From 1699cafdfb76f354882ee5e6142e1b024de32c64 Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期一, 27 四月 2026 13:03:18 +0800
Subject: [PATCH] fix: stop labeling undirected topology as directional

---
 src/main/java/com/zy/common/utils/NavigateUtils.java |  151 ++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 132 insertions(+), 19 deletions(-)

diff --git a/src/main/java/com/zy/common/utils/NavigateUtils.java b/src/main/java/com/zy/common/utils/NavigateUtils.java
index a36d2bc..2dbe19c 100644
--- a/src/main/java/com/zy/common/utils/NavigateUtils.java
+++ b/src/main/java/com/zy/common/utils/NavigateUtils.java
@@ -27,6 +27,7 @@
 import com.zy.asrs.service.StationCycleCapacityService;
 import com.zy.asrs.service.StationPathPolicyService;
 import com.zy.core.News;
+import org.springframework.scheduling.annotation.Scheduled;
 import com.zy.core.model.StationObjModel;
 import com.zy.core.model.command.StationCommand;
 import com.zy.core.enums.StationCommandType;
@@ -55,7 +56,7 @@
 public class NavigateUtils {
 
     private static final long STATION_PATH_SLOW_LOG_THRESHOLD_MS = 500L;
-    private static final long STATION_PATH_RUNTIME_SNAPSHOT_TTL_MS = 200L;
+    private static final long STATION_PATH_RUNTIME_SNAPSHOT_TTL_MS = 2000L;
     private static final double CONGESTION_BUSY_BASE = 1.0d;
     private static final double CONGESTION_ISSUED_RESERVE_BASE = 0.75d;
     private static final double CONGESTION_PENDING_QUEUE_BASE = 0.45d;
@@ -77,8 +78,23 @@
     @Autowired
     private StationTaskTraceRegistry stationTaskTraceRegistry;
 
-    private final Object runtimeSnapshotLock = new Object();
     private volatile CachedStationPathRuntimeSnapshot cachedRuntimeSnapshot;
+
+    private volatile CachedLoopMergeGuardContext cachedLoopMergeGuardContext;
+
+    @Scheduled(fixedDelay = 1500, initialDelay = 3000)
+    public void refreshStationPathCaches() {
+        try {
+            BaseRuntimeSnapshot snapshot = buildBaseRuntimeSnapshot(null);
+            cachedRuntimeSnapshot = new CachedStationPathRuntimeSnapshot(System.currentTimeMillis(), snapshot);
+        } catch (Exception ignore) {
+        }
+        try {
+            LoopMergeGuardContext context = buildLoopMergeGuardContext();
+            cachedLoopMergeGuardContext = new CachedLoopMergeGuardContext(System.currentTimeMillis(), context);
+        } catch (Exception ignore) {
+        }
+    }
 
     public List<NavigateNode> calcOptimalPathByStationId(Integer startStationId,
                                                          Integer endStationId,
@@ -1688,22 +1704,21 @@
             }
             return cachedSnapshot.baseRuntimeSnapshot.toCacheHitSnapshot();
         }
-        synchronized (runtimeSnapshotLock) {
-            cachedSnapshot = cachedRuntimeSnapshot;
-            if (cachedSnapshot != null && now - cachedSnapshot.cacheAtMs <= STATION_PATH_RUNTIME_SNAPSHOT_TTL_MS) {
-                if (stepCostMap != null) {
-                    stepCostMap.put("baseSnapshotCacheHit", 0L);
-                }
-                return cachedSnapshot.baseRuntimeSnapshot.toCacheHitSnapshot();
-            }
-            long stepStartNs = System.nanoTime();
-            BaseRuntimeSnapshot baseRuntimeSnapshot = buildBaseRuntimeSnapshot(stepCostMap);
+        // 缂撳瓨杩囨湡锛氱敤杩囨湡缂撳瓨鍏滃簳锛園Scheduled 瀹氭椂浠诲姟浼氬緢蹇埛鏂帮級锛岄伩鍏嶅绾跨▼闃诲
+        if (cachedSnapshot != null) {
             if (stepCostMap != null) {
-                stepCostMap.put("buildBaseSnapshot", elapsedMillis(stepStartNs));
+                stepCostMap.put("baseSnapshotStale", 0L);
             }
-            cachedRuntimeSnapshot = new CachedStationPathRuntimeSnapshot(now, baseRuntimeSnapshot);
-            return baseRuntimeSnapshot;
+            return cachedSnapshot.baseRuntimeSnapshot.toCacheHitSnapshot();
         }
+        // 鏋佺鎯呭喌锛氫粠鏈湁杩囩紦瀛橈紙鍚姩棣栨璋冪敤锛夛紝鍚屾鏋勫缓
+        long stepStartNs = System.nanoTime();
+        BaseRuntimeSnapshot baseRuntimeSnapshot = buildBaseRuntimeSnapshot(stepCostMap);
+        if (stepCostMap != null) {
+            stepCostMap.put("buildBaseSnapshot", elapsedMillis(stepStartNs));
+        }
+        cachedRuntimeSnapshot = new CachedStationPathRuntimeSnapshot(System.currentTimeMillis(), baseRuntimeSnapshot);
+        return baseRuntimeSnapshot;
     }
 
     private BaseRuntimeSnapshot buildBaseRuntimeSnapshot(Map<String, Long> stepCostMap) {
@@ -1732,7 +1747,7 @@
         }
 
         stepStartNs = System.nanoTime();
-        List<StationTaskTraceVo> activeTraceList = Collections.unmodifiableList(new ArrayList<>(loadPlanningActiveTraceList(statusMap)));
+        List<StationTaskTraceVo> activeTraceList = Collections.unmodifiableList(new ArrayList<>(loadPlanningActiveTraceList(statusMap, stepCostMap)));
         if (stepCostMap != null) {
             stepCostMap.put("loadActiveTraceList", elapsedMillis(stepStartNs));
         }
@@ -1766,6 +1781,22 @@
     }
 
     private LoopMergeGuardContext loadLoopMergeGuardContext() {
+        long now = System.currentTimeMillis();
+        CachedLoopMergeGuardContext cached = cachedLoopMergeGuardContext;
+        if (cached != null && now - cached.cacheAtMs <= STATION_PATH_RUNTIME_SNAPSHOT_TTL_MS) {
+            return new LoopMergeGuardContext(cached.context);
+        }
+        // 缂撳瓨杩囨湡锛氱敤杩囨湡缂撳瓨鍏滃簳锛園Scheduled 瀹氭椂浠诲姟浼氬緢蹇埛鏂帮級
+        if (cached != null) {
+            return new LoopMergeGuardContext(cached.context);
+        }
+        // 鏋佺鎯呭喌锛氫粠鏈湁杩囩紦瀛橈紝鍚屾鏋勫缓
+        LoopMergeGuardContext context = buildLoopMergeGuardContext();
+        cachedLoopMergeGuardContext = new CachedLoopMergeGuardContext(System.currentTimeMillis(), context);
+        return new LoopMergeGuardContext(context);
+    }
+
+    private LoopMergeGuardContext buildLoopMergeGuardContext() {
         LoopMergeGuardContext context = new LoopMergeGuardContext();
         try {
             if (stationCycleCapacityService == null) {
@@ -2138,10 +2169,19 @@
     }
 
     private List<StationTaskTraceVo> loadPlanningActiveTraceList(Map<Integer, StationProtocol> statusMap) {
+        return loadPlanningActiveTraceList(statusMap, null);
+    }
+
+    private List<StationTaskTraceVo> loadPlanningActiveTraceList(Map<Integer, StationProtocol> statusMap,
+                                                                   Map<String, Long> stepCostMap) {
         Map<Integer, StationTaskTraceVo> traceMap = new LinkedHashMap<>();
         if (stationTaskTraceRegistry != null) {
             try {
-                List<StationTaskTraceVo> traceList = stationTaskTraceRegistry.listLatestTraces();
+                long stepStartNs = System.nanoTime();
+                List<StationTaskTraceVo> traceList = stationTaskTraceRegistry.listPlanningActiveTraceSnapshots();
+                if (stepCostMap != null) {
+                    stepCostMap.put("loadRegistryTraces", elapsedMillis(stepStartNs));
+                }
                 if (traceList != null) {
                     for (StationTaskTraceVo traceVo : traceList) {
                         if (!isPlanningActiveTrace(traceVo)) {
@@ -2155,7 +2195,11 @@
             } catch (Exception ignore) {
             }
         }
-        Map<Integer, StationTaskTraceVo> fallbackTraceMap = loadFallbackActiveTraceMap(null, statusMap, traceMap.keySet());
+        long stepStartNs = System.nanoTime();
+        Map<Integer, StationTaskTraceVo> fallbackTraceMap = buildProtocolFallbackTraceMap(statusMap, traceMap.keySet());
+        if (stepCostMap != null) {
+            stepCostMap.put("loadFallbackTraces", elapsedMillis(stepStartNs));
+        }
         if (!fallbackTraceMap.isEmpty()) {
             traceMap.putAll(fallbackTraceMap);
         }
@@ -2170,6 +2214,55 @@
         return StationTaskTraceRegistry.STATUS_WAITING.equals(status)
                 || StationTaskTraceRegistry.STATUS_RUNNING.equals(status)
                 || StationTaskTraceRegistry.STATUS_REROUTED.equals(status);
+    }
+
+    private Map<Integer, StationTaskTraceVo> buildProtocolFallbackTraceMap(Map<Integer, StationProtocol> statusMap,
+                                                                            Set<Integer> existingTaskNoSet) {
+        if (statusMap == null || statusMap.isEmpty()) {
+            return Collections.emptyMap();
+        }
+        Map<Integer, StationTaskTraceVo> result = new LinkedHashMap<>();
+        for (StationProtocol protocol : statusMap.values()) {
+            if (protocol == null || protocol.getTaskNo() == null || protocol.getTaskNo() <= 0) {
+                continue;
+            }
+            if (!Boolean.TRUE.equals(protocol.isLoading())) {
+                continue;
+            }
+            if (existingTaskNoSet != null && existingTaskNoSet.contains(protocol.getTaskNo())) {
+                continue;
+            }
+            Integer stationId = protocol.getStationId();
+            Integer targetStaNo = protocol.getTargetStaNo();
+            if (stationId == null || targetStaNo == null || stationId.equals(targetStaNo)) {
+                continue;
+            }
+            List<Integer> path = new ArrayList<>();
+            path.add(stationId);
+            path.add(targetStaNo);
+            List<Integer> pendingStationIds = new ArrayList<>();
+            pendingStationIds.add(targetStaNo);
+            StationTaskTraceVo vo = new StationTaskTraceVo();
+            vo.setTaskNo(protocol.getTaskNo());
+            vo.setThreadImpl("PROTOCOL_FALLBACK");
+            vo.setStatus(StationTaskTraceRegistry.STATUS_RUNNING);
+            vo.setTraceVersion(1);
+            vo.setStartStationId(stationId);
+            vo.setCurrentStationId(stationId);
+            vo.setFinalTargetStationId(targetStaNo);
+            vo.setFullPathStationIds(path);
+            vo.setIssuedStationIds(path);
+            vo.setPassedStationIds(Collections.emptyList());
+            vo.setPendingStationIds(pendingStationIds);
+            vo.setLatestIssuedSegmentPath(path);
+            vo.setSegmentList(Collections.emptyList());
+            vo.setIssuedSegmentCount(0);
+            vo.setTotalSegmentCount(1);
+            vo.setUpdatedAt(System.currentTimeMillis());
+            vo.setEvents(Collections.emptyList());
+            result.put(protocol.getTaskNo(), vo);
+        }
+        return result;
     }
 
     private Map<Integer, StationTaskTraceVo> loadFallbackActiveTraceMap(Integer currentTaskNo,
@@ -2200,7 +2293,7 @@
         }
 
         List<Integer> taskNoList = new ArrayList<>(activeTaskProtocolMap.keySet());
-        int limit = Math.max(50, taskNoList.size() * 8);
+        int limit = Math.max(taskNoList.size(), taskNoList.size() * 2);
         List<BasStationOpt> optList;
         try {
             optList = basStationOptService.list(new QueryWrapper<BasStationOpt>()
@@ -3021,6 +3114,16 @@
         }
     }
 
+    private static class CachedLoopMergeGuardContext {
+        private final long cacheAtMs;
+        private final LoopMergeGuardContext context;
+
+        private CachedLoopMergeGuardContext(long cacheAtMs, LoopMergeGuardContext context) {
+            this.cacheAtMs = cacheAtMs;
+            this.context = context;
+        }
+    }
+
     private static class PathCandidateMetrics {
         private List<NavigateNode> path;
         private int pathLen;
@@ -3074,6 +3177,16 @@
     private static class LoopMergeGuardContext {
         private final Set<Integer> loopStationIdSet = new HashSet<>();
         private final Map<Integer, Set<Integer>> loopNeighborMap = new HashMap<>();
+
+        private LoopMergeGuardContext() {
+        }
+
+        private LoopMergeGuardContext(LoopMergeGuardContext source) {
+            this.loopStationIdSet.addAll(source.loopStationIdSet);
+            for (Map.Entry<Integer, Set<Integer>> entry : source.loopNeighborMap.entrySet()) {
+                this.loopNeighborMap.put(entry.getKey(), new LinkedHashSet<>(entry.getValue()));
+            }
+        }
     }
 
     private static class LoopMergeEntry {

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