--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/shared/model/ArtifactDescription.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,98 @@
+package de.intevation.flys.client.shared.model;
+
+import java.io.Serializable;
+
+
+/**
+ * The artifact description describes a state of an artifact. There are
+ * operations defined that return former inserted data, possible input values
+ * and output targets that are available in the current state of the artifact.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public interface ArtifactDescription extends Serializable {
+
+    /**
+     * Returns the data that have been inserted in former states of the
+     * artifact.
+     *
+     * @return the old data of former states.
+     */
+    public DataList[] getOldData();
+
+
+    /**
+     * Returns the data with all its options that might be inserted in the
+     * current state of the artifact.
+     *
+     * @return the current data.
+     */
+    public DataList getCurrentData();
+
+
+    /**
+     * Returns the current state as string.
+     *
+     * @return the current state.
+     */
+    public String getCurrentState();
+
+
+    /**
+     * Returns the reachable states as string.
+     *
+     * @return the reachable states.
+     */
+    public String[] getReachableStates();
+
+
+    /**
+     * Returns the name of the selected river.
+     *
+     * @return the selected river.
+     */
+    public String getRiver();
+
+
+    /**
+     * Returns the selected min and max kilomter if existing otherwise null.
+     *
+     * @return an array of [min-km, max-km] if existing otherwise null.
+     */
+    public double[] getKMRange();
+
+
+    /**
+     * Returns the selected reference gauge (which needs to be a data named
+     * 'reference_gauge'.
+     *
+     * @return the selected reference gauge (which needs to be a data named
+     * 'reference_gauge'.
+     */
+    public String getReferenceGauge();
+
+
+    /**
+     * Returns the string value of a data object with name <i>dataName</i>.
+     *
+     * @return the string value of a data object with name <i>dataName</i>.
+     */
+    public String getDataValueAsString(String dataName);
+
+
+    /**
+     * Returns the available output modes.
+     *
+     * @return the available output modes.
+     */
+    public OutputMode[] getOutputModes();
+
+
+    /**
+     * Returns the recommended artifacts suggested by the server.
+     *
+     * @return the recommended artifacts.
+     */
+    public Recommendation[] getRecommendations();
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :