author | ohair |
Tue, 25 May 2010 15:58:33 -0700 | |
changeset 5506 | 202f599c92aa |
parent 3065 | 452aaa2899fc |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.nio.fs; |
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|
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/** |
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* Container for device/inode to uniquely identify file. |
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*/ |
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class UnixFileKey { |
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private final long st_dev; |
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private final long st_ino; |
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UnixFileKey(long st_dev, long st_ino) { |
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this.st_dev = st_dev; |
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this.st_ino = st_ino; |
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} |
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@Override |
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public int hashCode() { |
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return (int)(st_dev ^ (st_dev >>> 32)) + |
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(int)(st_ino ^ (st_ino >>> 32)); |
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} |
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@Override |
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public boolean equals(Object obj) { |
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if (obj == this) |
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return true; |
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if (!(obj instanceof UnixFileKey)) |
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return false; |
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UnixFileKey other = (UnixFileKey)obj; |
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return (this.st_dev == other.st_dev) && (this.st_ino == other.st_ino); |
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} |
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@Override |
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public String toString() { |
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StringBuilder sb = new StringBuilder(); |
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sb.append("(dev=") |
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.append(Long.toHexString(st_dev)) |
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.append(",ino=") |
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.append(st_ino) |
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.append(')'); |
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return sb.toString(); |
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} |
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} |