Disable occ. spike auto-fail for parking detectors

docs/vehicle_detection.md

@@ -188,11 +188,11 @@ All others | 24 hours
 
 ### Occ Spike
 
-A spike timer is kept for each detector.  For every 25% change in occupancy
-between two consecutive data values, 30 seconds are added to the timer.  If its
-value ever exceeds 60 seconds, the condidtion is triggered.  After every poll,
-30 seconds are removed from the timer.  The condition will be cleared after 24
-hours of no spikes.
+A spike timer is kept for each non-parking detector.  For every 25% change in
+occupancy between two consecutive data values, 30 seconds are added to the
+timer.  If its value ever exceeds 60 seconds, the condidtion is triggered.
+After every poll, 30 seconds are removed from the timer.  The condition will
+be cleared after 24 hours of no spikes.
 
 ## Force Fail
 

src/us/mn/state/dot/tms/LaneCode.java

@@ -1,6 +1,6 @@
 /*
  * IRIS -- Intelligent Roadway Information System
- * Copyright (C) 2008-2022  Minnesota Department of Transportation
+ * Copyright (C) 2008-2025  Minnesota Department of Transportation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,6 +15,7 @@
 package us.mn.state.dot.tms;
 
 import us.mn.state.dot.tms.units.Interval;
+import static us.mn.state.dot.tms.units.Interval.Units.SECONDS;
 import static us.mn.state.dot.tms.units.Interval.Units.MINUTES;
 import static us.mn.state.dot.tms.units.Interval.Units.HOURS;
 import static us.mn.state.dot.tms.units.Interval.Units.WEEKS;
@@ -108,6 +109,14 @@ private LaneCode(String c, String d, Interval nht, boolean ml,
 	static private final Interval NO_CHANGE_THRESHOLD_FALLBACK =
 		new Interval(2, WEEKS);
 
+	/** Scan "occ spike" threshold for regular sensors */
+	static private final Interval OCC_SPIKE_THRESHOLD =
+		new Interval(29, SECONDS);
+
+	/** Scan "occ spike" threshold for parking sensors */
+	static private final Interval OCC_SPIKE_THRESHOLD_PARKING =
+		new Interval(2, WEEKS);
+
 	/** Description */
 	public final String description;
 
@@ -135,6 +144,14 @@ public final Interval getNoChangeThreshold() {
 			return NO_CHANGE_THRESHOLD_FALLBACK;
 	}
 
+	/** Get the occ spike threshold */
+	public final Interval getOccSpikeThreshold() {
+		if (this != PARKING)
+			return OCC_SPIKE_THRESHOLD;
+		else
+			return OCC_SPIKE_THRESHOLD_PARKING;
+	}
+
 	/** Mainline lane */
 	public final boolean is_mainline;
 

src/us/mn/state/dot/tms/server/DetectorImpl.java

@@ -1,6 +1,6 @@
 /*
  * IRIS -- Intelligent Roadway Information System
- * Copyright (C) 2000-2024  Minnesota Department of Transportation
+ * Copyright (C) 2000-2025  Minnesota Department of Transportation
  * Copyright (C) 2011  Berkeley Transportation Systems Inc.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -167,10 +167,6 @@ private boolean checkLoggingThreshold() {
 	static private final Interval CHATTER_THRESHOLD =
 		new Interval(30, SECONDS);
 
-	/** Scan "occ spike" trigger threshold */
-	static private final Interval OCC_SPIKE_THRESHOLD =
-		new Interval(29, SECONDS);
-
 	/** Clear threshold */
 	static private final Interval CLEAR_THRESHOLD =
 		new Interval(24, Interval.Units.HOURS);
@@ -429,7 +425,7 @@ private Interval getNoChangeThreshold() {
 
 	/** Get the scan "occ spike" trigger threshold */
 	private Interval getOccSpikeTriggerThreshold() {
-		return OCC_SPIKE_THRESHOLD;
+		return LaneCode.fromCode(lane_code).getOccSpikeThreshold();
 	}
 
 	/** Destroy an object */