/**
* Is the key equal to the combined key.
*
* @param entry the entry to compare to
* @param key1 the first key
* @param key2 the second key
* @return true if the key matches
*/
protected bool isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2)
{
MultiKey multi = (MultiKey)entry.getKey();
return
(multi.size() == 2 &&
(key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
(key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))));
}
/**
* Is the key equal to the combined key.
*
* @param entry the entry to compare to
* @param key1 the first key
* @param key2 the second key
* @param key3 the third key
* @param key4 the fourth key
* @param key5 the fifth key
* @return true if the key matches
*/
protected bool isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2, Object key3, Object key4, Object key5)
{
MultiKey multi = (MultiKey)entry.getKey();
return
(multi.size() == 5 &&
(key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
(key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))) &&
(key3 == null ? multi.getKey(2) == null : key3.equals(multi.getKey(2))) &&
(key4 == null ? multi.getKey(3) == null : key4.equals(multi.getKey(3))) &&
(key5 == null ? multi.getKey(4) == null : key5.equals(multi.getKey(4))));
}
//-----------------------------------------------------------------------
/**
* Removes all mappings where the first key is that specified.
* <p>
* This method removes all the mappings where the <code>MultiKey</code>
* has one or more keys, and the first matches that specified.
*
* @param key1 the first key
* @return true if any elements were removed
*/
public bool removeAll(Object key1)
{
bool modified = false;
MapIterator it = mapIterator();
while (it.hasNext())
{
MultiKey multi = (MultiKey)it.next();
if (multi.size() >= 1 &&
(key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))))
{
it.remove();
modified = true;
}
}
return(modified);
}
/**
* Removes all mappings where the first four keys are those specified.
* <p>
* This method removes all the mappings where the <code>MultiKey</code>
* has four or more keys, and the first four match those specified.
*
* @param key1 the first key
* @param key2 the second key
* @param key3 the third key
* @param key4 the fourth key
* @return true if any elements were removed
*/
public bool removeAll(Object key1, Object key2, Object key3, Object key4)
{
bool modified = false;
MapIterator it = mapIterator();
while (it.hasNext())
{
MultiKey multi = (MultiKey)it.next();
if (multi.size() >= 4 &&
(key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
(key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))) &&
(key3 == null ? multi.getKey(2) == null : key3.equals(multi.getKey(2))) &&
(key4 == null ? multi.getKey(3) == null : key4.equals(multi.getKey(3))))
{
it.remove();
modified = true;
}
}
return(modified);
}