X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ad32fd753f73b8a8a14242781eb011e78446995a..84402e8e2ee2a2d0bef25fdceb0a263ed8b471f6:/src/bindings/java/org/simgrid/msg/File.java

diff --git a/src/bindings/java/org/simgrid/msg/File.java b/src/bindings/java/org/simgrid/msg/File.java
index 456e474268..5263adb355 100644
--- a/src/bindings/java/org/simgrid/msg/File.java
+++ b/src/bindings/java/org/simgrid/msg/File.java
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2014. The SimGrid Team.
+/* Copyright (c) 2012-2020. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,43 +7,53 @@
 package org.simgrid.msg;
 
 public class File {
+	public static final int SEEK_SET = 0;
+	public static final int SEEK_CUR = 1;
+	public static final int SEEK_END = 2;
 	/**
 	 * Represents the bind between the java comm and the
-	 * native C comm. You must never access it, since it is 
+	 * native C comm. You must never access it, since it is
 	 * automatically set.
 	 */
 	private long bind = 0;
 	/**
 	 * Constructor, opens the file.
-	 * @param path is the file location on the storage 
+	 * @param path is the file location on the storage
 	 */
 	public File(String path) {
 		open(path);
 	}
-	@Override
-	protected void finalize() {
 
-	}
 	/**
-	 * Opens the file whose name is the string pointed to by path.  
+	 * Opens the file whose name is the string pointed to by path.
 	 * @param path is the file location on the storage
 	 */
 	protected native void open(String path);
 	/**
-	 * Read elements of a file. 
+	 * Read elements of a file.
 	 * @param size of each element
-	 * @param nMemb is the number of elements of data to write 
+	 * @param nMemb is the number of elements of data to write
+	 * @return the actually read size
 	 */
 	public native long read(long size, long nMemb);
+
 	/**
-	 * Write elements into a file. 
-	 * @param size of each element  
-	 * @param nMemb is the number of elements of data to write 
+	 * Write elements into a file.
+	 * @param size of each element
+	 * @param nMemb is the number of elements of data to write
+	 * @return the actually written size
 	 */
 	public native long write(long size, long nMemb);
 	/**
-	 * Close the file. 	
-	 */
+	 * Write elements into a file.
+	 * @param offset : number of bytes to offset from origin
+	 * @param origin : Position used as reference for the offset. It is specified by one of the following constants
+	 *                 defined in <stdio.h> exclusively to be used as arguments for this function (SEEK_SET =
+	 *                 beginning of file, SEEK_CUR = current position of the file pointer, SEEK_END = end of file)
+ 	 */
+	public native void seek(long offset, long origin);
+
+	/** Close the file. */
 	public native void close();
 
 	/** Class initializer, to initialize various JNI stuff */