/**
* Returns a pblHashSet with a shallow copy of this collection instance.
* An application specific hash value function can be set.
*
* The elements themselves are not copied.
*
* NULL elements contained in the collection are silently ignored.
*
* This method has a memory and time complexity of O(N),
* with N being the number of elements in the collection.
*
* @return PblSet * retPtr != NULL: A pointer to the new set.
* @return PblSet * retPtr == NULL: An error, see pbl_errno:
*
* <BR>PBL_ERROR_OUT_OF_MEMORY - Out of memory.
* <BR>PBL_ERROR_PARAM_COLLECTION - The collection cannot be iterated.
* <BR>PBL_ERROR_CONCURRENT_MODIFICATION - The collection was modified concurrently.
* <BR>PBL_ERROR_OUT_OF_BOUNDS - Maximum capacity of the hash set exceeded.
*/
PblSet * pblCollectionConvertToHashSet(
PblCollection * collection, /** The collection to convert */
int ( *hashValue ) /** The hash value function for the new set, may be NULL */
(
const void* element /** The element to get the hash value for */
))
{
PblSet * set = pblSetNewHashSet();
if( !set )
{
return NULL;
}
set->compare = collection->compare;
if( hashValue )
{
( (PblHashSet*)set )->hashValue = hashValue;
}
else if( PBL_SET_IS_HASH_SET( collection ) )
{
( (PblHashSet*)set )->hashValue
= ( (PblHashSet*)collection )->hashValue;
}
if( pblSetAddAll( set, collection ) < 0 )
{
pblSetFree( set );
return NULL;
}
return set;
}
/**
* Removes all of the mappings from this map and frees the map's memory from heap.
*
* For hash maps this method has a time complexity of O(N).
* For tree maps this method has a time complexity of O(N * Log N).
*
* @return void
*/
void pblMapFree( /* */
PblMap * map /** The map to free */
)
{
pblMapClear( map );
pblSetFree( map->entrySet );
PBL_FREE(map);
}
/**
* Returns a pblTreeSet with a shallow copy of this collection instance.
*
* The elements themselves are not copied.
*
* NULL elements contained in the collection are silently ignored.
*
* This method has a memory complexity of O( N ) and a time complexity of O(N * Log N),
* with N being the number of elements in the collection.
*
* @return PblSet * retPtr != NULL: A pointer to the new set.
* @return PblSet * retPtr == NULL: An error, see pbl_errno:
*
* <BR>PBL_ERROR_OUT_OF_MEMORY - Out of memory.
* <BR>PBL_ERROR_PARAM_COLLECTION - The collection cannot be iterated.
* <BR>PBL_ERROR_CONCURRENT_MODIFICATION - The collection was modified concurrently.
*/
PblSet * pblCollectionConvertToTreeSet(
PblCollection * collection /** The collection to convert */
)
{
PblSet * set = pblSetNewTreeSet();
if( !set )
{
return NULL;
}
set->compare = collection->compare;
if( pblSetAddAll( set, collection ) < 0 )
{
pblSetFree( set );
return NULL;
}
return set;
}
