ostore.dataobj
Interface Btree.Predicate

All Known Implementing Classes:

TputGenerateChkptTest.RemoveGuidsHelper

Enclosing interface:

Btree

public static interface Btree.Predicate

This interface must be implemented by clients wishing to use any of the Depth-First Search (DFS) methods.

Method Summary

boolean

predicate(BtreeNode node, int index, HandleStore handle_store) Evaluates whether a DFS should descend into a child node.

Method Detail

predicate

public boolean predicate(BtreeNode node,
                         int index,
                         HandleStore handle_store)
                  throws CacheException

Evaluates whether a DFS should descend into a child node.

Parameters:

node - the node in the btree which is currently being searched

index - the index of the child which is being considered for descent

Returns:

true iff the search should descend to the child at the given index

CacheException