X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosFlightReader.java;h=03c53ff4d8f7c580ecfdf126723048663b8d29ab;hp=c0565e8898d926a6320f43a1191d1d575aa8a019;hb=4231d68bae69d9a7d1f52205002db452cd5f986d;hpb=55e6558fa7cb23fb1363a86c83fbd6abf67ea324

diff --git a/altoslib/AltosFlightReader.java b/altoslib/AltosFlightReader.java
index c0565e88..03c53ff4 100644
--- a/altoslib/AltosFlightReader.java
+++ b/altoslib/AltosFlightReader.java
@@ -15,22 +15,22 @@
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_5;
+package org.altusmetrum.altoslib_6;
 
 import java.text.*;
 import java.io.*;
 import java.util.concurrent.*;
 
-public class AltosFlightReader {
+public abstract class AltosFlightReader {
 	public String name;
 
 	public int serial;
 
-	public void init() { }
+	public void init() {}
 
-	public AltosState read() throws InterruptedException, ParseException, AltosCRCException, IOException { return null; }
+	public abstract AltosState read() throws InterruptedException, ParseException, AltosCRCException, IOException;
 
-	public void close(boolean interrupted) { }
+	public abstract void close(boolean interrupted);
 
 	public void set_frequency(double frequency) throws InterruptedException, TimeoutException { }