X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosTimeSeries.java;h=5cf46c9ab888038ca2dd937aafdbcb1d340b2839;hp=db33fafa56a088c1e05910229fb7029802da13c5;hb=43f8470dc66392dae4770882bfc6ad25b1d75436;hpb=3fa1eadb91eea001342d2d357d7aaf661e8a2a5d

diff --git a/altoslib/AltosTimeSeries.java b/altoslib/AltosTimeSeries.java
index db33fafa..5cf46c9a 100644
--- a/altoslib/AltosTimeSeries.java
+++ b/altoslib/AltosTimeSeries.java
@@ -16,11 +16,15 @@ package org.altusmetrum.altoslib_11;
 
 import java.util.*;
 
-public class AltosTimeSeries implements Iterable<AltosTimeValue> {
+public class AltosTimeSeries implements Iterable<AltosTimeValue>, Comparable<AltosTimeSeries> {
 	public String			label;
 	public AltosUnits		units;
 	ArrayList<AltosTimeValue>	values;
 
+	public int compareTo(AltosTimeSeries other) {
+		return label.compareTo(other.label);
+	}
+
 	public void add(AltosTimeValue tv) {
 		values.add(tv);
 	}