@Override
  public long getStoreFileTtl() {
    // TTL only applies if there's no MIN_VERSIONs setting on the column.
    return (this.scanInfo.getMinVersions() == 0) ? this.scanInfo.getTtl() : Long.MAX_VALUE;
  }
Returns TTL in seconds of the specified family
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java