--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Measurements.java	Thu Jul 12 17:34:40 2012 +0000
@@ -0,0 +1,121 @@
+package de.intevation.flys.artifacts.model.sq;
+
+import java.util.List;
+import java.util.ArrayList;
+
+public class Measurements
+{
+    public interface SExtractor {
+        double getS(Measurement measument);
+    } // interface SExtractor
+
+    public static final SExtractor S_SF_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_SF();
+        }
+    };
+
+    public static final SExtractor S_SS_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_SS();
+        }
+    };
+
+    public static final SExtractor S_BL_S_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_BL_S();
+        }
+    };
+
+    public static final SExtractor S_BL_FG_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_BL_FG();
+        }
+    };
+
+    public static final SExtractor S_BL_CG_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_BL_CG();
+        }
+    };
+
+    public static final SExtractor S_BL_EXTRACTOR = new SExtractor() {
+        @Override
+        public double getS(Measurement measument) {
+            return measument.S_BL();
+        }
+    };
+
+    protected List<Measurement> measuments;
+
+    public Measurements() {
+    }
+
+    public Measurements(List<Measurement> measuments) {
+        this.measuments = measuments;
+    }
+
+    public List<SQ> extractSQ(SExtractor extractor) {
+        List<SQ> result = new ArrayList(measuments.size());
+        for (Measurement measument: measuments) {
+            SQ sq = new SQ(extractor.getS(measument), measument.Q());
+            if (sq.isValid()) {
+                result.add(sq);
+            }
+        }
+        return result;
+    }
+
+    public List<SQ> S_SF() {
+        return extractSQ(S_SF_EXTRACTOR);
+    }
+
+    public List<SQ> S_SS() {
+        return extractSQ(S_SS_EXTRACTOR);
+    }
+
+    public List<SQ> S_BL_S() {
+        return extractSQ(S_BL_S_EXTRACTOR);
+    }
+
+    public List<SQ> S_BL_FG() {
+        return extractSQ(S_BL_FG_EXTRACTOR);
+    }
+
+    public List<SQ> S_BL_CG() {
+        return extractSQ(S_BL_CG_EXTRACTOR);
+    }
+
+    public List<SQ> S_BL() {
+        return extractSQ(S_BL_EXTRACTOR);
+    }
+
+    public List<SQ> getSQs(int index) {
+        switch (index) {
+            case 0: return S_SF();
+            case 1: return S_SS();
+            case 2: return S_BL_S();
+            case 3: return S_BL_FG();
+            case 4: return S_BL_CG();
+            case 5: return S_BL();
+        }
+        // XXX: Should we throw an exception?
+        return null;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("Measurements [");
+        for (int i = 0, M = measuments.size(); i < M; ++i) {
+            if (i > 0) sb.append(", ");
+            sb.append(measuments.get(i));
+        }
+        return sb.append(']').toString();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :