本文整理汇总了C#中SessionBase.OpenDatabase方法的典型用法代码示例。如果您正苦于以下问题：C# SessionBase.OpenDatabase方法的具体用法？C# SessionBase.OpenDatabase怎么用？C# SessionBase.OpenDatabase使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SessionBase的用法示例。
在下文中一共展示了SessionBase.OpenDatabase方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: loadCities
void loadCities(SessionBase session)
{
Database db = session.OpenDatabase(session.DatabaseNumberOf(typeof(City)));
if (db != null)
{
var src = from City city in db.AllObjects<City>() select city;
CityName.ItemsSource = src;
Country.ItemsSource = src;
Latitude.ItemsSource = src;
Longitude.ItemsSource = src;
//State.ItemsSource = src;
//Population.ItemsSource = src;
CreateDatabasePanel.Visibility = System.Windows.Visibility.Collapsed;
HelpLabel.Visibility = System.Windows.Visibility.Collapsed;
}
}示例2: Recover1
public void Recover1(SessionBase session)
{
Database db = null;
session.BeginUpdate();
db = session.OpenDatabase(88, true, false);
if (db != null)
session.DeleteDatabase(db);
db = session.OpenDatabase(89, true, false);
if (db != null)
session.DeleteDatabase(db);
session.Commit();
session.BeginUpdate();
db = session.NewDatabase(88);
session.FlushUpdates();
session.Abort();
session.BeginUpdate();
db = session.NewDatabase(88);
SortedSetAny<float> floatSet;
Oid floatSetOid;
string dbPath = System.IO.Path.Combine(systemDir, "89.odb");
Placement place = new Placement(88);
for (int i = 0; i < 10; i++)
{
floatSet = new SortedSetAny<float>();
floatSet.Persist(place, session);
floatSetOid = floatSet.Oid;
}
db = session.NewDatabase(89);
session.Commit();
File.Delete(dbPath);
session.BeginUpdate();
db = session.NewDatabase(89);
session.Commit();
FileInfo info = new FileInfo(dbPath);
info.CopyTo(dbPath + "X");
session.BeginUpdate();
SortedSetAny<int> intSet;
place = new Placement(89);
for (int i = 0; i < 10; i++)
{
intSet = new SortedSetAny<int>();
intSet.Persist(place, session);
}
db = session.OpenDatabase(88);
var list = db.AllObjects<SortedSetAny<float>>();
foreach (SortedSetAny<float> set in list)
set.Unpersist(session);
db = session.OpenDatabase(89);
session.Commit();
intSet = null;
db = null; // release refs so that cached data isn't stale
File.Delete(dbPath);
info = new FileInfo(dbPath + "X");
info.MoveTo(dbPath);
session.BeginUpdate();
intSet = (SortedSetAny<int>)session.Open(89, 1, 1, false);
Debug.Assert(intSet == null);
object o = session.Open(88, 1, 1, false);
floatSet = (SortedSetAny<float>)o;
Debug.Assert(floatSet != null);
session.Commit();
session.BeginUpdate();
db = session.OpenDatabase(88);
session.DeleteDatabase(db);
db = session.OpenDatabase(89);
session.DeleteDatabase(db);
session.Commit();
}示例3: SyncWith
static public void SyncWith(this SessionBase sessionToUpdate, SessionBase sessionToRead, Func<SessionBase, UInt64, Change, bool> doUpdate)
{
UInt64 currentVersion;
UInt64 pageToReadVersion;
bool conflictFound = false;
using (var reader = sessionToRead.BeginRead())
{
Changes changes = (Changes)sessionToRead.Open(5, 1, 1, false);
if (changes != null)
{
using (var updater = sessionToUpdate.BeginUpdate())
{
var dbs = sessionToUpdate.OpenAllDatabases();
ReplicaSync matchingReplicaSync = null;
foreach (ReplicaSync sync in sessionToUpdate.AllObjects<ReplicaSync>())
{
if (sync.SyncFromHost == sessionToRead.SystemHostName && sync.SyncFromPath == sessionToRead.SystemDirectory)
{
matchingReplicaSync = sync;
break;
}
}
if (changes.ChangeList.Count > 0)
{
foreach (TransactionChanges transactionChanges in changes.ChangeList)
{
if (matchingReplicaSync == null || matchingReplicaSync.TransactionNumber < transactionChanges.TransactionNumber)
{
foreach (Change change in transactionChanges.ChangeList)
{
Database dbToUpdate = sessionToUpdate.OpenDatabase(change.DatabaseId, false, false);
Database dbToRead = sessionToRead.OpenDatabase(change.DatabaseId, false, false);
string dbName = dbToRead != null ? dbToRead.Name : null;
if (change.Deleted)
{
if (dbToUpdate == null) // does not exist
continue;
if (change.PageId == 0) // Database delete
{
currentVersion = dbToUpdate.Page.PageInfo.VersionNumber;
if (currentVersion < change.Version)
sessionToUpdate.DeleteDatabase(dbToUpdate);
else
{
conflictFound = true;
if (doUpdate(sessionToUpdate, currentVersion, change))
sessionToUpdate.DeleteDatabase(dbToUpdate);
}
}
else
{
Page page = sessionToUpdate.OpenPage(dbToUpdate, change.PageId);
if (page == null) // page does not exist
continue;
currentVersion = page.PageInfo.VersionNumber;
if (currentVersion < change.Version)
sessionToUpdate.DeletePage(dbToUpdate, page);
else
{
conflictFound = true;
if (doUpdate(sessionToUpdate, currentVersion, change))
sessionToUpdate.DeleteDatabase(dbToUpdate);
}
}
}
else
{
if (dbToUpdate == null) // does not exist
dbToUpdate = sessionToUpdate.NewDatabase(change.DatabaseId, 0, dbName);
if (change.PageId > 0)
{
Page pageToUpdate = sessionToUpdate.OpenPage(dbToUpdate, change.PageId);
Page pageToRead = sessionToRead.OpenPage(dbToRead, change.PageId);
if (pageToRead == null) // upcoming (not yet processed) changes must have deleted this page
continue;
currentVersion = pageToUpdate == null ? 0 : pageToUpdate.PageInfo.VersionNumber;
pageToReadVersion = pageToRead.PageInfo.VersionNumber;
if (currentVersion < pageToReadVersion || dbToUpdate.IsNew)
sessionToUpdate.ReplacePage(dbToUpdate, pageToUpdate, pageToRead);
else
{
conflictFound = true;
if (doUpdate(sessionToUpdate, currentVersion, change))
sessionToUpdate.ReplacePage(dbToUpdate, pageToUpdate, pageToRead);
}
}
}
}
}
}
UInt64 lastTransactionNumber = changes.ChangeList.Last().TransactionNumber;
if (matchingReplicaSync != null)
matchingReplicaSync.TransactionNumber = lastTransactionNumber;
if (conflictFound)
{
sessionToUpdate.Verify();
}
sessionToUpdate.Commit();
if (matchingReplicaSync == null)
{
//.........这里部分代码省略.........