public virtual bool IsDeleted(NeoDatis.Odb.OID oid)
{
if (oid == null)
{
throw new ODBRuntimeException(NeoDatisError.CacheNullOid);
}
IdInfo idInfo = null;
objectPositionsByIds.TryGetValue(oid, out idInfo);
if (idInfo != null)
{
return(idInfo.status == IDStatus.Deleted);
}
return(false);
}
public virtual void SavePositionOfObjectWithOid(NeoDatis.Odb.OID oid, long objectPosition
)
{
if (oid == null)
{
throw new ODBRuntimeException(NeoDatisError.CacheNullOid);
}
IdInfo idInfo = new IdInfo(oid, objectPosition, IDStatus.Active);
objectPositionsByIds[oid] = idInfo;
// For monitoring purpose
nbObjects = objects.Count;
nbOids = oids.Count;
nbOih = objectInfoPointersCacheFromOid.Count;
}
public virtual void MarkIdAsDeleted(NeoDatis.Odb.OID oid)
{
if (oid == null)
{
throw new ODBRuntimeException(NeoDatisError.CacheNullOid);
}
IdInfo idInfo = null;
objectPositionsByIds.TryGetValue(oid, out idInfo);
if (idInfo != null)
{
idInfo.status = IDStatus.Deleted;
}
else
{
idInfo = new IdInfo(oid, -1, IDStatus.Deleted);
objectPositionsByIds[oid] = idInfo;
}
}
/// <summary>
/// Returns the position or -1 if it is not is the cache or
/// StorageEngineConstant.NULL_OBJECT_ID_ID if it has been marked as deleted
/// </summary>
public virtual long GetObjectPositionByOid(NeoDatis.Odb.OID oid)
{
if (oid == null)
{
return(StorageEngineConstant.NullObjectIdId);
}
IdInfo idInfo = null;
objectPositionsByIds.TryGetValue(oid, out idInfo);
if (idInfo != null)
{
if (!IDStatus.IsActive(idInfo.status))
{
return(StorageEngineConstant.DeletedObjectPosition);
}
return(idInfo.position);
}
// object is not in the cache
return(StorageEngineConstant.ObjectIsNotInCache);
}
public virtual void MarkIdAsDeleted(NeoDatis.Odb.OID oid)
{
if (oid == null)
{
throw new ODBRuntimeException(NeoDatisError.CacheNullOid);
}
IdInfo idInfo = null;
objectPositionsByIds.TryGetValue(oid,out idInfo);
if (idInfo != null)
{
idInfo.status = IDStatus.Deleted;
}
else
{
idInfo = new IdInfo(oid, -1, IDStatus.Deleted);
objectPositionsByIds[oid] = idInfo;
}
}
public virtual void SavePositionOfObjectWithOid(NeoDatis.Odb.OID oid, long objectPosition
)
{
if (oid == null)
{
throw new ODBRuntimeException(NeoDatisError.CacheNullOid);
}
IdInfo idInfo = new IdInfo(oid, objectPosition,IDStatus.Active);
objectPositionsByIds[oid] = idInfo;
// For monitoring purpose
nbObjects = objects.Count;
nbOids = oids.Count;
nbOih = objectInfoPointersCacheFromOid.Count;
}
