--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/model/uinfo/SalixRank.java	Tue Apr 03 10:18:30 2018 +0200
@@ -0,0 +1,99 @@
+/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * 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.model.uinfo;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import org.dive4elements.river.backend.SessionHolder;
+import org.hibernate.Query;
+import org.hibernate.Session;
+
+@Entity
+@Table(name = "salix_rank")
+public class SalixRank implements Serializable {
+
+    /***** FIELDS *****/
+
+    private static final long serialVersionUID = 7459539781698086683L;
+
+    private Integer id;
+
+    private String  name;
+
+    private Double min_value;
+
+    private Double max_value;
+
+
+    /***** CONSTRUCTORS *****/
+
+    public SalixRank() {
+    }
+
+    public SalixRank(final String name) {
+        this.name = name;
+    }
+
+    /***** METHODS *****/
+
+    @Id
+    @Column(name = "id")
+    public Integer getId() {
+        return this.id;
+    }
+
+    public void setId(final Integer id) {
+        this.id = id;
+    }
+
+    @Column(name = "name")
+    public String getName() {
+        return this.name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    @Column(name = "min_value")
+    public Double getMin_value() {
+        return this.min_value;
+    }
+
+    public void setMin_value(final Double min_value) {
+        this.min_value = min_value;
+    }
+
+    @Column(name = "max_value")
+    public Double getMax_value() {
+        return this.max_value;
+    }
+
+    public void setMax_value(final Double max_value) {
+        this.max_value = max_value;
+    }
+
+    /**
+     * Queries all salix ranks from the database, orders by id
+     */
+    public static List<SalixRank> getTypes() {
+        final Session session = SessionHolder.HOLDER.get();
+        final Query query = session.createQuery("FROM SalixRank ORDER BY id");
+        return new ArrayList<>(query.list());
+    }
+}