public virtual void SetClassInfo(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo classInfo
)
{
if (classInfo != null)
{
this.classInfo = classInfo;
this.objectHeader.SetClassInfoId(classInfo.GetId());
}
}
/// <exception cref="System.IO.IOException"></exception>
public virtual NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo AddClass(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
newClassInfo, bool addDependentClasses)
{
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo ci = GetObjectWriter().AddClass(newClassInfo
, addDependentClasses);
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession lsession = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)GetSession(true);
lsession.SetClassInfoId(newClassInfo.GetFullClassName(), ci.GetId());
return(ci);
}
public virtual void AddClass(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo classInfo
)
{
if (classInfo.IsSystemClass())
{
rapidAccessForSystemClassesByName.Add(classInfo.GetFullClassName(), classInfo);
}
else
{
rapidAccessForUserClassesByName.Add(classInfo.GetFullClassName(), classInfo);
}
rapidAccessForClassesByOid.Add(classInfo.GetId(), classInfo);
allClassInfos.Add(classInfo);
}
public NonNativeObjectInfo(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo classInfo
) : base(null)
{
//new OdbArrayList<NonNativeObjectInfo>();
this.classInfo = classInfo;
this.objectHeader = new NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader(-1,
null, null, (classInfo != null ? classInfo.GetId() : null), null, null);
if (classInfo != null)
{
this.maxNbattributes = classInfo.GetMaxAttributeId();
this.attributeValues = new NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[maxNbattributes];
}
this.allNonNativeObjects = null;
}
/// <summary>This method is only used by the odb explorer.</summary>
/// <remarks>
/// This method is only used by the odb explorer. So there is no too much
/// problem with performance issue.
/// </remarks>
/// <param name="ci"></param>
/// <returns>The index of the class info</returns>
public virtual int SlowGetUserClassInfoIndex(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
ci)
{
System.Collections.IEnumerator iterator = rapidAccessForUserClassesByName.Values.
GetEnumerator();
int i = 0;
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo ci2 = null;
while (iterator.MoveNext())
{
ci2 = (NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo)iterator.Current;
if (ci2.GetId() == ci.GetId())
{
return(i);
}
i++;
}
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Odb.Core.NeoDatisError.ClassInfoDoesNotExistInMetaModel
.AddParameter(ci.GetFullClassName()));
}
public NonNativeObjectInfo(object @object, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
info, NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo[] values, long[]
attributesIdentification, int[] attributeIds) : base(NeoDatis.Odb.Core.Layers.Layer2.Meta.ODBType
.GetFromName(info.GetFullClassName()))
{
//new OdbArrayList<NonNativeObjectInfo>();
this.@object = @object;
this.classInfo = info;
this.attributeValues = values;
this.maxNbattributes = classInfo.GetMaxAttributeId();
if (attributeValues == null)
{
this.attributeValues = new NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[maxNbattributes];
}
this.objectHeader = new NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader(-1,
null, null, (classInfo != null ? classInfo.GetId() : null), attributesIdentification
, attributeIds);
this.allNonNativeObjects = new NeoDatis.Tool.Wrappers.List.OdbArrayList<NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo
>();
}
public override string ToString()
{
System.Text.StringBuilder buffer = new System.Text.StringBuilder();
if (message != null)
{
buffer.Append(message).Append(" | ");
}
if (oldCi.GetId() != newCi.GetId())
{
buffer.Append("old class=").Append(oldCi.GetFullClassName()).Append(" | new class="
).Append(newCi.GetFullClassName());
}
else
{
buffer.Append("class=").Append(oldCi.GetFullClassName());
}
buffer.Append(" | field=").Append(oldCi.GetAttributeInfo(fieldIndex).GetName());
buffer.Append(" | old=").Append(oldValue.ToString()).Append(" | new=").Append(newValue
.ToString());
buffer.Append(" | obj. hier. level=").Append(objectRecursionLevel);
return(buffer.ToString());
}
/// <summary>
/// Used to commit meta model : classes This is useful when running in client
/// server mode TODO Check this
/// </summary>
protected virtual void CommitMetaModel()
{
NeoDatis.Odb.Core.Layers.Layer2.Meta.MetaModel sessionMetaModel = session.GetMetaModel
();
// If meta model has not been modified, there is nothing to do
if (!sessionMetaModel.HasChanged())
{
return;
}
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Start commitMetaModel");
}
NeoDatis.Odb.Core.Layers.Layer2.Meta.MetaModel lastCommitedMetaModel = new NeoDatis.Odb.Core.Layers.Layer2.Meta.SessionMetaModel
();
if (isLocal)
{
// In local mode, we must not reload the meta model as there is no
// concurrent access
lastCommitedMetaModel = sessionMetaModel;
}
else
{
// In ClientServer mode, re-read the meta-model from the database
// base to get last update.
lastCommitedMetaModel = session.GetStorageEngine().GetObjectReader().ReadMetaModel
(lastCommitedMetaModel, false);
}
// Gets the classes that have changed (that have modified ,deleted or
// inserted objects)
System.Collections.Generic.IEnumerator <NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
> cis = sessionMetaModel.GetChangedClassInfo().GetEnumerator();
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo newCi = null;
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo lastCommittedCI = null;
NeoDatis.Odb.Core.Layers.Layer3.IObjectWriter writer = session.GetStorageEngine()
.GetObjectWriter();
NeoDatis.Odb.OID lastCommittedObjectOIDOfThisTransaction = null;
NeoDatis.Odb.OID lastCommittedObjectOIDOfPrevTransaction = null;
// for all changes between old and new meta model
while (cis.MoveNext())
{
newCi = cis.Current;
if (lastCommitedMetaModel.ExistClass(newCi.GetFullClassName()))
{
// The last CI represents the last committed meta model of the
// database
lastCommittedCI = lastCommitedMetaModel.GetClassInfoFromId(newCi.GetId());
// Just be careful to keep track of current CI committed zone
// deleted objects
lastCommittedCI.GetCommitedZoneInfo().SetNbDeletedObjects(newCi.GetCommitedZoneInfo
().GetNbDeletedObjects());
}
else
{
lastCommittedCI = newCi;
}
lastCommittedObjectOIDOfThisTransaction = newCi.GetCommitedZoneInfo().last;
lastCommittedObjectOIDOfPrevTransaction = lastCommittedCI.GetCommitedZoneInfo().last;
NeoDatis.Odb.OID lastCommittedObjectOID = lastCommittedObjectOIDOfPrevTransaction;
// If some object have been created then
if (lastCommittedObjectOIDOfPrevTransaction != null)
{
// Checks if last object of committed meta model has not been
// deleted
if (session.GetCache().IsDeleted(lastCommittedObjectOIDOfPrevTransaction))
{
// TODO This is wrong: if a committed transaction deleted a
// committed object and creates x new
// objects, then all these new objects will be lost:
// if it has been deleted then use the last object of the
// session class info
lastCommittedObjectOID = lastCommittedObjectOIDOfThisTransaction;
newCi.GetCommitedZoneInfo().last = lastCommittedObjectOID;
}
}
// Connect Unconnected zone to connected zone
// make next oid of last committed object point to first
// uncommitted object
// make previous oid of first uncommitted object point to
// last committed object
if (lastCommittedObjectOID != null && newCi.GetUncommittedZoneInfo().HasObjects())
{
if (newCi.GetCommitedZoneInfo().HasObjects())
{
// these 2 updates are executed directly without
// transaction, because
// We are in the commit process.
writer.UpdateNextObjectFieldOfObjectInfo(lastCommittedObjectOID, newCi.GetUncommittedZoneInfo
().first, false);
writer.UpdatePreviousObjectFieldOfObjectInfo(newCi.GetUncommittedZoneInfo().first
, lastCommittedObjectOID, false);
}
else
{
// Committed zone has 0 object
writer.UpdatePreviousObjectFieldOfObjectInfo(newCi.GetUncommittedZoneInfo().first
, null, false);
}
}
// The number of committed objects must be updated with the number
// of the last committed CI because a transaction may have been
// committed changing this number.
// Notice that the setNbObjects receive the full CommittedCIZoneInfo
// object
// because it will set the number of objects and the number of
// deleted objects
newCi.GetCommitedZoneInfo().SetNbObjects(lastCommittedCI.GetCommitedZoneInfo());
// and don't forget to set the deleted objects
// This sets the number of objects, the first object OID and the
// last object OID
newCi = BuildClassInfoForCommit(newCi);
writer.UpdateInstanceFieldsOfClassInfo(newCi, false);
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Analysing class " + newCi.GetFullClassName());
NeoDatis.Tool.DLogger.Debug("\t-Commited CI = " + newCi);
NeoDatis.Tool.DLogger.Debug("\t-connect last commited object with oid " + lastCommittedObjectOID
+ " to first uncommited object " + newCi.GetUncommittedZoneInfo().first);
NeoDatis.Tool.DLogger.Debug("\t-Commiting new Number of objects = " + newCi.GetNumberOfObjects
());
}
}
sessionMetaModel.ResetChangedClasses();
// To guarantee integrity after commit, the meta model is set to null
// If the user continues using odb instance after commit the meta model
// will be lazy-reloaded. Only for Client Server mode
if (!isLocal)
{
session.SetMetaModel(null);
}
}
public NonNativeObjectInfo(object @object, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
info, NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo[] values, long[]
attributesIdentification, int[] attributeIds) : base(NeoDatis.Odb.Core.Layers.Layer2.Meta.ODBType
.GetFromName(info.GetFullClassName()))
{
//new OdbArrayList<NonNativeObjectInfo>();
this.@object = @object;
this.classInfo = info;
this.attributeValues = values;
this.maxNbattributes = classInfo.GetMaxAttributeId();
if (attributeValues == null)
{
this.attributeValues = new NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[maxNbattributes];
}
this.objectHeader = new NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader(-1,
null, null, (classInfo != null ? classInfo.GetId() : null), attributesIdentification
, attributeIds);
this.allNonNativeObjects = new NeoDatis.Tool.Wrappers.List.OdbArrayList <NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo
>();
}
public NonNativeObjectInfo(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo classInfo
) : base(null)
{
//new OdbArrayList<NonNativeObjectInfo>();
this.classInfo = classInfo;
this.objectHeader = new NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader(-1,
null, null, (classInfo != null ? classInfo.GetId() : null), null, null);
if (classInfo != null)
{
this.maxNbattributes = classInfo.GetMaxAttributeId();
this.attributeValues = new NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[maxNbattributes];
}
this.allNonNativeObjects = null;
}
public virtual void SetClassInfo(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo classInfo
)
{
if (classInfo != null)
{
this.classInfo = classInfo;
this.objectHeader.SetClassInfoId(classInfo.GetId());
}
}
