refactor JIT backward changeover scheduling

src/main/java/com/aps/entity/Algorithm/ScheduleResultDetail.java

@@ -18,6 +18,8 @@ public class ScheduleResultDetail {
     private double Quantity; // 时间段
     private double efficiency=1;//效率
     private List<TimeSegment> usedSegment;
+    // true 表示换型段，false 表示加工段。
+    private boolean setup;
 
 
     // Key 的 getter/setter

src/main/java/com/aps/service/Algorithm/GeneticDecoder.java

@@ -1297,40 +1297,48 @@ public class GeneticDecoder {
             lastGeneOnMachine=machineTasks.get(machineTasks.size()-1);
         }
 
+        BackwardChangeoverHelper backwardChangeoverHelper =
+                new BackwardChangeoverHelper(_globalParam, baseTime, machineCalculator);
+
         // 下面开始生成正式的 geneDetails。
         // 与 buildMachinePreview 的区别是：这里得到的结果会继续向下写入 GAScheduleResult，成为真正排程结果。
-        //if (_globalParam.is_smoothChangeOver()) {
-            if (false) {
-            //是否考虑换型时间
-            Map<Integer,Object> reslte = calculateSetupTime(lastGeneOnMachine, operation, machine,earliestStartTime,processingTimeTotal, _globalParam.is_smoothChangeOverInWeek(),chromosome.getAllOperations());
-            setupTime=(int)reslte.get(1);//换型时间
-            int setupStartTime=(int)reslte.get(2);//换型开始时间
-            //earliestStartTime=(int)reslte.get(3);//上个任务的结束时间
-            earliestStartTime=(int)reslte.get(4);//最早开工时间
-            processingTimeTotal=(int)reslte.get(5);//processingTimeTotal
-            if(setupTime==0)
-            {
+        if (true) {
+            if (isJit) {
+                BackwardChangeoverHelper.JitBackwardScheduleResult backwardResult =
+                        backwardChangeoverHelper.scheduleJitBackwardWithChangeover(machine, operation, earliestStartTime,
+                                processingTimeTotal, processingTime, machineTasks, chromosome.getAllOperations());
+                geneDetails = backwardResult.getGeneDetails();
+                setupTime = backwardResult.getSetupTime();
+            } else {
+                // 非 JIT 正排 + 考虑换型：沿用原来的正排换型逻辑。
+                Map<Integer,Object> reslte = calculateSetupTime(lastGeneOnMachine, operation, machine, earliestStartTime,
+                        processingTimeTotal, _globalParam.is_smoothChangeOverInWeek(), chromosome.getAllOperations());
+                setupTime = (int) reslte.get(1);//换型时间
+                int setupStartTime = (int) reslte.get(2);//换型开始时间
+                earliestStartTime = (int) reslte.get(4);//最早开工时间
+                processingTimeTotal = (int) reslte.get(5);//processingTimeTotal
+                if (setupTime == 0) {
                     geneDetails = machineCalculator.getNextAvailableTime(machine, operation, earliestStartTime, -1,
-                        processingTimeTotal, machineTasks, operation.getIsInterrupt()!=1, true,processingTime, operation.getQuantity(), true,isJit);
-
-            }else {
-                CopyOnWriteArrayList<TimeSegment> AvailableTimeSegment = (CopyOnWriteArrayList<TimeSegment>) reslte.get(6);
-
-                Map<Integer,Object> result = machineCalculator.CreateScheduleResult(machine, operation, processingTimeTotal, earliestStartTime,
-                        AvailableTimeSegment, processingTime, operation.getQuantity(), operation.getIsInterrupt() != 1, setupTime, _globalParam.is_smoothChangeOverInWeek(), setupStartTime,isJit);
-
-
-
-                setupTime=(int)result.get(1);
+                            processingTimeTotal, machineTasks, operation.getIsInterrupt() != 1, true,
+                            processingTime, operation.getQuantity(), true, isJit);
+                } else {
+                    CopyOnWriteArrayList<TimeSegment> AvailableTimeSegment =
+                            (CopyOnWriteArrayList<TimeSegment>) reslte.get(6);
+                    Map<Integer,Object> result = machineCalculator.CreateScheduleResult(machine, operation,
+                            processingTimeTotal, earliestStartTime, AvailableTimeSegment, processingTime,
+                            operation.getQuantity(), operation.getIsInterrupt() != 1, setupTime,
+                            _globalParam.is_smoothChangeOverInWeek(), setupStartTime, isJit);
+                    setupTime = (int) result.get(1);
                     operation.setChangeLineTime(setupTime);
-                geneDetails=(CopyOnWriteArrayList<ScheduleResultDetail>) result.get(2);
+                    geneDetails = (CopyOnWriteArrayList<ScheduleResultDetail>) result.get(2);
                 }
-        }else {
+            }
+        } else {
+            // 不考虑换型：是否倒排由 isJit 参数交给 MachineCalculator 控制。
             geneDetails = machineCalculator.getNextAvailableTime(machine, operation, earliestStartTime, -1,
-                    processingTimeTotal, machineTasks, operation.getIsInterrupt()!=1, true,processingTime, operation.getQuantity(), true,isJit);
-
+                    processingTimeTotal, machineTasks, operation.getIsInterrupt() != 1, true,
+                    processingTime, operation.getQuantity(), true, isJit);
         }
-
 //       FileHelper.writeLogFile("  开始    "+operation.getGroupId()+" : "+operation.getId()+",处理时间: " + processingTime + ", 后处理: " + teardownTime +
 //                ", 前处理: " + preTime + ", 换型: " + setupTime+ ", 数量: " + operation.getQuantity()+ ", 设备: "+machine.getId()+ ", 是否可中断: "+operation.getIsInterrupt());
 
@@ -2593,6 +2601,8 @@ if(geneDetails!=null&&geneDetails.size()>0)
     private String ConvertTime(int minute) {
         return baseTime.plusSeconds(minute).format(java.time.format.DateTimeFormatter.ofPattern("YYYY-MM-dd HH:mm"));
     }
+
+
     private Map<Integer,Object> calculateSetupTime(GAScheduleResult  lastGeneOnMachine, Entry operation, Machine machine, int earliestStartTime,int processingTimeTotal,boolean changeOverInWeek,List<Entry> allOperations) {
 
         Map<Integer,Object> reslte=new HashMap<>();