--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/access/ExtremeAccess.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,103 @@
+package org.dive4elements.river.artifacts.access;
+
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.river.artifacts.FLYSArtifact;
+
+import org.dive4elements.river.artifacts.model.RangeWithValues;
+
+import org.dive4elements.river.utils.DoubleUtil;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+/** Access data used for extreme value analysis. */
+public class ExtremeAccess
+extends      RangeAccess
+{
+    /** Our private logger. */
+    private static Logger logger = Logger.getLogger(ExtremeAccess.class);
+
+    protected Long start;
+    protected Long end;
+
+    protected Double percent;
+
+    protected String function;
+
+    protected List<RangeWithValues> ranges;
+
+
+    public ExtremeAccess(FLYSArtifact artifact, CallContext context) {
+        super(artifact, context);
+    }
+
+
+    /** Returns the percent given. */
+    public Double getPercent() {
+
+        if (percent == null) {
+            percent = getDouble("percent");
+        }
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("percent: '" + percent + "'");
+        }
+
+        return percent;
+    }
+
+    public String getFunction() {
+        if (function == null) {
+            function = getString("function");
+        }
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("function: '" + function + "'");
+        }
+
+        return function;
+    }
+
+
+    /** Find first RangeWithValues for which the given location
+     * is within the range and return its values.
+     * @return values of first suitable rangewithvalues or null.
+     */
+    public double[] getValuesForRange(double location) {
+        logger.debug("ExtemeAcces.getValuesForRange");
+        for (RangeWithValues rangeValues: getRanges()) {
+            if (rangeValues.inside(location)) {
+                return rangeValues.getValues();
+            }
+        }
+        return null;
+    }
+
+
+    public List<RangeWithValues> getRanges() {
+
+        if (ranges == null) {
+            String rangesS = getString("ranges");
+            if (rangesS == null) {
+                return null;
+            }
+            ranges = new ArrayList<RangeWithValues>();
+            DoubleUtil.parseSegments(rangesS, new DoubleUtil.SegmentCallback() {
+                @Override
+                public void newSegment(double from, double to, double [] values) {
+                    ranges.add(new RangeWithValues(from, to, values));
+                }
+            });
+        }
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("ranges: " + ranges);
+        }
+
+        return ranges;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :