From 56ace0ff2072625bfb93131d59b39cce6a5ffd1a Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期六, 21 三月 2026 20:38:46 +0800
Subject: [PATCH] #

---
 src/main/java/com/zy/core/thread/impl/ZyStationV5Thread.java |  236 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/main/java/com/zy/core/enums/RedisKeyType.java            |    1 
 2 files changed, 232 insertions(+), 5 deletions(-)

diff --git a/src/main/java/com/zy/core/enums/RedisKeyType.java b/src/main/java/com/zy/core/enums/RedisKeyType.java
index d02e7f7..122baa0 100644
--- a/src/main/java/com/zy/core/enums/RedisKeyType.java
+++ b/src/main/java/com/zy/core/enums/RedisKeyType.java
@@ -44,6 +44,7 @@
     STATION_OUT_EXECUTE_COMPLETE_LIMIT("station_out_execute_complete_limit_"),
     CHECK_STATION_RUN_BLOCK_LIMIT_("check_station_run_block_limit_"),
     STATION_RUN_BLOCK_REROUTE_STATE_("station_run_block_reroute_state_"),
+    STATION_RUN_BLOCK_TASK_LOOP_STATE_("station_run_block_task_loop_state_"),
     CHECK_STATION_IDLE_RECOVER_LIMIT_("check_station_idle_recover_limit_"),
     CHECK_SHALLOW_LOC_STATUS_LIMIT("check_shallow_loc_status_limit_"),
     GENERATE_ENABLE_IN_STATION_DATA_LIMIT("generate_enable_in_station_data_limit_"),
diff --git a/src/main/java/com/zy/core/thread/impl/ZyStationV5Thread.java b/src/main/java/com/zy/core/thread/impl/ZyStationV5Thread.java
index 1e43a85..f35e6b1 100644
--- a/src/main/java/com/zy/core/thread/impl/ZyStationV5Thread.java
+++ b/src/main/java/com/zy/core/thread/impl/ZyStationV5Thread.java
@@ -6,12 +6,15 @@
 import com.core.common.Cools;
 import com.core.common.DateUtils;
 import com.core.common.SpringUtils;
+import com.zy.asrs.domain.vo.StationCycleCapacityVo;
+import com.zy.asrs.domain.vo.StationCycleLoopVo;
 import com.zy.asrs.entity.BasDevp;
 import com.zy.asrs.entity.BasStationOpt;
 import com.zy.asrs.entity.DeviceConfig;
 import com.zy.asrs.entity.DeviceDataLog;
 import com.zy.asrs.service.BasDevpService;
 import com.zy.asrs.service.BasStationOptService;
+import com.zy.asrs.service.StationCycleCapacityService;
 import com.zy.asrs.utils.Utils;
 import com.zy.common.model.NavigateNode;
 import com.zy.common.utils.NavigateUtils;
@@ -35,8 +38,10 @@
 
 import java.text.MessageFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
@@ -51,6 +56,7 @@
 
     private static final int RUN_BLOCK_REROUTE_STATE_EXPIRE_SECONDS = 60 * 60 * 24;
     private static final int SHORT_PATH_REPEAT_AVOID_THRESHOLD = 2;
+    private static final int SMALL_LOOP_REPEAT_AVOID_THRESHOLD = 2;
 
     private List<StationProtocol> statusList = new ArrayList<>();
     private DeviceConfig deviceConfig;
@@ -254,11 +260,14 @@
         }
 
         RunBlockRerouteState rerouteState = loadRunBlockRerouteState(taskNo, stationId);
+        TaskLoopRerouteState taskLoopRerouteState = loadTaskLoopRerouteState(taskNo);
+        LoopIdentity currentLoopIdentity = resolveStationLoopIdentity(stationId);
         rerouteState.setTaskNo(taskNo);
         rerouteState.setBlockStationId(stationId);
         rerouteState.setLastTargetStationId(targetStationId);
         rerouteState.setPlanCount((rerouteState.getPlanCount() == null ? 0 : rerouteState.getPlanCount()) + 1);
         rerouteState.setLastPlanTime(System.currentTimeMillis());
+        taskLoopRerouteState.setTaskNo(taskNo);
 
         List<List<NavigateNode>> candidatePathList = calcCandidatePathNavigateNodes(taskNo, stationId, targetStationId);
         if (candidatePathList.isEmpty()) {
@@ -270,6 +279,8 @@
 
         StationCommand rerouteCommand = selectAvailableRerouteCommand(
                 rerouteState,
+                taskLoopRerouteState,
+                currentLoopIdentity,
                 candidatePathList,
                 taskNo,
                 stationId,
@@ -282,6 +293,8 @@
             rerouteState.resetIssuedRoutes();
             rerouteCommand = selectAvailableRerouteCommand(
                     rerouteState,
+                    taskLoopRerouteState,
+                    currentLoopIdentity,
                     candidatePathList,
                     taskNo,
                     stationId,
@@ -292,6 +305,8 @@
 
         if (rerouteCommand != null) {
             saveRunBlockRerouteState(rerouteState);
+            touchTaskLoopRerouteState(taskLoopRerouteState, currentLoopIdentity);
+            saveTaskLoopRerouteState(taskLoopRerouteState);
             log.info("杈撻�佺嚎鍫靛閲嶈鍒掗�変腑鍊欓�夎矾绾匡紝taskNo={}, planCount={}, stationId={}, targetStationId={}, route={}",
                     taskNo, rerouteState.getPlanCount(), stationId, targetStationId, JSON.toJSONString(rerouteCommand.getNavigatePath()));
             return rerouteCommand;
@@ -428,6 +443,8 @@
     }
 
     private StationCommand selectAvailableRerouteCommand(RunBlockRerouteState rerouteState,
+                                                         TaskLoopRerouteState taskLoopRerouteState,
+                                                         LoopIdentity currentLoopIdentity,
                                                          List<List<NavigateNode>> candidatePathList,
                                                          Integer taskNo,
                                                          Integer stationId,
@@ -438,6 +455,7 @@
         }
 
         Set<String> issuedRouteSignatureSet = rerouteState.getIssuedRouteSignatureSet();
+        int currentLoopIssuedCount = resolveCurrentLoopIssuedCount(taskLoopRerouteState, currentLoopIdentity);
         List<RerouteCandidateCommand> candidateCommandList = new ArrayList<>();
         for (List<NavigateNode> candidatePath : candidatePathList) {
             StationCommand rerouteCommand = buildMoveCommand(taskNo, stationId, targetStationId, palletSize, candidatePath);
@@ -453,6 +471,9 @@
             candidateCommand.setRouteSignature(routeSignature);
             candidateCommand.setPathLength(rerouteCommand.getNavigatePath().size());
             candidateCommand.setIssuedCount(rerouteState.getRouteIssueCountMap().getOrDefault(routeSignature, 0));
+            candidateCommand.setLoopFingerprint(currentLoopIdentity.getLoopFingerprint());
+            candidateCommand.setLoopIssuedCount(currentLoopIssuedCount);
+            candidateCommand.setCurrentLoopHitCount(countCurrentLoopStationHit(rerouteCommand.getNavigatePath(), currentLoopIdentity.getStationIdSet()));
             candidateCommandList.add(candidateCommand);
         }
         if (candidateCommandList.isEmpty()) {
@@ -487,7 +508,9 @@
         }
 
         int shortestPathLength = Integer.MAX_VALUE;
+        int shortestPathLoopHitCount = Integer.MAX_VALUE;
         boolean shortestPathOverused = false;
+        boolean currentLoopOverused = false;
         boolean hasLongerCandidate = false;
         for (RerouteCandidateCommand candidateCommand : candidateCommandList) {
             if (candidateCommand == null || candidateCommand.getPathLength() == null || candidateCommand.getPathLength() <= 0) {
@@ -503,6 +526,9 @@
             if (candidateCommand == null || candidateCommand.getPathLength() == null || candidateCommand.getPathLength() <= 0) {
                 continue;
             }
+            if (candidateCommand.getPathLength() == shortestPathLength) {
+                shortestPathLoopHitCount = Math.min(shortestPathLoopHitCount, safeInt(candidateCommand.getCurrentLoopHitCount()));
+            }
             if (candidateCommand.getPathLength() > shortestPathLength) {
                 hasLongerCandidate = true;
             }
@@ -511,28 +537,68 @@
                     && candidateCommand.getIssuedCount() >= SHORT_PATH_REPEAT_AVOID_THRESHOLD) {
                 shortestPathOverused = true;
             }
+            if (!Cools.isEmpty(candidateCommand.getLoopFingerprint())
+                    && candidateCommand.getLoopIssuedCount() != null
+                    && candidateCommand.getLoopIssuedCount() >= SMALL_LOOP_REPEAT_AVOID_THRESHOLD) {
+                currentLoopOverused = true;
+            }
         }
-        if (!shortestPathOverused || !hasLongerCandidate) {
+        if (!shortestPathOverused && !currentLoopOverused) {
+            return candidateCommandList;
+        }
+        if (shortestPathLoopHitCount == Integer.MAX_VALUE) {
+            shortestPathLoopHitCount = 0;
+        }
+
+        boolean hasLoopExitCandidate = false;
+        for (RerouteCandidateCommand candidateCommand : candidateCommandList) {
+            if (candidateCommand == null) {
+                continue;
+            }
+            if (safeInt(candidateCommand.getCurrentLoopHitCount()) < shortestPathLoopHitCount) {
+                hasLoopExitCandidate = true;
+                break;
+            }
+        }
+        if (!hasLongerCandidate && !hasLoopExitCandidate) {
             return candidateCommandList;
         }
 
         List<RerouteCandidateCommand> reorderedList = new ArrayList<>();
+        if (currentLoopOverused && hasLoopExitCandidate) {
+            for (RerouteCandidateCommand candidateCommand : candidateCommandList) {
+                if (candidateCommand == null) {
+                    continue;
+                }
+                if (safeInt(candidateCommand.getCurrentLoopHitCount()) < shortestPathLoopHitCount) {
+                    appendCandidateIfAbsent(reorderedList, candidateCommand);
+                }
+            }
+        }
         for (RerouteCandidateCommand candidateCommand : candidateCommandList) {
             if (candidateCommand != null
                     && candidateCommand.getPathLength() != null
                     && candidateCommand.getPathLength() > shortestPathLength) {
-                reorderedList.add(candidateCommand);
+                appendCandidateIfAbsent(reorderedList, candidateCommand);
             }
         }
         for (RerouteCandidateCommand candidateCommand : candidateCommandList) {
             if (candidateCommand == null || candidateCommand.getPathLength() == null) {
                 continue;
             }
-            if (candidateCommand.getPathLength() <= shortestPathLength) {
-                reorderedList.add(candidateCommand);
-            }
+            appendCandidateIfAbsent(reorderedList, candidateCommand);
         }
         return reorderedList;
+    }
+
+    private void appendCandidateIfAbsent(List<RerouteCandidateCommand> reorderedList,
+                                         RerouteCandidateCommand candidateCommand) {
+        if (reorderedList == null || candidateCommand == null) {
+            return;
+        }
+        if (!reorderedList.contains(candidateCommand)) {
+            reorderedList.add(candidateCommand);
+        }
     }
 
     private RunBlockRerouteState loadRunBlockRerouteState(Integer taskNo, Integer blockStationId) {
@@ -568,6 +634,71 @@
         );
     }
 
+    private TaskLoopRerouteState loadTaskLoopRerouteState(Integer taskNo) {
+        if (redisUtil == null || taskNo == null || taskNo <= 0) {
+            return new TaskLoopRerouteState();
+        }
+        Object stateObj = redisUtil.get(RedisKeyType.STATION_RUN_BLOCK_TASK_LOOP_STATE_.key + taskNo);
+        if (stateObj == null) {
+            return new TaskLoopRerouteState();
+        }
+        try {
+            TaskLoopRerouteState state = JSON.parseObject(String.valueOf(stateObj), TaskLoopRerouteState.class);
+            return state == null ? new TaskLoopRerouteState() : state.normalize();
+        } catch (Exception ignore) {
+            return new TaskLoopRerouteState();
+        }
+    }
+
+    private void saveTaskLoopRerouteState(TaskLoopRerouteState taskLoopRerouteState) {
+        if (redisUtil == null
+                || taskLoopRerouteState == null
+                || taskLoopRerouteState.getTaskNo() == null
+                || taskLoopRerouteState.getTaskNo() <= 0) {
+            return;
+        }
+        taskLoopRerouteState.normalize();
+        redisUtil.set(
+                RedisKeyType.STATION_RUN_BLOCK_TASK_LOOP_STATE_.key + taskLoopRerouteState.getTaskNo(),
+                JSON.toJSONString(taskLoopRerouteState),
+                RUN_BLOCK_REROUTE_STATE_EXPIRE_SECONDS
+        );
+    }
+
+    private void touchTaskLoopRerouteState(TaskLoopRerouteState taskLoopRerouteState,
+                                           LoopIdentity currentLoopIdentity) {
+        if (taskLoopRerouteState == null || currentLoopIdentity == null || Cools.isEmpty(currentLoopIdentity.getLoopFingerprint())) {
+            return;
+        }
+        taskLoopRerouteState.getLoopIssueCountMap().put(
+                currentLoopIdentity.getLoopFingerprint(),
+                taskLoopRerouteState.getLoopIssueCountMap().getOrDefault(currentLoopIdentity.getLoopFingerprint(), 0) + 1
+        );
+        taskLoopRerouteState.setLastLoopFingerprint(currentLoopIdentity.getLoopFingerprint());
+        taskLoopRerouteState.setLastIssueTime(System.currentTimeMillis());
+    }
+
+    private int resolveCurrentLoopIssuedCount(TaskLoopRerouteState taskLoopRerouteState,
+                                              LoopIdentity currentLoopIdentity) {
+        if (taskLoopRerouteState == null || currentLoopIdentity == null || Cools.isEmpty(currentLoopIdentity.getLoopFingerprint())) {
+            return 0;
+        }
+        return taskLoopRerouteState.getLoopIssueCountMap().getOrDefault(currentLoopIdentity.getLoopFingerprint(), 0);
+    }
+
+    private int countCurrentLoopStationHit(List<Integer> path, Set<Integer> currentLoopStationIdSet) {
+        if (path == null || path.isEmpty() || currentLoopStationIdSet == null || currentLoopStationIdSet.isEmpty()) {
+            return 0;
+        }
+        int hitCount = 0;
+        for (Integer stationId : path) {
+            if (stationId != null && currentLoopStationIdSet.contains(stationId)) {
+                hitCount++;
+            }
+        }
+        return hitCount;
+    }
+
     private String buildPathSignature(List<Integer> path) {
         if (path == null || path.isEmpty()) {
             return "";
@@ -587,6 +718,68 @@
 
     private String buildRunBlockRerouteStateKey(Integer taskNo, Integer blockStationId) {
         return RedisKeyType.STATION_RUN_BLOCK_REROUTE_STATE_.key + taskNo + "_" + blockStationId;
+    }
+
+    private LoopIdentity resolveStationLoopIdentity(Integer stationId) {
+        if (stationId == null || stationId <= 0) {
+            return LoopIdentity.empty();
+        }
+        try {
+            StationCycleCapacityService stationCycleCapacityService = SpringUtils.getBean(StationCycleCapacityService.class);
+            if (stationCycleCapacityService == null) {
+                return LoopIdentity.empty();
+            }
+            StationCycleCapacityVo capacityVo = stationCycleCapacityService.getLatestSnapshot();
+            if (capacityVo == null || capacityVo.getLoopList() == null || capacityVo.getLoopList().isEmpty()) {
+                return LoopIdentity.empty();
+            }
+            for (StationCycleLoopVo loopVo : capacityVo.getLoopList()) {
+                List<Integer> loopStationIdList = normalizeLoopStationIdList(loopVo == null ? null : loopVo.getStationIdList());
+                if (loopStationIdList.isEmpty() || !loopStationIdList.contains(stationId)) {
+                    continue;
+                }
+                return new LoopIdentity(buildLoopFingerprint(loopStationIdList), new HashSet<>(loopStationIdList));
+            }
+        } catch (Exception ignore) {
+        }
+        return LoopIdentity.empty();
+    }
+
+    private List<Integer> normalizeLoopStationIdList(List<Integer> stationIdList) {
+        if (stationIdList == null || stationIdList.isEmpty()) {
+            return new ArrayList<>();
+        }
+        List<Integer> normalizedList = new ArrayList<>();
+        Set<Integer> seenStationIdSet = new HashSet<>();
+        for (Integer stationId : stationIdList) {
+            if (stationId == null || stationId <= 0 || !seenStationIdSet.add(stationId)) {
+                continue;
+            }
+            normalizedList.add(stationId);
+        }
+        Collections.sort(normalizedList);
+        return normalizedList;
+    }
+
+    private String buildLoopFingerprint(List<Integer> stationIdList) {
+        if (stationIdList == null || stationIdList.isEmpty()) {
+            return "";
+        }
+        StringBuilder builder = new StringBuilder();
+        for (Integer stationId : stationIdList) {
+            if (stationId == null) {
+                continue;
+            }
+            if (builder.length() > 0) {
+                builder.append("|");
+            }
+            builder.append(stationId);
+        }
+        return builder.toString();
+    }
+
+    private int safeInt(Integer value) {
+        return value == null ? 0 : value;
     }
 
     @Data
@@ -660,5 +853,38 @@
         private String routeSignature;
         private Integer pathLength;
         private Integer issuedCount;
+        private String loopFingerprint;
+        private Integer loopIssuedCount;
+        private Integer currentLoopHitCount;
+    }
+
+    @Data
+    private static class TaskLoopRerouteState {
+        private Integer taskNo;
+        private String lastLoopFingerprint;
+        private Long lastIssueTime;
+        private Map<String, Integer> loopIssueCountMap = new HashMap<>();
+
+        private TaskLoopRerouteState normalize() {
+            if (loopIssueCountMap == null) {
+                loopIssueCountMap = new HashMap<>();
+            }
+            return this;
+        }
+    }
+
+    @Data
+    private static class LoopIdentity {
+        private String loopFingerprint;
+        private Set<Integer> stationIdSet = new HashSet<>();
+
+        private LoopIdentity(String loopFingerprint, Set<Integer> stationIdSet) {
+            this.loopFingerprint = loopFingerprint;
+            this.stationIdSet = stationIdSet == null ? new HashSet<>() : stationIdSet;
+        }
+
+        private static LoopIdentity empty() {
+            return new LoopIdentity("", new HashSet<>());
+        }
     }
 }

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