@Override
  protected final ArrayList<HStoreFile> applyCompactionPolicy(ArrayList<HStoreFile> candidates,
    boolean mayUseOffPeak, boolean mayBeStuck) throws IOException {
    if (candidates.size() < comConf.getMinFilesToCompact()) {
      return new ArrayList<>(0);
    }
    return new ArrayList<>(candidates);
  }
Constructor.
@param conf            The Conf.
@param storeConfigInfo Info about the store.
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/EverythingPolicy.java