--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/etl/src/main/java/org/dive4elements/river/etl/aft/TimeInterval.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,70 @@
+package org.dive4elements.river.etl.aft;
+
+import java.util.Date;
+
+public class TimeInterval
+implements   Comparable<TimeInterval>
+{
+    protected int  id;
+    protected Date start;
+    protected Date stop;
+
+    public TimeInterval() {
+    }
+
+    public TimeInterval(Date start, Date stop) {
+        this.start = start;
+        this.stop  = stop;
+    }
+
+    public TimeInterval(int id, Date start, Date stop) {
+        this(start, stop);
+        this.id    = id;
+    }
+
+    protected static int compare(Date d1, Date d2) {
+        long s1 = d1 != null ? d1.getTime()/1000L : 0L;
+        long s2 = d2 != null ? d2.getTime()/1000L : 0L;
+        long diff = s1 - s2;
+        return diff < 0L
+            ? -1
+            : diff > 0L ? 1 : 0;
+    }
+
+    @Override
+    public int compareTo(TimeInterval other) {
+        int cmp = compare(start, other.start);
+        return cmp != 0
+            ? cmp
+            : compare(stop, other.stop);
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public Date getStart() {
+        return start;
+    }
+
+    public void setStart(Date start) {
+        this.start = start;
+    }
+
+    public Date getStop() {
+        return stop;
+    }
+
+    public void setStop(Date stop) {
+        this.stop = stop;
+    }
+
+    public String toString() {
+        return "[TimeInterval: start=" + start + ", stop=" + stop + "]";
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :