The Doctor Rostering Problem - Asser Fahrenholz

Appendix A. Implementation 66
97 while ( test2 ) {
98 c = Math . random () * 1 > 0.5 ? n_rot . nextChange ( working ) :
n_inv . nextChange ( working );
99 working . performChange (c, false );
100 Pair < Integer , Pair < HashMap < Shift , HashSet >>, HashMap < Shift , HashSet >>>> sol = working .
getSolutionValue ( false , getRules ());
101 newLocalScore = sol . getE ();
102 newLocalVio = sol . getV (). getE (). size ();
103 if ( newLocalVio < bestVio ) {
104 setBestSchedule ( working );
105 localImprovements ++;
106 acceptedSolutions ++;
107 } else if ( newLocalVio == bestVio ) {
108 if (( newLocalScore > bestScore && ! minimize ) || (
newLocalScore < bestScore && minimize )) {
109 setBestSchedule ( working );
110 localImprovements ++;
111 acceptedSolutions ++;
112 } else {
113 working . performChange (c, true );
114 rejectedSolutions ++;
115 }
116 } else {
117 working . performChange (c, true );
118 rejectedSolutions ++;
119 }
120 test2 = ( super . type . compareTo ( Type . Rounds ) == 0) ? (
localLoopCounter ++ < maxLocalLoops ) : ( System . currentTimeMillis () -
startTimeLocal ) < timeToRunLocal ;
121 point = new XYDataItem ( super . type . compareTo ( Type . Rounds )
== 0 ? counter : ( System . currentTimeMillis () - startTime ), bestVio );
122 point2 = new XYDataItem ( super . type . compareTo ( Type . Rounds )
== 0 ? counter : ( System . currentTimeMillis () - startTime ), bestScore );
123 point3 = new XYDataItem ( super . type . compareTo ( Type . Rounds )
== 0 ? counter : ( System . currentTimeMillis () - startTime ), newLocalVio );
124 point4 = new XYDataItem ( super . type . compareTo ( Type . Rounds )
== 0 ? counter ++ : ( System . currentTimeMillis () - startTime ), newLocalScore );
125 series . add ( point );
126 series2 . add ( point2 );
127 series3 . add ( point3 );
128 series4 . add ( point4 );
129 }
130 }
131
132 test = ( super . type . compareTo ( Type . Rounds ) == 0) ? ( loopCounter ++
< maxRounds ) : (( System . currentTimeMillis () - startTime ) < getTimeToRun ());
133 firePropertyChange (" score ", null , bestScore );
134 firePropertyChange (" violations ", null , bestVio );
135 }
136
137 printGRASPStatsToConsole ();
138 printMetaStatsToConsole ();
139 } catch ( Exception e) {
140 System . out . println (" Caught exception : " + e. getCause ());