@ Override public WSStatistic getStatistic ( int dataId ) { ArrayList members = copyStatistics ( ) ; if ( members == null || members . size ( ) <= 0 ) return null ; int sz = members . size ( ) ; for ( int i = 0 ; i < sz ; i ++ ) { StatisticImpl data = ( StatisticImpl ) members . get ( i ) ; if ( data != null && data . getId ( ) == dataId ) { return data ; } } return null ; }
get Statistic by data id