orbiter
13 years ago
parent
aa65282259
commit
563d584420
@ -1,30 +1,24 @@
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// LookAheadIterator.java
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// (C) 2010 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 04.02.2010 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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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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* LookAheadIterator
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* Copyright 2010 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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* First published 04.02.2010 on http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.kelondro.util;
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package net.yacy.cora.util;
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import java.util.Iterator;
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@ -0,0 +1,67 @@
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/**
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* Memory
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* Copyright 2005 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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* First published 22.09.2005 on http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.cora.util;
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public class Memory {
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private static final Runtime runtime = Runtime.getRuntime();
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/**
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* memory that is free without increasing of total memory taken from os
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* @return bytes
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*/
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public static final long free() {
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return runtime.freeMemory();
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}
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/**
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* memory that is available including increasing total memory up to maximum
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* @return bytes
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*/
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public static final long available() {
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return maxMemory() - total() + free();
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}
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/**
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* maximum memory the Java virtual will allocate machine; may vary over time in some cases
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* @return bytes
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*/
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public static final long maxMemory() {
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return runtime.maxMemory();
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}
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/**
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* currently allocated memory in the Java virtual machine; may vary over time
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* @return bytes
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*/
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public static final long total() {
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return runtime.totalMemory();
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}
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/**
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* memory that is currently bound in objects
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* @return used bytes
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*/
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public static final long used() {
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return total() - free();
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}
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}
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