退火调度优化

rw-aps-server/src/main/java/com/rongwei/rwapsserver/aps/taskassigning/tado/TaskStartTimeListenerTa.java

@@ -395,13 +395,18 @@ public class TaskStartTimeListenerTa implements ListVariableListener<ApsSolution
                 minThGroupNames.add(bfgroupname);
                 // 获取前一炉合并工序的总重量
                 BigDecimal totalWeight = null;
-                for (ProductionProcessesTa mergePro : mergePros) {
-                    if(totalWeight == null){
-                        totalWeight = mergePro.getTotalSinglerollweight();
-                    }else{
-                        totalWeight = totalWeight.add(mergePro.getTotalSinglerollweight());
+                if(mergePros != null && mergePros.size()>0){
+                    for (ProductionProcessesTa mergePro : mergePros) {
+                        if(totalWeight == null){
+                            totalWeight = mergePro.getTotalSinglerollweight();
+                        }else{
+                            totalWeight = totalWeight.add(mergePro.getTotalSinglerollweight());
+                        }
                     }
+                }else{
+                    totalWeight = new BigDecimal("0");
                 }
+
                 totalWeight = totalWeight.add(process.getTotalSinglerollweight());
                 if(totalWeight.compareTo(equipmentTa.getEquipmentParameter().getEquipmentBearing())<=0 && process.getProcessType().equals(processbf.getProcessType())){
                     if(minThGroupNames.size() == 1){