public void Conversions()
{
SqlInt64 test12 = new SqlInt64(12);
SqlInt64 test0 = new SqlInt64(0);
SqlInt64 TestNull = SqlInt64.Null;
SqlInt64 test1000 = new SqlInt64(1000);
SqlInt64 test288 = new SqlInt64(288);
// ToSqlBoolean ()
Assert.True(test12.ToSqlBoolean().Value);
Assert.False(test0.ToSqlBoolean().Value);
Assert.True(TestNull.ToSqlBoolean().IsNull);
// ToSqlByte ()
Assert.Equal((byte)12, test12.ToSqlByte().Value);
Assert.Equal((byte)0, test0.ToSqlByte().Value);
Assert.Throws <OverflowException>(() => test1000.ToSqlByte());
// ToSqlDecimal ()
Assert.Equal(12, test12.ToSqlDecimal().Value);
Assert.Equal(0, test0.ToSqlDecimal().Value);
Assert.Equal(288, test288.ToSqlDecimal().Value);
// ToSqlDouble ()
Assert.Equal(12, test12.ToSqlDouble().Value);
Assert.Equal(0, test0.ToSqlDouble().Value);
Assert.Equal(1000, test1000.ToSqlDouble().Value);
// ToSqlInt32 ()
Assert.Equal(12, test12.ToSqlInt32().Value);
Assert.Equal(0, test0.ToSqlInt32().Value);
Assert.Equal(288, test288.ToSqlInt32().Value);
// ToSqlInt16 ()
Assert.Equal((short)12, test12.ToSqlInt16().Value);
Assert.Equal((short)0, test0.ToSqlInt16().Value);
Assert.Equal((short)288, test288.ToSqlInt16().Value);
// ToSqlMoney ()
Assert.Equal(12.0000M, test12.ToSqlMoney().Value);
Assert.Equal(0, test0.ToSqlMoney().Value);
Assert.Equal(288.0000M, test288.ToSqlMoney().Value);
// ToSqlSingle ()
Assert.Equal(12, test12.ToSqlSingle().Value);
Assert.Equal(0, test0.ToSqlSingle().Value);
Assert.Equal(288, test288.ToSqlSingle().Value);
// ToSqlString ()
Assert.Equal("12", test12.ToSqlString().Value);
Assert.Equal("0", test0.ToSqlString().Value);
Assert.Equal("288", test288.ToSqlString().Value);
// ToString ()
Assert.Equal("12", test12.ToString());
Assert.Equal("0", test0.ToString());
Assert.Equal("288", test288.ToString());
}
public static SqlString FN_FORMATINT(SqlInt64 FLD_VAL, SqlInt32 EXP_LEN, SqlString FLD_NAME, SqlString REC_TYPE, SqlString X02_KEY)
{
if (FLD_VAL.IsNull)
{
return(Convert.ToString(string.Empty.PadRight((int)EXP_LEN, '0').ToString()));
}
if (Convert.ToString(FLD_VAL).Length < (int)EXP_LEN)
{
return(Convert.ToString(FLD_VAL.ToString().PadLeft((int)EXP_LEN, '0')));
}
if (Convert.ToString(FLD_VAL).Length > (int)EXP_LEN)
{
FN_FORMAT_EXCEPTION(REC_TYPE.ToString(), "Length OverRun", "W", X02_KEY.ToString(), FLD_NAME.ToString(), FLD_VAL.ToString(), string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty);
return(FLD_VAL.ToString().Substring(0, (int)EXP_LEN));
}
if (FLD_VAL.ToString().Length == (int)EXP_LEN)
{
return(FLD_VAL.ToString());
}
return(new NotImplementedException().ToString());
}
public void Conversions()
{
SqlInt64 Test12 = new SqlInt64(12);
SqlInt64 Test0 = new SqlInt64(0);
SqlInt64 TestNull = SqlInt64.Null;
SqlInt64 Test1000 = new SqlInt64(1000);
SqlInt64 Test288 = new SqlInt64(288);
// ToSqlBoolean ()
Assert.IsTrue(Test12.ToSqlBoolean().Value, "#P01");
Assert.IsTrue(!Test0.ToSqlBoolean().Value, "#P02");
Assert.IsTrue(TestNull.ToSqlBoolean().IsNull, "#P03");
// ToSqlByte ()
Assert.AreEqual((byte)12, Test12.ToSqlByte().Value, "#P04");
Assert.AreEqual((byte)0, Test0.ToSqlByte().Value, "#P05");
try {
SqlByte b = (byte)Test1000.ToSqlByte();
Assert.Fail("#P06");
} catch (OverflowException e) {
Assert.AreEqual(typeof(OverflowException), e.GetType(), "#P07");
}
// ToSqlDecimal ()
Assert.AreEqual((decimal)12, Test12.ToSqlDecimal().Value, "#P08");
Assert.AreEqual((decimal)0, Test0.ToSqlDecimal().Value, "#P09");
Assert.AreEqual((decimal)288, Test288.ToSqlDecimal().Value, "#P10");
// ToSqlDouble ()
Assert.AreEqual((double)12, Test12.ToSqlDouble().Value, "#P11");
Assert.AreEqual((double)0, Test0.ToSqlDouble().Value, "#P12");
Assert.AreEqual((double)1000, Test1000.ToSqlDouble().Value, "#P13");
// ToSqlInt32 ()
Assert.AreEqual((int)12, Test12.ToSqlInt32().Value, "#P14");
Assert.AreEqual((int)0, Test0.ToSqlInt32().Value, "#P15");
Assert.AreEqual((int)288, Test288.ToSqlInt32().Value, "#P16");
// ToSqlInt16 ()
Assert.AreEqual((short)12, Test12.ToSqlInt16().Value, "#P17");
Assert.AreEqual((short)0, Test0.ToSqlInt16().Value, "#P18");
Assert.AreEqual((short)288, Test288.ToSqlInt16().Value, "#P19");
// ToSqlMoney ()
Assert.AreEqual(12.0000M, Test12.ToSqlMoney().Value, "#P20");
Assert.AreEqual((decimal)0, Test0.ToSqlMoney().Value, "#P21");
Assert.AreEqual(288.0000M, Test288.ToSqlMoney().Value, "#P22");
// ToSqlSingle ()
Assert.AreEqual((float)12, Test12.ToSqlSingle().Value, "#P23");
Assert.AreEqual((float)0, Test0.ToSqlSingle().Value, "#P24");
Assert.AreEqual((float)288, Test288.ToSqlSingle().Value, "#P25");
// ToSqlString ()
Assert.AreEqual("12", Test12.ToSqlString().Value, "#P26");
Assert.AreEqual("0", Test0.ToSqlString().Value, "#P27");
Assert.AreEqual("288", Test288.ToSqlString().Value, "#P28");
// ToString ()
Assert.AreEqual("12", Test12.ToString(), "#P29");
Assert.AreEqual("0", Test0.ToString(), "#P30");
Assert.AreEqual("288", Test288.ToString(), "#P31");
}
public void Conversions()
{
SqlInt64 Test12 = new SqlInt64(12);
SqlInt64 Test0 = new SqlInt64(0);
SqlInt64 TestNull = SqlInt64.Null;
SqlInt64 Test1000 = new SqlInt64(1000);
SqlInt64 Test288 = new SqlInt64(288);
// ToSqlBoolean ()
Assert.True(Test12.ToSqlBoolean().Value);
Assert.True(!Test0.ToSqlBoolean().Value);
Assert.True(TestNull.ToSqlBoolean().IsNull);
// ToSqlByte ()
Assert.Equal((byte)12, Test12.ToSqlByte().Value);
Assert.Equal((byte)0, Test0.ToSqlByte().Value);
try
{
SqlByte b = (byte)Test1000.ToSqlByte();
Assert.False(true);
}
catch (OverflowException e)
{
Assert.Equal(typeof(OverflowException), e.GetType());
}
// ToSqlDecimal ()
Assert.Equal(12, Test12.ToSqlDecimal().Value);
Assert.Equal(0, Test0.ToSqlDecimal().Value);
Assert.Equal(288, Test288.ToSqlDecimal().Value);
// ToSqlDouble ()
Assert.Equal(12, Test12.ToSqlDouble().Value);
Assert.Equal(0, Test0.ToSqlDouble().Value);
Assert.Equal(1000, Test1000.ToSqlDouble().Value);
// ToSqlInt32 ()
Assert.Equal(12, Test12.ToSqlInt32().Value);
Assert.Equal(0, Test0.ToSqlInt32().Value);
Assert.Equal(288, Test288.ToSqlInt32().Value);
// ToSqlInt16 ()
Assert.Equal((short)12, Test12.ToSqlInt16().Value);
Assert.Equal((short)0, Test0.ToSqlInt16().Value);
Assert.Equal((short)288, Test288.ToSqlInt16().Value);
// ToSqlMoney ()
Assert.Equal(12.0000M, Test12.ToSqlMoney().Value);
Assert.Equal(0, Test0.ToSqlMoney().Value);
Assert.Equal(288.0000M, Test288.ToSqlMoney().Value);
// ToSqlSingle ()
Assert.Equal(12, Test12.ToSqlSingle().Value);
Assert.Equal(0, Test0.ToSqlSingle().Value);
Assert.Equal(288, Test288.ToSqlSingle().Value);
// ToSqlString ()
Assert.Equal("12", Test12.ToSqlString().Value);
Assert.Equal("0", Test0.ToSqlString().Value);
Assert.Equal("288", Test288.ToSqlString().Value);
// ToString ()
Assert.Equal("12", Test12.ToString());
Assert.Equal("0", Test0.ToString());
Assert.Equal("288", Test288.ToString());
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override string ToString()
{
return(_sql.ToString());
}
public static void ShortestPath(SqlInt64 startNode, SqlInt64 endNode, SqlInt32 maxNodesToCheck, out SqlString pathResult, out SqlDouble distResult)
{
Dictionary <long, double> distance = new Dictionary <long, double>(); // curr shortest distance (double) from startNode to (key) node
Dictionary <long, long> previous = new Dictionary <long, long>(); // predecessor values to construct the actual path when done
Dictionary <long, bool> beenAdded = new Dictionary <long, bool>(); // has node been added to the queue yet? Once added, we don't want to add again
long startNodeAsLong = (long)startNode;
long endNodeAsLong = (long)endNode;
int maxNodesToCheckAsInt = (int)maxNodesToCheck;
MyPriorityQueue PQ = new MyPriorityQueue();
//initialize start node
distance[startNodeAsLong] = 0.0; // distance from start node to itself is 0
previous[startNodeAsLong] = -1; // -1 is the code for undefined.
PQ.Enqueue(new NodeDistance(startNodeAsLong, 0.0)); // the queue holds distance information because Enqueue and Dequeue need it to keep queue ordered by priority. alt approach would be to store only node IDs and then do a distance lookup
beenAdded[startNodeAsLong] = true;
double alt = 0.0; //'test distance'
try
{
while (PQ.Count() > 0 && beenAdded.Count < maxNodesToCheckAsInt)
{
NodeDistance u = PQ.Dequeue();// node with shortest distance from start
if (u.nodeID == endNode)
{
break;// found the target end node
}
//fetch all neighbors (v) of u
List <Tuple <long, double> > neighbors = new List <Tuple <long, double> >();
neighbors = FetchNeighbors(u.nodeID);
foreach (var v in neighbors) // if there are no neighbors, this loop will exit immediately
{
if (beenAdded.ContainsKey(v.Item1) == false) //first appearance of node v
{
distance[v.Item1] = double.MaxValue; //stand-in for infinity
previous[v.Item1] = -1; //undefined
PQ.Enqueue(new NodeDistance(v.Item1, double.MaxValue)); //maxValue is a dummy value
beenAdded[v.Item1] = true;
}
//alt = distance[u.nodeID] + 1.0; // if all edge weights are just hops can simplify to this
alt = distance[u.nodeID] + v.Item2; // alt = dist(start-to-u) + dist(u-to-v), so alt is total distance from start to v
if (alt < distance[v.Item1]) // is alt a new, shorter distance from start to v?
{
distance[v.Item1] = alt;
previous[v.Item1] = u.nodeID;
PQ.ChangePriority(v.Item1, alt); // this will change the distance/priority
}
}
}
// extract the shortest path as a string from the previous[] array
pathResult = "NOTREACHABLE"; // default result string
distResult = -1.0; // distance result defaults to -1 == unreachable
if (distance.ContainsKey(endNodeAsLong) == true) // endNode was encountered at some point in the algorithm
{
double sp = distance[endNodeAsLong]; // shortest path distance
if (sp != double.MaxValue) // we have a reachable path
{
pathResult = "";
long currNode = endNodeAsLong;
while (currNode != startNodeAsLong) // construct the path as semicolon delimited string
{
pathResult += currNode.ToString() + ";";
currNode = previous[currNode];
}
pathResult += startNode.ToString(); // tack on the start node
distResult = sp; // the distance result
}
}
}
catch (Exception ex) // typically Out Of Memory or a Command TimeOut
{
pathResult = ex.ToString();
distResult = -1.0;
}
}
public override string ToString() => _sql.ToString();