private void BuildDisplay(IBTreeNode node, int currentHeight, object parentId, bool withIds)
{
if (currentHeight > _lines.Length - 1)
{
return;
}
// get string buffer of this line
var line = _lines[currentHeight];
if (withIds)
{
line.Append(node.GetId()).Append(":[");
}
else
{
line.Append("[");
}
for (var i = 0; i < node.GetNbKeys(); i++)
{
if (i > 0)
{
line.Append(" , ");
}
var keyAndValue = node.GetKeyAndValueAt(i);
line.Append(keyAndValue.GetKey());
}
if (withIds)
{
line.Append("]:").Append(node.GetParentId()).Append("/").Append(parentId).Append(" ");
}
else
{
line.Append("] ");
}
for (var i = 0; i < node.GetNbChildren(); i++)
{
var child = node.GetChildAt(i, false);
if (child != null)
{
BuildDisplay(child, currentHeight + 1, node.GetId(), withIds);
}
else
{
_lines[currentHeight + 1].Append(string.Concat("[Child {0} null!] ", (i + 1).ToString()));
}
}
}
public override void SetChildAt(IBTreeNode child, int index)
{
if (child != null)
{
if (child.GetId() == null)
Btree.GetPersister().SaveNode(child);
_childrenOids[index] = (OID) child.GetId();
child.SetParent(this);
}
else
{
_childrenOids[index] = null;
}
}
public override void SetParent(IBTreeNode node)
{
_parent = node;
if (_parent != null)
{
if (_parent.GetId() == null)
Btree.GetPersister().SaveNode(_parent);
_parentOid = (OID) _parent.GetId();
}
else
{
_parentOid = null;
}
}
public override void SetChildAt(IBTreeNode child, int index)
{
if (child != null)
{
if (child.GetId() == null)
{
Btree.GetPersister().SaveNode(child);
}
_childrenOids[index] = (OID)child.GetId();
child.SetParent(this);
}
else
{
_childrenOids[index] = null;
}
}
public override void SetParent(IBTreeNode node)
{
_parent = node;
if (_parent != null)
{
if (_parent.GetId() == null)
{
Btree.GetPersister().SaveNode(_parent);
}
_parentOid = (OID)_parent.GetId();
}
else
{
_parentOid = null;
}
}
/// <summary>
/// saves the bree node Only puts the current node in an 'modified Node' map to be saved on commit
/// </summary>
public void SaveNode(IBTreeNode node)
{
OID oid;
// Here we only save the node if it does not have id,
// else we just save into the hashmap
if (node.GetId() == StorageEngineConstant.NullObjectId)
{
try
{
// 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 (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Debug(string.Format("LazyOdbBtreePersister: Saved node id {0}", oid));
}
// + " : " +
// node.toString());
if (_tree != null && node.GetBTree() == null)
{
node.SetBTree(_tree);
}
_oids.Add(oid, node);
return;
}
catch (Exception e)
{
throw new OdbRuntimeException(BTreeError.InternalError.AddParameter("While saving node"), e);
}
}
oid = (OID)node.GetId();
_oids.Add(oid, node);
AddModifiedOid(oid);
}
private static int IndexOfChild(IBTreeNode parent, IBTreeNode child)
{
for (var i = 0; i < parent.GetNbChildren(); i++)
{
if (parent.GetChildAt(i, true).GetId().Equals(child.GetId()))
{
return(i);
}
}
var errorMessage = string.Format("parent {0} does not have the specified child : {1}", parent, child);
throw new OdbRuntimeException(NDatabaseError.InternalError.AddParameter(errorMessage));
}
private void BuildDisplay(IBTreeNode node, int currentHeight, object parentId, bool withIds)
{
if (currentHeight > _lines.Length - 1)
return;
// get string buffer of this line
var line = _lines[currentHeight];
if (withIds)
line.Append(node.GetId()).Append(":[");
else
line.Append("[");
for (var i = 0; i < node.GetNbKeys(); i++)
{
if (i > 0)
line.Append(" , ");
var keyAndValue = node.GetKeyAndValueAt(i);
line.Append(keyAndValue.GetKey());
}
if (withIds)
line.Append("]:").Append(node.GetParentId()).Append("/").Append(parentId).Append(" ");
else
line.Append("] ");
for (var i = 0; i < node.GetNbChildren(); i++)
{
var child = node.GetChildAt(i, false);
if (child != null)
BuildDisplay(child, currentHeight + 1, node.GetId(), withIds);
else
_lines[currentHeight + 1].Append(string.Concat("[Child {0} null!] ", (i + 1).ToString()));
}
}
/// <summary>
/// saves the bree node Only puts the current node in an 'modified Node' map to be saved on commit
/// </summary>
public void SaveNode(IBTreeNode node)
{
OID oid;
// Here we only save the node if it does not have id,
// else we just save into the hashmap
if (node.GetId() == StorageEngineConstant.NullObjectId)
{
try
{
// 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 (OdbConfiguration.IsLoggingEnabled())
DLogger.Debug(string.Format("LazyOdbBtreePersister: Saved node id {0}", oid));
// + " : " +
// node.toString());
if (_tree != null && node.GetBTree() == null)
node.SetBTree(_tree);
_oids.Add(oid, node);
return;
}
catch (Exception e)
{
throw new OdbRuntimeException(BTreeError.InternalError.AddParameter("While saving node"), e);
}
}
oid = (OID) node.GetId();
_oids.Add(oid, node);
AddModifiedOid(oid);
}
