public void setConf(Configuration conf) {
super.setConf(conf);
if (conf == null) return;
if (conf.getBoolean("segment.merger.filter", false)) {
filters = new URLFilters(conf);
mergeFilters = new SegmentMergeFilters(conf);
}
if (conf.getBoolean("segment.merger.normalizer", false))
normalizers = new URLNormalizers(conf, URLNormalizers.SCOPE_DEFAULT);
sliceSize = conf.getLong("segment.merger.slice", -1);