/**
* Prints all leaf pages
*
* @param currentPageId
* @param keyType
* @throws IOException
* @throws ConstructPageException
* @throws IteratorException
* @throws InvalidFrameNumberException
* @throws HashEntryNotFoundException
* @throws PageUnpinnedException
* @throws ReplacerException
*/
private static void _printAllLeafPages(PageID currentPageId, int keyType)
throws IOException, ConstructPageException, IteratorException, InvalidFrameNumberException,
HashEntryNotFoundException, PageUnpinnedException, ReplacerException {
BTSortedPage sortedPage = new BTSortedPage(currentPageId, keyType);
if (sortedPage.getType() == NodeType.INDEX) {
BTIndexPage indexPage = new BTIndexPage((Page) sortedPage, keyType);
_printAllLeafPages(indexPage.getPrevPage(), keyType);
TID genid = new TID();
for (KeyDataEntry entry = indexPage.getFirst(genid);
entry != null;
entry = indexPage.getNext(genid)) {
_printAllLeafPages(((IndexData) entry.data).getData(), keyType);
}
}
if (sortedPage.getType() == NodeType.LEAF) {
printPage(currentPageId, keyType);
}
SystemDefs.JavabaseBM.unpinPage(currentPageId, true /*dirty*/);
}
/**
* Prints tree
*
* @param currentPageId
* @param prefix
* @param i
* @param keyType
* @throws IOException
* @throws ConstructPageException
* @throws IteratorException
* @throws HashEntryNotFoundException
* @throws InvalidFrameNumberException
* @throws PageUnpinnedException
* @throws ReplacerException
*/
private static void _printTree(PageID currentPageId, String prefix, int i, int keyType)
throws IOException, ConstructPageException, IteratorException, HashEntryNotFoundException,
InvalidFrameNumberException, PageUnpinnedException, ReplacerException {
BTSortedPage sortedPage = new BTSortedPage(currentPageId, keyType);
prefix = prefix + " ";
i++;
if (sortedPage.getType() == NodeType.INDEX) {
BTIndexPage indexPage = new BTIndexPage((Page) sortedPage, keyType);
System.out.println(i + prefix + indexPage.getPrevPage());
_printTree(indexPage.getPrevPage(), prefix, i, keyType);
TID genid = new TID();
for (KeyDataEntry entry = indexPage.getFirst(genid);
entry != null;
entry = indexPage.getNext(genid)) {
System.out.println(i + prefix + (IndexData) entry.data);
_printTree(((IndexData) entry.data).getData(), prefix, i, keyType);
}
}
SystemDefs.JavabaseBM.unpinPage(currentPageId, true /*dirty*/);
}