internal TransactionWork(TableSourceComposite composite, Transaction transaction, IEnumerable<TableSource> selectedFromTables, IEnumerable<IMutableTable> touchedTables, TransactionRegistry journal)
{
Composite = composite;
Transaction = transaction;
SelectedFromTables = selectedFromTables;
// Get individual journals for updates made to tables in this
// transaction.
// The list TableEventRegistry
ChangedTables = touchedTables.Select(t => t.EventRegistry).Where(tableJournal => tableJournal.EventCount > 0);
// The list of tables created by this journal.
CreatedTables = journal.TablesCreated;
// Ths list of tables dropped by this journal.
DroppedTables = journal.TablesDropped;
// The list of tables that constraints were alter by this journal
ConstraintAlteredTables = journal.TablesConstraintAltered;
// Get the list of all database objects that were created in the
// transaction.
ObjectsCreated = transaction.Registry.ObjectsCreated;
// Get the list of all database objects that were dropped in the
// transaction.
ObjectsDropped = transaction.Registry.ObjectsDropped;
CommitId = transaction.CommitId;
}
internal Database(DatabaseSystem system, IDatabaseContext context)
{
System = system;
Context = context;
Name = Context.DatabaseName();
DiscoverDataVersion();
TableComposite = new TableSourceComposite(this);
Context.RegisterInstance(this);
Context.RegisterInstance <ITableSourceComposite>(TableComposite);
Locker = new Locker(this);
Sessions = new ActiveSessionList(this);
// Create the single row table
var t = new TemporaryTable(context, "SINGLE_ROW_TABLE", new ColumnInfo[0]);
t.NewRow();
SingleRowTable = t;
TransactionFactory = new DatabaseTransactionFactory(this);
}
internal Database(DatabaseSystem system, IDatabaseContext context)
{
System = system;
Context = context;
Name = Context.DatabaseName();
DiscoverDataVersion();
TableComposite = new TableSourceComposite(this);
Context.RegisterInstance(this);
Context.RegisterInstance<ITableSourceComposite>(TableComposite);
Locker = new Locker(this);
Sessions = new ActiveSessionList(this);
// Create the single row table
var t = new TemporaryTable(context, "SINGLE_ROW_TABLE", new ColumnInfo[0]);
t.NewRow();
SingleRowTable = t;
TransactionFactory = new DatabaseTransactionFactory(this);
}
internal TableManager(ITransaction transaction, TableSourceComposite composite)
{
if (transaction == null)
throw new ArgumentNullException("transaction");
Transaction = transaction;
Composite = composite;
visibleTables = new List<TableSource>();
tableIndices = new List<IIndexSet>();
accessedTables = new List<IMutableTable>();
tableCache = new Dictionary<ObjectName, IMutableTable>();
selectedTables = new List<TableSource>();
}
/// <summary>
/// Initializes a new instance of the <see cref="Database"/> class providing
/// a given parent <see cref="IDatabaseContext"/>.
/// </summary>
/// <param name="context">The database context that provides the required
/// configurations and services to the database.</param>
public Database(IDatabaseContext context)
{
DatabaseContext = context;
DiscoverDataVersion();
TableComposite = new TableSourceComposite(this);
// Create the single row table
var t = new TemporaryTable(context, "SINGLE_ROW_TABLE", new ColumnInfo[0]);
t.NewRow();
SingleRowTable = t;
TransactionFactory = new DatabaseTransactionFactory(this);
}
private void Dispose(bool disposing)
{
if (!disposed) {
if (disposing) {
if (IsOpen) {
// TODO: Report the error
}
if (Locker != null)
Locker.Reset();
if (TableComposite != null)
TableComposite.Dispose();
if (Context != null)
Context.Dispose();
if (System != null)
System.RemoveDatabase(this);
}
Locker = null;
System = null;
TableComposite = null;
Context = null;
disposed = true;
}
}
private void Dispose(bool disposing)
{
if (disposing) {
if (IsOpen) {
// TODO: Report the error
}
TableComposite.Dispose();
DatabaseContext.Dispose();
}
TableComposite = null;
DatabaseContext = null;
}
private void Dispose(bool disposing)
{
if (!disposed) {
if (disposing) {
if (IsOpen) {
// TODO: Report the error
}
if (Locker != null)
Locker.Dispose();
if (TableComposite != null)
TableComposite.Dispose();
if (TransactionFactory != null &&
(TransactionFactory is IDisposable))
(TransactionFactory as IDisposable).Dispose();
if (Context != null)
Context.Dispose();
if (System != null)
System.RemoveDatabase(this);
}
TransactionFactory = null;
Locker = null;
System = null;
TableComposite = null;
Context = null;
disposed = true;
}
}
