--- a/backend/src/main/java/org/dive4elements/river/model/Wst.java	Tue Apr 03 10:27:49 2018 +0200
+++ b/backend/src/main/java/org/dive4elements/river/model/Wst.java	Tue Apr 03 10:29:57 2018 +0200
@@ -12,26 +12,24 @@
 import java.math.BigDecimal;
 import java.util.List;
 
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
-import javax.persistence.GeneratedValue;
 import javax.persistence.Column;
-import javax.persistence.SequenceGenerator;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
+import javax.persistence.Id;
 import javax.persistence.JoinColumn;
+import javax.persistence.OneToMany;
 import javax.persistence.OneToOne;
-import javax.persistence.OneToMany;
+import javax.persistence.SequenceGenerator;
+import javax.persistence.Table;
 
 import org.apache.log4j.Logger;
-
-import org.hibernate.Session;
+import org.dive4elements.river.backend.SessionHolder;
+import org.hibernate.Query;
 import org.hibernate.SQLQuery;
-import org.hibernate.Query;
+import org.hibernate.Session;
 import org.hibernate.type.StandardBasicTypes;
 
-import org.dive4elements.river.backend.SessionHolder;
-
 
 /** DB-mapped WST. */
 @Entity
@@ -45,22 +43,23 @@
     private River   river;
     private String  description;
     private Integer kind;
+    private String sinfo_selection;
 
     private List<WstColumn> columns;
 
 
     public static final String SQL_SELECT_MINMAX =
-        "select min(q) as minQ, max(q) as maxQ from wst_q_values " +
-        "where wst_id = :wst and not (a > :km or b < :km)";
+            "select min(q) as minQ, max(q) as maxQ from wst_q_values " +
+                    "where wst_id = :wst and not (a > :km or b < :km)";
 
     public Wst() {
     }
 
-    public Wst(River river, String description) {
+    public Wst(final River river, final String description) {
         this(river, description, 0);
     }
 
-    public Wst(River river, String description, Integer kind) {
+    public Wst(final River river, final String description, final Integer kind) {
         this.river       = river;
         this.description = description;
         this.kind        = kind;
@@ -68,56 +67,65 @@
 
     @Id
     @SequenceGenerator(
-        name           = "SEQUENCE_WSTS_ID_SEQ",
-        sequenceName   = "WSTS_ID_SEQ",
-        allocationSize = 1)
+            name           = "SEQUENCE_WSTS_ID_SEQ",
+            sequenceName   = "WSTS_ID_SEQ",
+            allocationSize = 1)
     @GeneratedValue(
-        strategy  = GenerationType.SEQUENCE,
-        generator = "SEQUENCE_WSTS_ID_SEQ")
+            strategy  = GenerationType.SEQUENCE,
+            generator = "SEQUENCE_WSTS_ID_SEQ")
     @Column(name = "id")
     public Integer getId() {
-        return id;
+        return this.id;
     }
 
-    public void setId(Integer id) {
+    public void setId(final Integer id) {
         this.id = id;
     }
 
     @OneToOne
     @JoinColumn(name = "river_id" )
     public River getRiver() {
-        return river;
+        return this.river;
     }
 
-    public void setRiver(River river) {
+    public void setRiver(final River river) {
         this.river = river;
     }
 
     @Column(name = "description")
     public String getDescription() {
-        return description;
+        return this.description;
     }
 
-    public void setDescription(String description) {
+    public void setDescription(final String description) {
         this.description = description;
     }
 
     @Column(name = "kind")
     public Integer getKind() {
-        return kind;
+        return this.kind;
     }
 
-    public void setKind(Integer kind) {
+    public void setKind(final Integer kind) {
         this.kind = kind;
     }
 
+    @Column(name = "sinfo_selection")
+    public String getSInfoSelection() {
+        return this.sinfo_selection;
+    }
+
+    public void setSInfoSelection(final String sinfoSelection) {
+        this.sinfo_selection = sinfoSelection;
+    }
+
     @OneToMany
     @JoinColumn(name="wst_id")
     public List<WstColumn> getColumns() {
-        return columns;
+        return this.columns;
     }
 
-    public void setColumns(List<WstColumn> columns) {
+    public void setColumns(final List<WstColumn> columns) {
         this.columns = columns;
     }
 
@@ -130,8 +138,8 @@
      * @return the min and max Q values of this WST.
      */
     public double[] determineMinMaxQ() {
-        double[] ab = river.determineMinMaxDistance();
-        return determineMinMaxQ(new Range(ab[0], ab[1], river));
+        final double[] ab = this.river.determineMinMaxDistance();
+        return determineMinMaxQ(new Range(ab[0], ab[1], this.river));
     }
 
 
@@ -144,11 +152,11 @@
      *
      * @return the min and max Q values of this WST.
      */
-    public double[] determineMinMaxQ(Range range) {
+    public double[] determineMinMaxQ(final Range range) {
         if (range != null) {
             return determineMinMaxQ(
-                range.getA().doubleValue(),
-                range.getB().doubleValue());
+                    range.getA().doubleValue(),
+                    range.getB().doubleValue());
         }
 
         return null;
@@ -165,22 +173,22 @@
      *
      * @return the min and max Q values of this WST.
      */
-    public double[] determineMinMaxQ(double fromKm, double toKm) {
-        Session session = SessionHolder.HOLDER.get();
+    public double[] determineMinMaxQ(final double fromKm, final double toKm) {
+        final Session session = SessionHolder.HOLDER.get();
 
-        Query query = session.createQuery(
-          "select min(q), max(q) from WstQRange where "
-          + "id in "
-          + " (select wstQRange.id from WstColumnQRange where "
-          + "  wstColumn.id in (select id from WstColumn where wst.id = :wst)) "
-          + "and range.id in "
-          + " (select id from Range where not (a > :end or b < :start))");
+        final Query query = session.createQuery(
+                "select min(q), max(q) from WstQRange where "
+                        + "id in "
+                        + " (select wstQRange.id from WstColumnQRange where "
+                        + "  wstColumn.id in (select id from WstColumn where wst.id = :wst)) "
+                        + "and range.id in "
+                        + " (select id from Range where not (a > :end or b < :start))");
 
         query.setParameter("wst",   getId());
         query.setParameter("start", new BigDecimal(fromKm));
         query.setParameter("end",   new BigDecimal(toKm));
 
-        List<Object []> results = query.list();
+        final List<Object []> results = query.list();
 
         if (results.isEmpty()) {
             return null;
@@ -191,32 +199,32 @@
             return null;
         }
 
-        Object [] result = results.get(0);
+        final Object [] result = results.get(0);
 
         return new double [] {
-            ((BigDecimal)result[0]).doubleValue(),
-            ((BigDecimal)result[1]).doubleValue() };
+                ((BigDecimal)result[0]).doubleValue(),
+                ((BigDecimal)result[1]).doubleValue() };
     }
 
 
-    public double[] determineMinMaxQFree(double km) {
-        Session session = SessionHolder.HOLDER.get();
+    public double[] determineMinMaxQFree(final double km) {
+        final Session session = SessionHolder.HOLDER.get();
 
-        SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_MINMAX)
-            .addScalar("minQ", StandardBasicTypes.DOUBLE)
-            .addScalar("maxQ", StandardBasicTypes.DOUBLE);
+        final SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_MINMAX)
+                .addScalar("minQ", StandardBasicTypes.DOUBLE)
+                .addScalar("maxQ", StandardBasicTypes.DOUBLE);
 
         sqlQuery.setInteger("wst", getId());
         sqlQuery.setDouble("km", km);
 
-        List<Object[]> minmaxQ = sqlQuery.list();
+        final List<Object[]> minmaxQ = sqlQuery.list();
 
 
         if (minmaxQ.isEmpty()) {
             return null;
         }
 
-        Object[] mm = minmaxQ.get(0);
+        final Object[] mm = minmaxQ.get(0);
 
         if (mm[0] == null || mm[1] == null) {
             log.warn("No min/max Q for km " + km + " found.");