public static synchronized MetricsOSSSourceImpl getInstance()

in hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/metrics/MetricsOSSSourceImpl.java [97:102]

• 6 lines of code
• 2 McCabe index (conditional complexity)

  public static synchronized MetricsOSSSourceImpl getInstance(){
    if(instance == null){
      instance = new MetricsOSSSourceImpl();
    }
    return instance;
  }