--- a/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/Recommendation.java	Mon Nov 05 10:18:07 2018 +0100
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/Recommendation.java	Mon Nov 05 10:19:12 2018 +0100
@@ -1,257 +1,229 @@
-/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
- * Software engineering by Intevation GmbH
- *
- * This file is Free Software under the GNU AGPL (>=v3)
- * and comes with ABSOLUTELY NO WARRANTY! Check out the
- * documentation coming with Dive4Elements River for details.
- */
-
-package org.dive4elements.river.client.shared.model;
-
-
-import java.util.List;
-import java.util.Map;
-import java.util.HashMap;
-
-import java.io.Serializable;
-
-/**
- * Information bundle to let client create/clone an artifact with facets.
- * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
- */
-public class Recommendation implements Serializable {
-
-    /** Index and name of a facet. */
-    public static class Facet implements Serializable {
-
-        /** Facet name. */
-        protected String name;
-
-        /** Facet index. */
-        protected String index;
-
-        public Facet() {
-        }
-
-        public Facet(String name, String index) {
-            this.name  = name;
-            this.index = index;
-        }
-
-        public String getName() {
-            return name;
-        }
-
-        public String getIndex() {
-            return index;
-        }
-
-
-        @Override
-        public int hashCode() {
-            int hash = 0;
-            if (getName() != null) {
-                hash += getName().hashCode();
-            }
-            if (getIndex() != null) {
-                hash += getIndex().hashCode();
-            }
-            return hash;
-        }
-
-
-        @Override
-        public boolean equals(Object other) {
-            if (!(other instanceof Facet) || other == null) {
-                return false;
-            }
-            Facet facet = (Facet) other;
-            return (same(facet.getIndex(), this.getIndex()))
-                && (same(facet.getName(),  this.getName()));
-        }
-    } // class Facet
-
-
-    /** Mapping of outnames to Facet-Lists. */
-    public static class Filter implements Serializable {
-
-        protected Map<String, List<Facet>> outs;
-
-        public Filter() {
-            outs = new HashMap<String, List<Facet>>();
-        }
-
-        public void add(String out, List<Facet> facets) {
-            outs.put(out, facets);
-        }
-
-        public Map<String, List<Facet>> getOuts() {
-            return outs;
-        }
-
-
-        @Override
-        public int hashCode() {
-            if (getOuts() != null) {
-                return getOuts().hashCode();
-            }
-            return 0;
-        }
-
-
-        @Override
-        public boolean equals(Object other) {
-            if (!(other instanceof Filter) || other == null) {
-                return false;
-            }
-            Filter filter = (Filter) other;
-            return Recommendation.same(filter.getOuts(), this.getOuts());
-        }
-    } // class Filter
-
-    /** Factory to speak to when creating/cloning. */
-    protected String factory;
-    /** Sometimes database ids, sometimes other freeform text. */
-    protected String ids;
-    /** Artifacts uuid that should serve as master artifact. */
-    protected String masterArtifact;
-    /** Optional facet filter. */
-    protected Filter filter;
-    /** The out this Artifact should be added to **/
-    protected String targetOut;
-
-    protected String displayName = null;
-
-    public Recommendation() {
-    }
-
-    public Recommendation(String factory, String ids) {
-        this(factory, ids, null, null);
-    }
-
-    public Recommendation(String factory, String ids, String targetOut) {
-        this(factory, ids, null, null, targetOut);
-    }
-
-    public Recommendation(
-        String factory,
-        String ids,
-        String masterArtifact,
-        Filter filter
-    ) {
-        this(factory, ids, masterArtifact, filter, null);
-    }
-
-    public Recommendation(
-        String factory,
-        String ids,
-        String masterArtifact,
-        Filter filter,
-        String targetOut
-    ) {
-        this.factory        = factory;
-        this.ids            = ids;
-        this.masterArtifact = masterArtifact;
-        this.filter         = filter;
-        this.targetOut      = targetOut;
-    }
-
-    public String getTargetOut() {
-        return targetOut;
-    }
-
-    public void setTargetOut(String value) {
-        targetOut = value;
-    }
-
-    public String getFactory() {
-        return factory;
-    }
-
-    public void setFactory(String factory) {
-        this.factory = factory;
-    }
-
-    public void setDisplayName(String displayName) {
-        this.displayName = displayName;
-    }
-
-    public String getDisplayName() {
-        return this.displayName;
-    }
-
-    public String getIDs() {
-        return ids;
-    }
-
-    public String getMasterArtifact() {
-        return masterArtifact;
-    }
-
-    public void setMasterArtifact(String masterArtifact) {
-        this.masterArtifact = masterArtifact;
-    }
-
-    public Filter getFilter() {
-        return filter;
-    }
-
-    public void setFilter(Filter filter) {
-        this.filter = filter;
-    }
-
-
-    @Override
-    public int hashCode() {
-        int hash = 0;
-        hash += (getFactory() != null)
-            ? getFactory().hashCode()
-            : 0;
-        hash += (getIDs() != null)
-            ? getIDs().hashCode()
-            : 0;
-        hash += (getFilter() != null)
-            ? getFilter().hashCode()
-            : 0;
-        hash += (getMasterArtifact() != null)
-            ? getMasterArtifact().hashCode()
-            : 0;
-        hash += (getTargetOut() != null)
-            ? getTargetOut().hashCode()
-            : 0;
-        return hash;
-    }
-
-
-    /**
-     * Null-pointer guarded equals.
-     * Two null's are assumed equal (returns true);
-     * @param a Object to compare against parameter b.
-     * @param b Object to compare against parameter a.
-     * @return true if either a and b are null or a.equals(b) returns true.
-     */
-    protected static boolean same(Object a, Object b) {
-        // Do null-check.
-        if (a == null) {
-            return b == null;
-        } else if (b == null) {
-            return false;
-        }
-        return a.equals(b);
-    }
-
-
-    @Override
-    public boolean equals(Object other) {
-        if (!(other instanceof Recommendation) || other == null) {
-            return false;
-        }
-        Recommendation rec = (Recommendation) other;
-        return (same(this.getFactory(), rec.getFactory()))
-            && (same(this.getIDs(),     rec.getIDs()))
-            && (same(this.getFilter(),  rec.getFilter()))
-            && (same(this.getMasterArtifact(), rec.getMasterArtifact()))
-            && (same(this.getTargetOut(), rec.getTargetOut()));
-    }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
+/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.client.shared.model;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Information bundle to let client create/clone an artifact with facets.
+ * 
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class Recommendation implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /** Index and name of a facet. */
+    public static class Facet implements Serializable {
+
+        private static final long serialVersionUID = 1L;
+
+        /** Facet name. */
+        protected String name;
+
+        /** Facet index. */
+        protected String index;
+
+        public Facet() {
+        }
+
+        public Facet(final String name, final String index) {
+            this.name = name;
+            this.index = index;
+        }
+
+        public String getName() {
+            return this.name;
+        }
+
+        public String getIndex() {
+            return this.index;
+        }
+
+        @Override
+        public int hashCode() {
+            int hash = 0;
+            if (getName() != null) {
+                hash += getName().hashCode();
+            }
+            if (getIndex() != null) {
+                hash += getIndex().hashCode();
+            }
+            return hash;
+        }
+
+        @Override
+        public boolean equals(final Object other) {
+            if (!(other instanceof Facet) || other == null) {
+                return false;
+            }
+            final Facet facet = (Facet) other;
+            return (same(facet.getIndex(), this.getIndex())) && (same(facet.getName(), this.getName()));
+        }
+    } // class Facet
+
+    /** Mapping of outnames to Facet-Lists. */
+    public static class Filter implements Serializable {
+
+        protected Map<String, List<Facet>> outs;
+
+        public Filter() {
+            this.outs = new HashMap<String, List<Facet>>();
+        }
+
+        public void add(final String out, final List<Facet> facets) {
+            this.outs.put(out, facets);
+        }
+
+        public Map<String, List<Facet>> getOuts() {
+            return this.outs;
+        }
+
+        @Override
+        public int hashCode() {
+            if (getOuts() != null) {
+                return getOuts().hashCode();
+            }
+            return 0;
+        }
+
+        @Override
+        public boolean equals(final Object other) {
+            if (!(other instanceof Filter) || other == null) {
+                return false;
+            }
+            final Filter filter = (Filter) other;
+            return Recommendation.same(filter.getOuts(), this.getOuts());
+        }
+    } // class Filter
+
+    /** Factory to speak to when creating/cloning. */
+    protected String factory;
+    /** Sometimes database ids, sometimes other freeform text. */
+    protected String ids;
+    /** Artifacts uuid that should serve as master artifact. */
+    protected String masterArtifact;
+    /** Optional facet filter. */
+    protected Filter filter;
+    /** The out this Artifact should be added to **/
+    protected String targetOut;
+
+    protected String displayName = null;
+
+    public Recommendation() {
+    }
+
+    public Recommendation(final String factory, final String ids) {
+        this(factory, ids, null, null);
+    }
+
+    public Recommendation(final String factory, final String ids, final String targetOut) {
+        this(factory, ids, null, null, targetOut);
+    }
+
+    public Recommendation(final String factory, final String ids, final String masterArtifact, final Filter filter) {
+        this(factory, ids, masterArtifact, filter, null);
+    }
+
+    public Recommendation(final String factory, final String ids, final String masterArtifact, final Filter filter, final String targetOut) {
+        this.factory = factory;
+        this.ids = ids;
+        this.masterArtifact = masterArtifact;
+        this.filter = filter;
+        this.targetOut = targetOut;
+    }
+
+    public String getTargetOut() {
+        return this.targetOut;
+    }
+
+    public void setTargetOut(final String value) {
+        this.targetOut = value;
+    }
+
+    public String getFactory() {
+        return this.factory;
+    }
+
+    public void setFactory(final String factory) {
+        this.factory = factory;
+    }
+
+    public void setDisplayName(final String displayName) {
+        this.displayName = displayName;
+    }
+
+    public String getDisplayName() {
+        return this.displayName;
+    }
+
+    public String getIDs() {
+        return this.ids;
+    }
+
+    public String getMasterArtifact() {
+        return this.masterArtifact;
+    }
+
+    public void setMasterArtifact(final String masterArtifact) {
+        this.masterArtifact = masterArtifact;
+    }
+
+    public Filter getFilter() {
+        return this.filter;
+    }
+
+    public void setFilter(final Filter filter) {
+        this.filter = filter;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 0;
+        hash += (getFactory() != null) ? getFactory().hashCode() : 0;
+        hash += (getIDs() != null) ? getIDs().hashCode() : 0;
+        hash += (getFilter() != null) ? getFilter().hashCode() : 0;
+        hash += (getMasterArtifact() != null) ? getMasterArtifact().hashCode() : 0;
+        hash += (getTargetOut() != null) ? getTargetOut().hashCode() : 0;
+        return hash;
+    }
+
+    /**
+     * Null-pointer guarded equals.
+     * Two null's are assumed equal (returns true);
+     * 
+     * @param a
+     *            Object to compare against parameter b.
+     * @param b
+     *            Object to compare against parameter a.
+     * @return true if either a and b are null or a.equals(b) returns true.
+     */
+    protected static boolean same(final Object a, final Object b) {
+        // Do null-check.
+        if (a == null) {
+            return b == null;
+        } else if (b == null) {
+            return false;
+        }
+        return a.equals(b);
+    }
+
+    @Override
+    public boolean equals(final Object other) {
+        if (!(other instanceof Recommendation) || other == null) {
+            return false;
+        }
+        final Recommendation rec = (Recommendation) other;
+        return (same(this.getFactory(), rec.getFactory())) && (same(this.getIDs(), rec.getIDs())) && (same(this.getFilter(), rec.getFilter()))
+                && (same(this.getMasterArtifact(), rec.getMasterArtifact())) && (same(this.getTargetOut(), rec.getTargetOut()));
+    }
+}
\ No newline at end of file

--- a/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/SINFOArtifact.java	Mon Nov 05 10:18:07 2018 +0100
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/SINFOArtifact.java	Mon Nov 05 10:19:12 2018 +0100
@@ -20,6 +20,7 @@
  */
 public class SINFOArtifact extends DefaultArtifact {
 
+    private static final long serialVersionUID = 1L;
     /** The name of this artifact: 'sinfo'. */
     private static final String NAME = "sinfo";