public void setTargetTableName(String[] tableNames) {
    if (tableNames != null) {
      for (String table : tableNames)
        this.targetTableSet.add(TableName.valueOf(table));
    }
  }
A tool that is used for manipulating and viewing favored nodes information for regions. Run with
-h to get a list of the options
hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionPlacementMaintainer.java