/// <summary>
/// Gets or creates a database session and immediately returns a session.
/// </summary>
/// <param name="pathname"></param>
/// <returns></returns>
public MultithreadedContentDatabaseSession GetDatabaseSession(string pathname, int pageSize)
{
//Try to load from the session list
if (databaseSessions.TryGetValue(pathname, out MultithreadedContentDatabaseSession session))
{
return(session);
}
//Create
session = new MultithreadedContentDatabaseSession(this);
databaseSessions.TryAdd(pathname, session);
//Begin loading
OpenDatabaseCommand cmd = new OpenDatabaseCommand(session, pathname, pageSize);
commandQueue.Enqueue(cmd);
return(session);
}
public void ExecuteUseDatabaseCommand()
{
OpenDatabaseCommand command = new OpenDatabaseCommand(new NameExpression("testdb"), new ConstantExpression(OleDbConnectionString), new ConstantExpression(OleDbProviderFactoryName));
Machine machine = new Machine();
command.Execute(machine, machine.Environment);
object result = machine.Environment.GetValue(ValueEnvironment.CurrentDatabase);
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(Database));
Database database = (Database)result;
Assert.AreEqual(OleDbConnectionString, database.ConnectionString);
Assert.IsInstanceOfType(database.ProviderFactory, typeof(System.Data.OleDb.OleDbFactory));
object result2 = machine.Environment.GetValue("testdb");
Assert.IsTrue(result == result2);
}
public void ExecuteUseWorkAreaCommand()
{
OpenDatabaseCommand dbcommand = new OpenDatabaseCommand(new NameExpression("testdb"), new ConstantExpression(OleDbConnectionString), new ConstantExpression(OleDbProviderFactoryName));
Machine machine = new Machine();
dbcommand.Execute(machine, machine.Environment);
UseWorkAreaCommand command = new UseWorkAreaCommand(new NameExpression("testwa"), null);
command.Execute(machine, machine.Environment);
object result = machine.Environment.GetValue(ValueEnvironment.CurrentWorkArea);
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(WorkArea));
WorkArea workarea = (WorkArea)result;
Assert.AreEqual("testwa", workarea.Name);
object result2 = machine.Environment.GetValue("testwa");
Assert.IsTrue(result == result2);
}
