antville/helma
antville/helma
1
1
Fork 0
Code Issues 5 Pull requests 7 Projects Releases 5 Activity Actions

Implemented utility method containsKeys(Object[]) to let us check which of an array of

Browse source 
keys are present in the CacheMap. This is used by Node.prefetchChildren() to get only
those child nodes which aren't in the cache already.
This commit is contained in:
hns 2002-09-12 17:20:52 +00:00
parent 2a4d03ac13
commit 9da41c78e6
1 changed files with 23 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/helma/util/CacheMap.java
View file

@ -146,7 +146,29 @@ public class CacheMap {
return false;
}
/// Gets the object associated with the specified key in the
/// Returns the number of keys in object array <code>keys</code> that
// were not found in the Map.
// Those keys that are contained in the Map are nulled out in the array.
// @param keys an array of key objects we are looking for
// @see LruHashtable#contains
public synchronized int containsKeys (Object[] keys) {
int notfound = 0;
for (int i=0; i<keys.length; i++) {
if (newTable.containsKey(keys[i]))
keys[i] = null;
else if (oldTable.containsKey (keys[i])) {
// Move object from old table to new table.
Object value = oldTable.get (keys[i]);
newTable.put (keys[i], value);
oldTable.remove (keys[i]);
keys[i] = null;
} else
notfound++;
}
return notfound;
}
/// Gets the object associated with the specified key in the
// hashtable.
// @param key the specified key
// @returns the element for the key or null if the key