diff -r e5d48b85351c -r bfbf9c9c1586 src/goodjava/lucene/logging/LogFile.java
--- a/src/goodjava/lucene/logging/LogFile.java	Sat Mar 28 21:30:42 2020 -0600
+++ b/src/goodjava/lucene/logging/LogFile.java	Sun Mar 29 09:55:59 2020 -0600
@@ -21,7 +21,7 @@
 import org.apache.lucene.util.BytesRef;
 
 
-public final class LogFile extends RandomAccessFile {
+public class LogFile extends RandomAccessFile {
 	private long end;
 
 	public LogFile(File file,String mode) throws IOException {
@@ -193,6 +193,10 @@
 
 	public Object readObject() throws IOException {
 		int type = readByte();
+		return readObject(type);
+	}
+
+	protected Object readObject(int type) throws IOException {
 		switch(type) {
 		case TYPE_NULL:
 			return null;