Examples with PagesList org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList used on opensource projects

Example 1 with PagesList

use of org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList in project ignite by apache.

the class GridCacheProcessor method pagesListViewSupplier.

/**
 * Pages list view supplier.
 *
 * @param filter Filter.
 */
private Iterable<CachePagesListView> pagesListViewSupplier(Map<String, Object> filter) {
    Integer cacheGrpId = (Integer) filter.get(CachePagesListViewWalker.CACHE_GROUP_ID_FILTER);
    Integer partId = (Integer) filter.get(CachePagesListViewWalker.PARTITION_ID_FILTER);
    Integer bucketNum = (Integer) filter.get(CachePagesListViewWalker.BUCKET_NUMBER_FILTER);
    Iterable<IgniteCacheOffheapManager.CacheDataStore> dataStores = F.flat(F.iterator(filteredMap(cacheGrps, cacheGrpId).values(), grp -> grp.offheap().cacheDataStores(), true));
    return F.flat(F.iterator(dataStores, dataStore -> {
        RowStore rowStore = dataStore.rowStore();
        if (rowStore == null || !(dataStore instanceof GridCacheOffheapManager.GridCacheDataStore))
            return Collections.emptySet();
        PagesList pagesList = (PagesList) rowStore.freeList();
        if (bucketNum != null) {
            return bucketNum >= 0 && bucketNum < pagesList.bucketsCount() ? Collections.singleton(new CachePagesListView(pagesList, bucketNum, dataStore.partId())) : Collections.emptyList();
        }
        return IntStream.range(0, pagesList.bucketsCount()).mapToObj(bucket -> new CachePagesListView(pagesList, bucket, dataStore.partId())).collect(toList());
    }, true, cacheDataStore -> partId == null || cacheDataStore.partId() == partId));
}