private LinkDataMap selectOutLink(Scan scan, HbaseTable table, ResultsExtractor<LinkDataMap> resultExtractor, int parallel) {
        TableName outLinkTableName = tableNameProvider.getTableName(table);
        LinkDataMap linkDataMap = this.hbaseTemplate.findParallel(outLinkTableName, scan, rowKeyDistributor, resultExtractor, parallel);
        if (logger.isDebugEnabled()) {
            logger.debug("OUT_LINK {} data: {}", outLinkTableName.getNameAsString(), linkDataMap);
        }
        if (LinkDataMapUtils.hasLength(linkDataMap)) {
            return linkDataMap;
        }
        return new LinkDataMap();
    }
@author netspider
@author emeroad
@author HyunGil Jeong
web/src/main/java/com/navercorp/pinpoint/web/applicationmap/dao/hbase/HbaseMapOutLinkDao.java