本文整理汇总了C#中SessionBase.FlushUpdates方法的典型用法代码示例。如果您正苦于以下问题:C# SessionBase.FlushUpdates方法的具体用法?C# SessionBase.FlushUpdates怎么用?C# SessionBase.FlushUpdates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.FlushUpdates方法的2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: 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2: createDocumentInvertedIndex
static void createDocumentInvertedIndex(SessionBase session, Database db, BTreeSet<Document> documentSet)
{
UInt32 dbNum = db.DatabaseNumber;
Document doc = null;
Document inputDoc = new Document(db.Id);
Placement wordPlacement = new Placement(inputDoc.DatabaseNumber, 20000, 1, 25000, 65000, true, false, 1, false);
Placement wordHitPlacement = new Placement(inputDoc.DatabaseNumber, 40000, 1, 25000, 65500, true, false, 1, false);
//session.SetTraceDbActivity(db.DatabaseNumber);
BTreeSetIterator<Document> iterator = documentSet.Iterator();
iterator.GoTo(inputDoc);
inputDoc = iterator.Current();
while (inputDoc != null && inputDoc.Page.Database.DatabaseNumber == dbNum)
{
doc = (Document)session.Open(inputDoc.Page.Database, inputDoc.Id); // if matching database is availeble, use it to speed up lookup
DocumentText docText = doc.Content;
string text = docText.Text.ToLower();
MatchCollection tagMatches = Regex.Matches(text, "[a-z][a-z.$]+");
UInt64 wordCt = 0;
WordHit wordHit;
Word word;
if (++s_docCountIndexed % 50000 == 0)
Console.WriteLine(DateTime.Now.ToString() + ", done indexing article: " + s_docCountIndexed);
BTreeSetOidShort<Word> wordSet = doc.WordSet;
foreach (Match m in tagMatches)
{
word = new Word(m.Value);
if (wordSet.TryGetKey(word, ref word))
{
//wordHit = doc.WordHit[word]; // to costly to add tight now - figure out a better way ?
//wordHit.Add(wordCt);
}
else
{
word = new Word(m.Value);
word.Persist(wordPlacement, session);
wordSet.Add(word);
wordHit = new WordHit(doc, wordCt++, session);
//wordHit.Persist(wordHitPlacement, session);
doc.WordHit.ValuePlacement = wordHitPlacement;
doc.WordHit.AddFast(word, wordHit);
}
}
inputDoc = iterator.Next();
}
session.FlushUpdates(db);
session.ClearCachedObjects(db); // free up memory for objects we no longer need to have cached
Console.WriteLine(DateTime.Now.ToString() + ", done indexing article: " + s_docCountIndexed + " Database: " + dbNum + " is completed.");
}