public synchronized boolean shouldArchiveTable(String tableName) {
    return archivedTables.contains(tableName);
  }
Determine if the given table should or should not allow its hfiles to be deleted in the archive
@param tableName name of the table to check
@return <tt>true</tt> if its store files should be retained, <tt>false</tt> otherwise
hbase-server/src/main/java/org/apache/hadoop/hbase/backup/example/HFileArchiveTableMonitor.java