public void IOptimizedPersistableField(bool useServerSession)
{
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
for (int i = 0; i < 10; i++)
{
var dict = new PersistableDynamicDictionary();
session.Persist(dict);
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
session.TraceIndexUsage = true;
DateTime now = DateTime.UtcNow;
var q = from dict in session.Index <PersistableDynamicDictionary>("m_creationTime") where dict.CreationTime < now && dict.CreationTime >= now.AddYears(-1) select dict;
Assert.GreaterOrEqual(q.Count(), 10);
q = from dict in session.Index <PersistableDynamicDictionary>("m_creationTime") where dict.CreationTime > DateTime.UtcNow.AddYears(-1) select dict;
Assert.GreaterOrEqual(q.Count(), 10);
session.Commit();
}
}
public void IndexSample2(bool useServerSession)
{
CreateDirectoryAndCopyLicenseDb();
Random rd = new Random();
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
for (int i = 0; i < 100; i++)
{
MeasurePoint p = new MeasurePoint(i + 1)
{
Data = new List <float>()
};
for (int j = 0; j < 440000; j++)
{
p.Data.Add(rd.Next(100));
}
session.Persist(p);
}
var value = session.DatabaseNumberOf(typeof(MeasurePoint));
Database db = session.OpenDatabase(value, false, false);
if (db != null)
{
var q = from point in session.Index <MeasurePoint>("key", db) where point.Key == 10 select point;
foreach (MeasurePoint obj in q)
{
Console.WriteLine(obj.Key + " " + obj.Data.Count);
}
}
session.Commit();
}
}
public TEntity?Find <TEntity>(
Func <TEntity, bool> predicate,
SessionBase session) where TEntity : EntityBase
{
return(SchemaExistsOnDatabase(session)
? session.Index <TEntity>()?.FirstOrDefault(predicate)
: null);
}
public static TEntity Read <TEntity>(
Func <TEntity, bool> predicate,
SessionBase session) where TEntity : EntityBase
{
var index =
session.Index <TEntity>()
?? throw new InvalidOperationException(
$"Cannot find {typeof(TEntity).Name} index.");
return(index.First(predicate));
}
public void TestIndex()
{
var obj1 = new PersistentClass("OBJ1");
_session.Persist(obj1);
var obj2 = new PersistentClass("OBJ2");
_session.Persist(obj2);
_session.Checkpoint();
var index = _session.Index <PersistentClass>("_name");
var computedCount = Enumerable.Count(index);
Assert.AreEqual(2, computedCount);
Assert.AreEqual(2, index.Count);
}
public IDevice GetDevice(ulong?uid = null, ulong?ownerUid = null)
{
IEnumerable <Device> e;
Predicate <Device> p = x =>
(uid == null || x.Uid == uid) &&
(ownerUid == null || x.OwnerUid == ownerUid);
if (uid != null)
{
e = _session.Index <Device>("_uid").Where(x => x.Uid == uid);
}
else if (ownerUid != null)
{
e = _session.Index <Device>("_ownerUid").Where(x => x.OwnerUid == ownerUid);
}
else
{
e = _session.AllObjects <Device>();
}
lock (_session)
{
return(e.Where(x => p(x)).SingleOrDefault());
}
}
string DisplayData(bool useServerSession)
{
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
StringBuilder sb = new StringBuilder();
session.BeginRead();
try
{
BTreeBase <RDerby1, RDerby1> index = null;
try
{
session.Index <RDerby1>();
}
catch (IndexDatabaseNotSpecifiedException)
{
UInt32 dbId = session.DatabaseNumberOf(typeof(RDerby1));
Database db = session.OpenDatabase(dbId);
index = session.Index <RDerby1>(db);
}
// for testing
//var index = session.Index<Test1_0_0Class>("name2");
// create variable so that can examine in Locals
if (index != null) // should not be null?
{
// get all
var testEntries = from t in index
select t;
int count = testEntries.ToList <RDerby1>().Count;
int i = 0;
sb.AppendLine("Session Details:");
sb.AppendLine(index.ToStringDetails(session));
sb.AppendLine("Results:");
foreach (RDerby1 test in testEntries)
{
try
{
string values = test.Name + ", " + test.Name2 + ", " + test.Added;
sb.AppendLine(string.Format("{0, -5:00000}: {1}", i++, values));
}
catch (Exception ex)
{
return("Exception thrown in for each loop: " + ex.Message);
}
}
}
else
{
return("Index was null");
// why is the index null?
}
}
catch (Exception ex)
{
return("Exception occured prior to loop: " + ex.Message);
// examine problem using breakpoint.
}
finally
{
session.Commit();
}
return(sb.ToString());
}
}
public void IndexSample(bool useServerSession)
{
string brandName = "Toyota";
string color = "Blue";
int maxPassengers = 5;
int fuelCapacity = 40;
double litresPer100Kilometers = 5;
DateTime modelYear = new DateTime(2003, 1, 1);
string modelName = "Highlander";
int maxSpeed = 200;
int odometer = 100000;
string registrationState = "Texas";
string registrationPlate = "TX343434";
string insurancePolicy = "CAA7878787";
DriversLicense license = new DriversLicense("California", "B7788888", DateTime.Now + new TimeSpan(1825, 0, 0, 0));
Person person = new Person("Mats Persson", license);
InsuranceCompany insuranceCompany = new InsuranceCompany("Allstate", "858727878");
Car car = new Car(color, maxPassengers, fuelCapacity, litresPer100Kilometers, modelYear, brandName, modelName, maxSpeed,
odometer, registrationState, registrationPlate, insuranceCompany, insurancePolicy);
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
foreach (Database db in session.OpenAllDatabases(true))
{
if (db.DatabaseNumber >= 10 || db.DatabaseNumber == SessionBase.IndexDescriptorDatabaseNumber)
{
session.DeleteDatabase(db);
}
}
session.Commit();
session.BeginUpdate();
DatabaseLocation defaultLocation = session.DatabaseLocations.Default();
List <Database> dbList = session.OpenLocationDatabases(defaultLocation, true);
foreach (Database db in dbList)
{
if (db.DatabaseNumber > Database.InitialReservedDatabaseNumbers)
{
session.DeleteDatabase(db);
}
}
session.DeleteLocation(defaultLocation);
session.Commit();
CreateDirectoryAndCopyLicenseDb();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
int ct = 0;
var mIndex = session.Index <Motorcycle>();
if (mIndex != null)
{
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
}
Assert.AreEqual(ct, 0);
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
for (int i = 0; i < 10000; i++)
{
Motorcycle mc = new Motorcycle();
session.Persist(mc);
}
session.Commit();
session.BeginUpdate();
int ct = 0;
var mIndex = session.Index <Car>();
if (mIndex != null)
{
foreach (Car c in mIndex)
{
Assert.NotNull(c);
++ct;
}
}
Assert.AreEqual(ct, 0);
ct = 0;
session.RegisterClass(typeof(Person));
foreach (Person p in session.AllObjects <Person>(true, false))
{
Assert.NotNull(p);
++ct;
}
session.Commit();
session.BeginRead();
ct = 0;
foreach (Motorcycle mc in session.AllObjects <Motorcycle>(false, true))
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
session.Commit();
session.BeginRead();
ct = 0;
foreach (Motorcycle mc in session.AllObjects <Motorcycle>(false, true))
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
session.Abort();
session.BeginRead();
ct = 0;
foreach (Motorcycle mc in session.AllObjects <Motorcycle>(false, true))
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
session.Commit();
session.BeginRead();
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
session.Abort();
session.BeginRead();
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
session.Commit();
try
{
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 10000);
}
catch (NotInTransactionException ex)
{
Console.WriteLine(ex.Message);
}
session.BeginUpdate();
ct = 0;
foreach (Motorcycle mc in session.AllObjects <Motorcycle>(false, true))
{
if (++ct % 2 == 0)
{
mc.Unpersist(session);
}
}
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
++ct;
}
Assert.AreEqual(ct, 5000);
session.Abort();
session.BeginUpdate();
ct = 0;
foreach (Motorcycle mc in session.AllObjects <Motorcycle>(false, true))
{
if (++ct % 2 == 0)
{
mc.Unpersist(session);
}
}
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 5000);
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 5000);
ct = 0;
try
{
foreach (Motorcycle mc in session.Index <Motorcycle>("ccx"))
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 5000);
}
catch (FieldDoesNotExistException)
{
}
session.Commit();
session.BeginUpdate();
ct = 0;
double prior = -44.0;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
mc.CC = mc.CC - prior;
prior = mc.CC;
++ct;
}
Assert.AreEqual(ct, 2500);
for (int i = 0; i < 95000; i++)
{
Motorcycle mc = new Motorcycle();
session.Persist(mc);
}
session.FlushUpdates();
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 100000);
session.Abort();
session.BeginUpdate();
ct = 0;
prior = double.MinValue;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
Assert.GreaterOrEqual(mc.CC, prior);
prior = mc.CC;
++ct;
if (ct < 25)
{
Console.Write(prior.ToString() + " ");
}
}
ct = 0;
prior = -44.0;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
mc.CC = mc.CC - prior;
prior = mc.CC;
++ct;
}
Assert.AreEqual(ct, 2500);
session.Commit();
session.BeginUpdate();
ct = 0;
prior = double.MinValue;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
Assert.GreaterOrEqual(mc.CC, prior);
prior = mc.CC;
++ct;
}
for (int i = 0; i < 95000; i++)
{
Motorcycle mc = new Motorcycle();
session.Persist(mc);
DataBaseFileEntry dbEntry = new DataBaseFileEntry {
Something = "Something"
};
session.Persist(dbEntry);
mc.AddChild(dbEntry);
mc.AddChild(dbEntry);
}
session.FlushUpdates();
ct = 0;
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
++ct;
}
Assert.AreEqual(ct, 100000);
session.Commit();
session.BeginRead();
session.Abort();
session.BeginUpdate();
foreach (Motorcycle mc in session.Index <Motorcycle>())
{
Assert.NotNull(mc);
VelocityDbList <DataBaseFileEntry> children = mc.Children;
if (children != null && children.Count > 0)
{
mc.RemoveChild(children[0]);
}
++ct;
}
session.Commit();
session.BeginRead();
ct = 0;
prior = double.MinValue;
foreach (Motorcycle mc in session.Index <Motorcycle>("cc"))
{
Assert.NotNull(mc);
Assert.GreaterOrEqual(mc.CC, prior);
prior = mc.CC;
++ct;
}
Assert.AreEqual(ct, 100000);
session.Commit();
Console.WriteLine("Motorcycle index Test OK");
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
session.Persist(car);
registrationState = "Maine";
car = new Car(color, maxPassengers, fuelCapacity, litresPer100Kilometers, modelYear, brandName, modelName, maxSpeed,
odometer, registrationState, registrationPlate, insuranceCompany, insurancePolicy);
session.Persist(car);
color = "Red";
maxPassengers = 5;
fuelCapacity = 50;
litresPer100Kilometers = 8;
modelYear = new DateTime(2006, 1, 1);
brandName = "Toyota";
modelName = "Tacoma";
maxSpeed = 210;
odometer = 50000;
registrationState = "Texas";
registrationPlate = "TX343433";
insurancePolicy = "CAA7878777";
car = new Car(color, maxPassengers, fuelCapacity, litresPer100Kilometers, modelYear, brandName, modelName, maxSpeed,
odometer, registrationState, registrationPlate, insuranceCompany, insurancePolicy);
session.Persist(car);
color = "Black";
maxPassengers = 5;
fuelCapacity = 60;
litresPer100Kilometers = 3;
modelYear = new DateTime(2001, 1, 1);
brandName = "Lincoln";
modelName = "Town Car";
maxSpeed = 220;
odometer = 250000;
registrationState = "Texas";
registrationPlate = "TX543433";
insurancePolicy = "CAA7878775";
for (int i = 0; i < 1; i++)
{
registrationState = RandomString(2);
registrationPlate = RandomString(12);
car = new Car(color, maxPassengers, fuelCapacity, litresPer100Kilometers, modelYear, brandName, modelName, maxSpeed, odometer, registrationState, registrationPlate, insuranceCompany, insurancePolicy);
session.Persist(car);
color = null;
maxPassengers = i;
fuelCapacity = 60;
litresPer100Kilometers = 3;
modelYear = new DateTime(2001, 1, 1);
brandName = "Null Car";
modelName = null;
maxSpeed = 220;
odometer = 250000;
insurancePolicy = null;
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
Console.WriteLine("Blue Cars");
BTreeSet <Car> bTree = session.Index <Car>("color");
foreach (Car c in (from aCar in bTree where aCar.Color == "Blue" select aCar))
{
Console.WriteLine(c.ToStringDetails(session));
}
Console.WriteLine("Cars in fuel efficierncy order");
foreach (Car c in session.Index <Car>("litresPer100Kilometers"))
{
Console.WriteLine(c.ToStringDetails(session));
}
Console.WriteLine("Vehicles ordered modelYear, brandName, modelName, color");
foreach (Vehicle v in session.Index <Vehicle>())
{
Console.WriteLine(v.ToStringDetails(session));
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
// these LINQ statements will trigger a binary search lookup (not a linear serach) of the matching Car objects in the BTreeSet
Car c = (from aCar in session.Index <Car>("color") where aCar.Color == "Blue" select aCar).First();
c.Color = "Green";
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
// these LINQ statements will trigger a binary search lookup (not a linear serach) of the matching Car objects in the BTreeSet
Car c = (from aCar in session.Index <Car>("color") where aCar.Color == "Green" select aCar).First();
UInt64 id = c.Id;
session.DeleteObject(id);
session.Abort();
session.BeginUpdate();
session.DeleteObject(id);
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
Stopwatch sw = new Stopwatch();
sw.Start();
session.BeginRead();
// these LINQ statements will trigger a binary search lookup (not a linear serach) of the matching Car objects in the BTreeSet
Console.WriteLine("Blue Cars");
foreach (Car c in (from aCar in session.Index <Car>("color") where aCar.Color == "Blue" select aCar))
{
Console.WriteLine(c.ToStringDetails(session));
}
session.Commit();
sw.Stop();
Console.WriteLine(sw.Elapsed);
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
for (int i = 0; i < 10000; i++)
{ // add some junk to make search harder
car = new Car(color, maxPassengers, fuelCapacity, litresPer100Kilometers, modelYear, brandName, modelName, i,
odometer, registrationState, registrationPlate + i, insuranceCompany, insurancePolicy);
session.Persist(car);
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
// these LINQ statements will trigger a binary search lookup (not a linear serach) of the matching Car objects in the BTreeSet
Console.WriteLine("Blue Cars");
foreach (Car c in (from aCar in session.Index <Car>("color") where aCar.Color == "Blue" select aCar))
{
Console.WriteLine(c.ToStringDetails(session));
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
Car c = (from aCar in session.Index <Car>("color") where aCar.Color == "Blue" select aCar).First();
c.Unpersist(session);
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
foreach (Car c in session.Index <Car>())
{
Console.WriteLine(c.ToStringDetails(session));
}
Console.WriteLine("Blue Cars");
foreach (Car c in (from aCar in session.Index <Car>() where aCar.Color == "Blue" select aCar))
{
Console.WriteLine(c.ToStringDetails(session));
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
InsuranceCompany prior = insuranceCompany;
try
{
for (int i = 0; i < 100000; i++)
{
insuranceCompany = new InsuranceCompany("AAA", "858787878");
insuranceCompany.Persist(session, prior);
prior = insuranceCompany;
}
Assert.IsTrue(false); // should not get here
}
catch (UniqueConstraintException)
{
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
Database db = session.OpenDatabase(session.DatabaseNumberOf(typeof(InsuranceCompany)));
var q = from company in session.Index <InsuranceCompany>("name", db) where company.Name == "AAA" select company;
foreach (InsuranceCompany company in q)
{
Console.WriteLine(company.ToStringDetails(session)); // only one will match
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
InsuranceCompany prior = insuranceCompany;
try
{
for (int i = 0; i < 100000; i++)
{
insuranceCompany = new InsuranceCompany("AAA", "858787878");
session.Persist(insuranceCompany);
}
Assert.IsTrue(false); // should not get here
}
catch (UniqueConstraintException)
{
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
Database db = session.OpenDatabase(session.DatabaseNumberOf(typeof(InsuranceCompany)));
var q = from company in session.Index <InsuranceCompany>("name", db) where company.Name == "AAA" select company;
foreach (InsuranceCompany company in q)
{
Console.WriteLine(company.ToStringDetails(session)); // only one will match
}
bool exists = (from anEntry in session.Index <InsuranceCompany>("name", db) where anEntry.Name == "AAA" select 0).Any();
Assert.IsTrue(exists);
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
try
{
for (int i = 0; i < 100000; i++)
{
insuranceCompany = new InsuranceCompanySpecial("AAA", "858787878");
session.Persist(insuranceCompany);
}
Assert.IsTrue(false); // should not get here
}
catch (UniqueConstraintException)
{
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginUpdate();
try
{
for (int i = 0; i < 100000; i++)
{
insuranceCompany = new InsuranceCompanySpecial2("AAA", "858787878");
session.Persist(insuranceCompany);
}
Assert.IsTrue(false); // should not get here
}
catch (UniqueConstraintException)
{
}
session.Commit();
}
using (SessionBase session = useServerSession ? (SessionBase) new ServerClientSession(systemDir) : (SessionBase) new SessionNoServer(systemDir))
{
session.BeginRead();
Database db = session.OpenDatabase(session.DatabaseNumberOf(typeof(InsuranceCompanySpecial)));
var q = from company in session.Index <InsuranceCompany>("name", db) where company.Name == "AAA" select company;
foreach (InsuranceCompany company in q)
{
Console.WriteLine(company.ToStringDetails(session)); // only one will match
}
bool exists = (from anEntry in session.Index <InsuranceCompanySpecial>("name", db) where anEntry.Name == "AAA" select 0).Any();
Assert.IsTrue(exists);
session.Commit();
}
}