--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/ImportAttribute.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,65 @@
+package org.dive4elements.river.importer;
+
+import org.dive4elements.river.model.Attribute;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import java.util.List;
+
+public class ImportAttribute
+implements   Comparable<ImportAttribute>
+{
+    protected String value;
+
+    protected Attribute peer;
+
+    public ImportAttribute() {
+    }
+
+    public ImportAttribute(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    public int compareTo(ImportAttribute other) {
+        return value.compareTo(other.value);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other == this) return true;
+        if (!(other instanceof ImportAttribute)) return false;
+        return value.equals(((ImportAttribute)other).value);
+    }
+
+    @Override
+    public int hashCode() {
+        return value.hashCode();
+    }
+
+    public Attribute getPeer() {
+        if (peer == null) {
+            Session session = ImporterSession.getInstance().getDatabaseSession();
+            Query query = session.createQuery("from Attribute where value=:value");
+            query.setString("value", value);
+            List<Attribute> attributes = query.list();
+            if (attributes.isEmpty()) {
+                peer = new Attribute(value);
+                session.save(peer);
+            }
+            else {
+                peer = attributes.get(0);
+            }
+        }
+        return peer;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :