X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosuilib%2FAltosUIDataPoint.java;h=d3020410c2348614893a774f7ff2ae42017a52d6;hb=5a77a62bce5e5ab5998f24588839f3c8a1cc6221;hp=a98f7cdb3f91a5394f26e83365e678e071164a45;hpb=0169e56ad030c0096b1068d00f06957990dfb31f;p=fw%2Faltos

diff --git a/altosuilib/AltosUIDataPoint.java b/altosuilib/AltosUIDataPoint.java
index a98f7cdb..d3020410 100644
--- a/altosuilib/AltosUIDataPoint.java
+++ b/altosuilib/AltosUIDataPoint.java
@@ -18,8 +18,8 @@
 package org.altusmetrum.altosuilib_1;
 
 public interface AltosUIDataPoint {
-	public abstract double x();
-	public abstract double y(int index);
-	public abstract int id(int index);
-	public abstract String id_name(int index);
+	public abstract double x() throws AltosUIDataMissing;
+	public abstract double y(int index) throws AltosUIDataMissing;
+	public abstract int id(int index) throws AltosUIDataMissing;
+	public abstract String id_name(int index) throws AltosUIDataMissing;
 }