Examples with GridCountDownCallback org.apache.ignite.internal.util.GridCountDownCallback used on opensource projects

Example 1 with GridCountDownCallback

use of org.apache.ignite.internal.util.GridCountDownCallback in project ignite by apache.

the class GridCacheDatabaseSharedManager method rebuildIndexes.

/**
 * Rebuilding indexes for caches.
 *
 * @param contexts Collection of cache contexts for which indexes should be rebuilt.
 * @param rebuildCond Condition that should be met for indexes to be rebuilt for specific cache.
 * @param force Force rebuild indexes.
 * @return Cache contexts that did not pass by {@code rebuildCond}.
 */
private Collection<GridCacheContext> rebuildIndexes(Collection<GridCacheContext> contexts, Predicate<GridCacheContext> rebuildCond, boolean force) {
    GridQueryProcessor qryProc = cctx.kernalContext().query();
    if (!qryProc.moduleEnabled())
        return emptyList();
    GridCountDownCallback rebuildIndexesCompleteCntr = new GridCountDownCallback(contexts.size(), () -> {
        if (log.isInfoEnabled())
            log.info("Indexes rebuilding completed for all caches.");
    }, // need at least 1 index rebuilded to print message about rebuilding completion
    1);
    Collection<GridCacheContext> rejected = null;
    for (GridCacheContext cacheCtx : contexts) {
        if (rebuildCond.test(cacheCtx)) {
            IgniteInternalFuture<?> rebuildFut = qryProc.rebuildIndexesFromHash(cacheCtx, force || !qryProc.rebuildIndexesCompleted(cacheCtx));
            if (rebuildFut != null)
                rebuildFut.listen(fut -> rebuildIndexesCompleteCntr.countDown(true));
            else
                rebuildIndexesCompleteCntr.countDown(false);
        } else {
            if (rejected == null)
                rejected = new ArrayList<>();
            rejected.add(cacheCtx);
        }
    }
    return rejected == null ? emptyList() : rejected;
}