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8324048: (fc) Make FileKey fields final

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Reviewed-by: djelinski, alanb, jpai
This commit is contained in:
Brian Burkhalter 2024-08-23 16:32:14 +00:00
parent a461369f16
commit 23dc3b0246
4 changed files with 43 additions and 56 deletions
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23
src/java.base/unix/classes/sun/nio/ch/FileKey.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -33,15 +33,18 @@ import java.io.IOException;
*/
public class FileKey {
private long st_dev; // ID of device
private long st_ino; // Inode number
private final long st_dev; // ID of device
private final long st_ino; // Inode number
private FileKey() { }
private FileKey(long st_dev, long st_ino) {
this.st_dev = st_dev;
this.st_ino = st_ino;
}
public static FileKey create(FileDescriptor fd) throws IOException {
FileKey fk = new FileKey();
fk.init(fd);
return fk;
long finfo[] = new long[2];
init(fd, finfo);
return new FileKey(finfo[0], finfo[1]);
}
@Override
@ -59,10 +62,10 @@ public class FileKey {
&& (this.st_ino == other.st_ino);
}
private native void init(FileDescriptor fd) throws IOException;
private static native void initIDs();
private static native void init(FileDescriptor fd, long[] finfo)
throws IOException;
static {
initIDs();
IOUtil.load();
}
}