[2];
DBElement <int, ListOfStrings> newElement2 = db1.Dictionary[4];
newElement1.showElement();
newElement2.showElement();
WriteLine();
}
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");
}
public static void showEnumerableElement(this DBElement <string, List <string> > enumElement)
{
Console.Write(enumElement.showElement <string, List <string>, string>());
}
static void Main(string[] args)
{
"Testing Payload Wrapper".title('=');
WriteLine();
ListOfStrings los = new ListOfStrings();
los.theWrappedData.AddRange(new List <string> {
"one", "two", "three"
});
"showing List of strings:".title();
foreach (string item in los.theWrappedData)
{
Write("\n {0}", item);
}
WriteLine();
"Output from PayloadWrapper.ToString()".title();
Write("\n{0}", los.ToString());
//WriteLine();
"output from PayloadWrapper.ToXml()".title();
Write("\n{0}", los.ToXml());
WriteLine();
"output from elem.showElement<string, ListOfStrings>()".title();
DBElement <string, ListOfStrings> elem = new DBElement <string, ListOfStrings>();
elem.name = "test element";
elem.descr = "created to test PayloadWrapper";
elem.payload = new ListOfStrings();
elem.payload.theWrappedData = new List <string> {
"alpha", "beta", "gamma", "delta", "epsilon"
};
Write(elem.showElement <string, ListOfStrings>());
/////////////////////////////////////////////////////////////////////
// The sequence of statements below should be turned into an
// extension method: static public void clone(this List<string>)
//
"test cloning elem".title('=');
WriteLine();
DBElement <string, ListOfStrings> cloned = new DBElement <string, ListOfStrings>();
cloned.name = String.Copy(elem.name);
cloned.descr = String.Copy(elem.descr);
cloned.timeStamp = DateTime.Parse(elem.timeStamp.ToString());
cloned.children = new List <string>();
cloned.children.AddRange(elem.children);
cloned.payload = elem.payload.clone() as ListOfStrings;
"output from elem.showElement<string, ListOfStrings>()".title();
Write(elem.showElement <string, ListOfStrings>());
"output from cloned.showElement<string, ListOfStrings>()".title();
Write(cloned.showElement <string, ListOfStrings>());
//"Hashcodes are not reliable object identifiers".title();
//Write(string.Format("\n hashcode of elem = {0}", elem.GetHashCode()));
//Write(string.Format("\n hashcode of elem.name = {0}", elem.name.GetHashCode()));
//Write(string.Format("\n hashcode of elem.descr = {0}", elem.descr.GetHashCode()));
//Write(string.Format("\n hashcode of elem.payload = {0}", elem.payload.GetHashCode()));
//WriteLine();
//Write(string.Format("\n hashcode of cloned = {0}", cloned.GetHashCode()));
//Write(string.Format("\n hashcode of cloned.name = {0}", cloned.name.GetHashCode()));
//Write(string.Format("\n hashcode of cloned.descr = {0}", cloned.descr.GetHashCode()));
//Write(string.Format("\n hashcode of cloned.payload = {0}", cloned.payload.GetHashCode()));
//WriteLine();
"testing for equality immediately after cloning".title();
showEquality(cloned.name, elem.name, "cloned.name vs. elem.name");
showEquality(cloned.descr, elem.descr, "cloned.descr vs. elem.descr");
showDateTimeEquality(cloned.timeStamp, elem.timeStamp, "cloned.timeStamp vs. elem.timeStamp");
showListEquality(cloned.children, elem.children, "cloned.children vs. elem.children");
showListEquality <string>(cloned.payload.theWrappedData, elem.payload.theWrappedData, "cloned.payload vs. elem.payload");
WriteLine();
"modifying clone's properties".title();
WriteLine();
cloned.name = cloned.name + " modified";
cloned.descr = cloned.descr + " modified";
cloned.timeStamp = DateTime.Today;
cloned.children.AddRange(new List <string> {
"key11", "key13"
});
cloned.payload.theWrappedData.AddRange(new List <string> {
"zeta", "eta"
});
"output from elem.showElement<string, ListOfStrings>()".title();
Write(elem.showElement <string, ListOfStrings>());
"output from cloned.showElement<string, ListOfStrings>()".title();
Write(cloned.showElement <string, ListOfStrings>());
"Testing equality after modifying clone's values".title();
showEquality(cloned.name, elem.name, "cloned.name vs. elem.name");
showEquality(cloned.descr, elem.descr, "cloned.descr vs. elem.descr");
showDateTimeEquality(cloned.timeStamp, elem.timeStamp, "cloned.timeStamp vs. elem.timeStamp");
showListEquality(cloned.children, elem.children, "cloned.children vs. elem.children");
showListEquality <string>(cloned.payload.theWrappedData, elem.payload.theWrappedData, "cloned.payload vs. elem.payload");
Write("\n\n");
}
/// <summary>
/// show element which has key as integer and element as ListOfString.
/// </summary>
/// <param name="element"></param>
public static void showElement(this DBElement <int, ListOfStrings> element)
{
Console.Write(element.showElement <int, ListOfStrings>());
}
public static void showElement(this DBElement <int, string> element)
{
Console.Write(element.showElement <int, string>());
}
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)
{
"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");
}
