public virtual void AddField(string className, System.Type fieldType, string fieldName
)
{
NeoDatis.Odb.Core.Layers.Layer2.Meta.MetaModel metaModel = storageEngine.GetSession
(true).GetMetaModel();
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo ci = metaModel.GetClassInfo(className
, true);
// The real attribute id (-1) will be set in the ci.addAttribute
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassAttributeInfo cai = new NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassAttributeInfo
(-1, fieldName, fieldType.FullName, ci);
ci.AddAttribute(cai);
storageEngine.GetObjectWriter().UpdateClassInfo(ci, true);
}
public virtual void TestSize()
{
DeleteBase("writing.neodatis");
DeleteBase("writing");
DeleteBase("reserving.neodatis");
DeleteBase("reserving");
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine engine1 = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetClientStorageEngine(new NeoDatis.Odb.Core.Layers.Layer3.IOFileParameter
(NeoDatis.Odb.Test.ODBTest.Directory + "writing.neodatis", true, null, null));
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine engine2 = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetClientStorageEngine(new NeoDatis.Odb.Core.Layers.Layer3.IOFileParameter
(NeoDatis.Odb.Test.ODBTest.Directory + "reserving.neodatis", true, null, null));
NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface writingFsi = engine1.
GetObjectWriter().GetFsi();
NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface reservingFsi = engine2
.GetObjectWriter().GetFsi();
AssertEquals(writingFsi.GetLength(), reservingFsi.GetLength());
Write(writingFsi, false);
Write(reservingFsi, true);
AssertEquals(writingFsi.GetLength(), reservingFsi.GetLength());
engine1.Commit();
engine1.Close();
engine2.Commit();
engine2.Close();
DeleteBase("writing.neodatis");
DeleteBase("reserving.neodatis");
}
public virtual void Test2B()
{
if (!isLocal)
{
return;
}
NeoDatis.Odb.Core.Layers.Layer3.Engine.IByteArrayConverter byteArrayConverter = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetByteArrayConverter();
DeleteBase("test78.neodatis");
// 155 : to avoid protected zone
NeoDatis.Odb.Core.Transaction.IWriteAction wa1 = new NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
(300 + 1, byteArrayConverter.IntToByteArray(1), "size");
NeoDatis.Odb.Core.Transaction.IWriteAction wa2 = new NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
(300 + 15, byteArrayConverter.StringToByteArray(" 1 - ol√° chico! - 1", true, -1
, true), "name");
NeoDatis.Odb.Core.Transaction.IWriteAction wa3 = new NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
(300 + 1, byteArrayConverter.IntToByteArray(2), "size");
NeoDatis.Odb.Core.Transaction.IWriteAction wa4 = new NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
(300 + 15, byteArrayConverter.StringToByteArray(" 2 - ol√° chico! - 2", true, -1
, true), "name");
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine se = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetClientStorageEngine(new NeoDatis.Odb.Core.Layers.Layer3.IOFileParameter
(NeoDatis.Odb.Test.ODBTest.Directory + "test78.neodatis", true, null, null));
// se.close();
NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface fsi = se.GetObjectWriter
().GetFsi();
// new FileSystemInterface(null,se.getSession(),new
// IOFileParameter("test.neodatis",true),false,Configuration.getDefaultBufferSizeForData());
NeoDatis.Odb.Core.Transaction.ITransaction transaction = se.GetSession(true).GetTransaction
();
transaction.SetArchiveLog(true);
transaction.ManageWriteAction(wa1.GetPosition(), wa1.GetBytes(0));
transaction.ManageWriteAction(wa2.GetPosition(), wa2.GetBytes(0));
transaction.ManageWriteAction(wa3.GetPosition(), wa3.GetBytes(0));
transaction.ManageWriteAction(wa4.GetPosition(), wa4.GetBytes(0));
// transaction.getFsi().flush();
NeoDatis.Odb.Core.Transaction.IWriteAction wat1 = (NeoDatis.Odb.Core.Transaction.IWriteAction
)((NeoDatis.Odb.Impl.Core.Transaction.DefaultTransaction)transaction).GetWriteActions
()[2];
byte[] bytes = wat1.GetBytes(0);
transaction.Commit();
NeoDatis.Odb.Impl.Core.Transaction.DefaultTransaction transaction2 = NeoDatis.Odb.Impl.Core.Transaction.DefaultTransaction
.Read(NeoDatis.Odb.Test.ODBTest.Directory + transaction.GetName());
NeoDatis.Odb.Core.Transaction.IWriteAction wat2 = (NeoDatis.Odb.Core.Transaction.IWriteAction
)transaction2.GetWriteActions()[2];
AssertEquals(NeoDatis.Tool.DisplayUtility.ByteArrayToString(bytes), NeoDatis.Tool.DisplayUtility
.ByteArrayToString(wat2.GetBytes(0)));
AssertEquals(wat1.GetPosition(), wat2.GetPosition());
transaction2.Rollback();
fsi.Close();
DeleteBase("test78.neodatis");
DeleteBase(transaction.GetName());
}
/// <summary>
/// saves the bree node Only puts the current node in an 'modified Node' map
/// to be saved on commit
/// </summary>
public virtual object SaveNode(NeoDatis.Btree.IBTreeNode node)
{
NeoDatis.Odb.OID oid = null;
// Here we only save the node if it does not have id,
// else we just save into the hashmap
if (node.GetId() == NeoDatis.Odb.Impl.Core.Layers.Layer3.Engine.StorageEngineConstant
.NullObjectId)
{
try
{
nbSaveNodes++;
// first get the oid. : -2:it could be any value
oid = engine.GetObjectWriter().GetIdManager().GetNextObjectId(-2);
node.SetId(oid);
oid = engine.Store(oid, node);
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Saved node id " + oid);
}
// + " : " +
// node.toString());
if (tree != null && node.GetBTree() == null)
{
node.SetBTree(tree);
}
oids.Add(oid, node);
return(oid);
}
catch (System.Exception e)
{
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Btree.BTreeError.InternalError
.AddParameter("While saving node"), e);
}
}
nbSaveNodesInCache++;
oid = (NeoDatis.Odb.OID)node.GetId();
oids.Add(oid, node);
AddModifiedOid(oid);
return(oid);
}
