--- a/src/com/tmate/hgkit/fs/DataAccessProvider.java	Sat Jan 15 01:41:49 2011 +0100
+++ b/src/com/tmate/hgkit/fs/DataAccessProvider.java	Sun Jan 16 01:20:26 2011 +0100
@@ -72,6 +72,16 @@
 		}
 		
 		@Override
+		public long length() {
+			return size;
+		}
+		
+		@Override
+		public void reset() throws IOException {
+			seek(0);
+		}
+		
+		@Override
 		public void seek(long offset) {
 			assert offset >= 0;
 			// offset may not necessarily be further than current position in the file (e.g. rewind) 
@@ -174,6 +184,16 @@
 		}
 		
 		@Override
+		public long length() {
+			return size;
+		}
+		
+		@Override
+		public void reset() throws IOException {
+			seek(0);
+		}
+		
+		@Override
 		public void seek(long offset) throws IOException {
 			if (offset > size) {
 				throw new IllegalArgumentException();