mirror of
https://github.com/yacy/yacy_search_server.git
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f95d98142f
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1679 6c8d7289-2bf4-0310-a012-ef5d649a1542
95 lines
4.0 KiB
Java
95 lines
4.0 KiB
Java
// serverMemory.java
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// -------------------------------------------
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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// Created 22.09.2005
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//
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// $LastChangedDate: 2005-09-21 16:21:45 +0200 (Wed, 21 Sep 2005) $
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// $LastChangedRevision: 763 $
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// $LastChangedBy: orbiter $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.server;
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import java.text.DecimalFormat;
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public class serverMemory {
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public static final long max = Runtime.getRuntime().maxMemory();
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private static final Runtime runtime = Runtime.getRuntime();
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public static long free() {
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// memory that is free without increasing of total memory taken from os
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return runtime.freeMemory();
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}
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public static long available() {
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// memory that is available including increasing total memory up to maximum
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return max - runtime.totalMemory() + runtime.freeMemory();
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}
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public static long used() {
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// memory that is currently bound in objects
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return runtime.totalMemory() - runtime.freeMemory();
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}
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public static String bytesToString(long byteCount) {
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try {
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final StringBuffer byteString = new StringBuffer();
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final DecimalFormat df = new DecimalFormat( "0.00" );
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if (byteCount > 1073741824) {
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byteString.append(df.format((double)byteCount / (double)1073741824 ))
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.append(" GB");
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} else if (byteCount > 1048576) {
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byteString.append(df.format((double)byteCount / (double)1048576))
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.append(" MB");
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} else if (byteCount > 1024) {
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byteString.append(df.format((double)byteCount / (double)1024))
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.append(" KB");
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} else {
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byteString.append(Long.toString(byteCount))
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.append(" Bytes");
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}
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return byteString.toString();
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} catch (Exception e) {
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return "unknown";
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}
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}
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}
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