--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/math/AttributedXYColumns.java	Fri Sep 28 12:14:00 2012 +0200
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2010 by Intevation GmbH
+ *
+ * This program is free software under the LGPL (>=v2.1)
+ * Read the file LGPL.txt coming with the software for details
+ * or visit http://www.gnu.org/licenses/ if it does not exist.
+ */
+
+package de.intevation.gnv.math;
+
+import de.intevation.gnv.jfreechart.PolygonDataset;
+
+import java.io.Serializable;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Stores the results of a 3D interpolation. Used to generate the final
+ * products.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
+ */
+public class AttributedXYColumns
+implements   Serializable
+{
+    /**
+     * The list of height value column.
+     */
+    protected List<? extends XYColumn> columns;
+
+    /**
+     * The extra input attributes which are not relevant
+     * for the interpolation but for generating the results.
+     */
+    protected Map                      attributes;
+
+    /**
+     * The interpolation result.
+     */
+    protected Interpolation3D          interpolation;
+
+    /**
+     * Dataset to be used in a {@link de.intevation.gnv.jfreechart.PolygonPlot}.
+     */
+    protected PolygonDataset           dataset;
+
+    /**
+     * Default constructor.
+     */
+    public AttributedXYColumns() {
+    }
+
+    /**
+     * Constructor to create a AttributedXYColumns instance only
+     * with the height value columns.
+     * @param columns The height value columns.
+     */
+    public AttributedXYColumns(List<? extends XYColumn> columns) {
+        this(columns, null);
+    }
+
+    /**
+     * Constructor to create a AttributedXYColumns with
+     * height value columns and the attributes to be used to
+     * generate the results.
+     * @param columns The height value columns.
+     * @param attributes The external attributes.
+     */
+    public AttributedXYColumns(
+        List<? extends XYColumn> columns,
+        Map attributes
+    ) {
+        this.columns    = columns;
+        this.attributes = attributes;
+    }
+
+    /**
+     * Gets an attribute.
+     * @param key The key of the attribute.
+     * @return The attribute or null if no such attribue is found.
+     */
+    public Object getAttribute(Object key) {
+        return attributes != null
+            ? attributes.get(key)
+            : null;
+    }
+
+    /**
+     * Puts an attribute to the map of external attributes.
+     * @param key The key of the attribute.
+     * @param value The value of the attribute.
+     */
+    public void setAttribute(Object key, Object value) {
+        if (attributes == null) {
+            attributes = new HashMap();
+        }
+        attributes.put(key, value);
+    }
+
+    /**
+     * Returns the list of height value columns.
+     * @return The list of height value columns.
+     */
+    public List<? extends XYColumn> getXYColumns() {
+        return columns;
+    }
+
+    /**
+     * Sets the list of height value columns.
+     * @param columns The new list of height value columns.
+     */
+    public void setXYColumns(List<? extends XYColumn> columns) {
+        this.columns = columns;
+    }
+
+    /**
+     * Sets the interpolation result.
+     * @param interpolation The new interpolation result.
+     */
+    public void setInterpolation(Interpolation3D interpolation) {
+        this.interpolation = interpolation;
+    }
+
+    /**
+     * Gets the interpolation results.
+     * @return The interpolation results.
+     */
+    public Interpolation3D getInterpolation() {
+        return interpolation;
+    }
+
+    /**
+     * Sets the generated polygon data set to be used in a
+     * {@link de.intevation.gnv.jfreechart.PolygonPlot}.
+     * @param dataset The polygon data set.
+     */
+    public void setPolygonDataset(PolygonDataset dataset) {
+        this.dataset = dataset;
+    }
+
+    /**
+     * Returns the polygon data set.
+     * @return The polygon data set.
+     */
+    public PolygonDataset getPolygonDataset() {
+        return dataset;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :