--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WKmsImpl.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,99 @@
+package org.dive4elements.river.artifacts.model;
+
+import gnu.trove.TDoubleArrayList;
+
+import org.dive4elements.river.utils.DataUtil;
+
+
+public class WKmsImpl
+extends      NamedObjectImpl
+implements   WKms
+{
+    protected TDoubleArrayList kms;
+    protected TDoubleArrayList ws;
+
+    public WKmsImpl() {
+        super("");
+        kms = new TDoubleArrayList();
+        ws  = new TDoubleArrayList();
+    }
+
+
+    /**
+     * Create named, empty WKms.
+     */
+    public WKmsImpl(String name) {
+        super(name);
+        kms = new TDoubleArrayList();
+        ws  = new TDoubleArrayList();
+    }
+
+
+    public WKmsImpl(int capacity) {
+        super("");
+        kms = new TDoubleArrayList(capacity);
+        ws  = new TDoubleArrayList(capacity);
+    }
+
+
+    public WKmsImpl(TDoubleArrayList kms, TDoubleArrayList ws) {
+        this(kms, ws, "");
+    }
+
+
+    public WKmsImpl(
+        TDoubleArrayList kms,
+        TDoubleArrayList ws,
+        String           name
+    ) {
+        super(name);
+        this.kms = kms;
+        this.ws  = ws;
+    }
+
+
+    /**
+     * Add a W (in NN+m) for a km (in km).
+     */
+    public void add(double km, double w) {
+        kms.add(km);
+        ws .add(w);
+    }
+
+
+    @Override
+    public double getW(int index) {
+        return ws.getQuick(index);
+    }
+
+
+    @Override
+    public double getKm(int index) {
+        return kms.getQuick(index);
+    }
+
+    @Override
+    public boolean guessWaterIncreasing() {
+        return guessWaterIncreasing(0.05f);
+    }
+
+    protected boolean guessWaterIncreasing(float factor) {
+        return DataUtil.guessWaterIncreasing(ws, factor);
+    }
+
+    @Override
+    public int size() {
+        return kms.size();
+    }
+
+    @Override
+    public TDoubleArrayList allKms() {
+        return kms;
+    }
+
+    @Override
+    public TDoubleArrayList allWs() {
+        return ws;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :