[PATCH 1 of 4] Using a bed height without year in tkh calculation now throws an immediate error

[Wald Commits]

# HG changeset patch
# User gernotbelger
# Date 1530875295 -7200
# Node ID 6a1580b38e7de0b1ec9e410072858c3dd5ca353c
# Parent  0dcd1cd41915ac269617d79ea6366d778695461d
Using a bed height without year in tkh calculation now throws an immediate error

diff -r 0dcd1cd41915 -r 6a1580b38e7d artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/util/BedHeightInfo.java
--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/util/BedHeightInfo.java	Thu Jul 05 16:49:42 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/util/BedHeightInfo.java	Fri Jul 06 13:08:15 2018 +0200
@@ -46,7 +46,13 @@
     }
 
     private BedHeightInfo(final BedHeight bedHeight) {
-        this.year = bedHeight.getYear();
+        final Integer bhYear = bedHeight.getYear();
+        if (bhYear == null) {
+            // REMARK: this should never happen, as we do not allow the user to select bed heights without a year information
+            throw new IllegalArgumentException("bedHeight has no year");
+        }
+
+        this.year = bhYear;
         this.description = bedHeight.getDescription();
         this.type = bedHeight.getType().getName();
         this.evaluationBy = bedHeight.getEvaluationBy();