Merge pull request #15926 from thingsboard/refactor/lts-version-is-in-range

Move LTS version range check into LtsVersion

application/src/main/java/org/thingsboard/server/service/install/lts/LtsMigrationService.java

@@ -126,9 +126,7 @@ public class LtsMigrationService {
     // so a cross-family upgrade is fully handled by the target-family migrations.
     // Excluding the dormant older-family beans avoids double-processing.
     static boolean isInRangeForTargetFamily(LtsVersion version, LtsVersion from, LtsVersion to) {
-        return version.sameFamily(to)
-                && version.compareTo(from) > 0
-                && version.compareTo(to) <= 0;
+        return version.sameFamily(to) && version.isInRange(from, to);
     }
 
     private void runSchemaUpdate(String version) {

application/src/main/java/org/thingsboard/server/service/install/lts/LtsVersion.java

@@ -37,6 +37,14 @@ public record LtsVersion(int major, int minor, int maintenance, int patch) imple
         return major == other.major && minor == other.minor;
     }
 
+    /**
+     * Half-open range check: {@code from < this <= to}. The lower bound is exclusive (a source already at
+     * {@code from} has applied that version) and the upper bound inclusive (the target version's own migration runs).
+     */
+    public boolean isInRange(LtsVersion from, LtsVersion to) {
+        return compareTo(from) > 0 && compareTo(to) <= 0;
+    }
+
     @Override
     public int compareTo(LtsVersion o) {
         int c = Integer.compare(major, o.major);