[PATCH 1 of 2] Use context constant for current km in fix delta w/t generator

[Wald Commits]

# HG changeset patch
# User Raimund Renkert <rrenkert at intevation.de>
# Date 1412602040 -7200
# Node ID 592df582e462f8cce92cc2695b1f4a1344ee0028
# Parent  8dde253e04f73376e8cb75e031cfaa51c06b733c
Use context constant for current km in fix delta w/t generator.

diff -r 8dde253e04f7 -r 592df582e462 artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDeltaWtGenerator.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDeltaWtGenerator.java	Mon Oct 06 11:21:42 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDeltaWtGenerator.java	Mon Oct 06 15:27:20 2014 +0200
@@ -43,6 +43,7 @@
 
 import gnu.trove.TLongHashSet;
 
+import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
 
 /**
  * Generator for Delta W(t) charts.
@@ -471,7 +472,7 @@
             log.debug("currentKm = " + currentKm);
         }
 
-        context.putContextValue("currentKm", currentKm);
+        context.putContextValue(CURRENT_KM, currentKm);
 
         // XXX: This looks hackish!
         StyledValueMarker marker =