--- a/src/com/tmate/hgkit/ll/HgDataFile.java	Sun Dec 19 05:41:31 2010 +0100
+++ b/src/com/tmate/hgkit/ll/HgDataFile.java	Mon Dec 20 02:50:36 2010 +0100
@@ -10,10 +10,21 @@
  */
 public class HgDataFile extends Revlog {
 
+	private final RevlogStream content; // XXX move up to Revlog?
+
+	// absolute from repo root?
+	// slashes, unix-style?
+	// repo location agnostic, just to give info to user, not to access real storage
 	private final String path;
 	
-	/*package-local*/HgDataFile(HgRepository hgRepo) {
+	/*package-local*/HgDataFile(HgRepository hgRepo, String path, RevlogStream content) {
 		super(hgRepo);
+		this.path = path;
+		this.content = content;
+	}
+	
+	public boolean exists() {
+		return content != null; // XXX need better impl
 	}
 
 	public String getPath() {
@@ -29,4 +40,24 @@
 	public byte[] content(int revision) {
 		throw HgRepository.notImplemented();
 	}
+
+	public void history(Changeset.Inspector inspector) {
+		if (!exists()) {
+			throw new IllegalStateException("Can't get history of invalid repository file node"); 
+		}
+		final int[] commitRevisions = new int[content.revisionCount()];
+		Revlog.Inspector insp = new Revlog.Inspector() {
+			int count = 0;
+			
+			public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) {
+				commitRevisions[count++] = linkRevision;
+			}
+		};
+		content.iterate(0, -1, false, insp);
+		getRepo().getChangelog().range(inspector, commitRevisions);
+	}
+
+	public void history(int start, int end, Changeset.Inspector i) {
+		throw HgRepository.notImplemented();
+	}
 }