public void SetChildrensParentPageNumber(DiskFunctionality df)
{
TreeItem treeItem1;
TreeItem treeItem2;
List <TreeItem> .Enumerator enumerator = itemList.GetEnumerator();
enumerator.MoveNext();
treeItem1 = enumerator.Current;
if (treeItem1.leftChildNumber == -1)
{
return;
}
Page child = df.ReadPage(treeItem1.leftChildNumber);
child.parentPageNumber = currentPageNumber;
df.SavePage(child);
while (enumerator.MoveNext())
{
treeItem2 = enumerator.Current;
child = df.ReadPage(treeItem2.leftChildNumber);
child.parentPageNumber = currentPageNumber;
df.SavePage(child);
treeItem1 = treeItem2;
}
child = df.ReadPage(treeItem1.rightChildNumber);
child.parentPageNumber = currentPageNumber;
df.SavePage(child);
}
public void SetParentsChildrenPageNumber(int lastPageNumber, DiskFunctionality df)
{
if (parentPageNumber == -1)
{
return;
}
Page ancestorPage = df.ReadPage(parentPageNumber);
List <TreeItem> .Enumerator e = ancestorPage.itemList.GetEnumerator();
TreeItem iterator;
while (e.MoveNext())
{
iterator = e.Current;
if (iterator.leftChildNumber == lastPageNumber)
{
iterator.leftChildNumber = currentPageNumber;
}
if (iterator.rightChildNumber == lastPageNumber)
{
iterator.rightChildNumber = currentPageNumber;
}
}
df.SavePage(ancestorPage);
}
