add a new metrics to the registry concode_field_sep ConcurrentHashMap<String,MetricsBase> metricsList concode_field_sep int size concode_elem_sep Collection<MetricsBase> getMetricsList concode_elem_sep MetricsBase get concode_elem_sep Collection<String> getKeyList
void function ( final String arg0 , final MetricsBase arg1 ) { if ( metricsList . putIfAbsent ( arg0 , arg1 ) != null ) { throw new IllegalArgumentException ( "srini_string" + arg0 ) ; } }