Java Memory Free belowMemoryLimit(int percentFree)

Description

below Memory Limit

License

Open Source License

Declaration

public static boolean belowMemoryLimit(int percentFree) 

Method Source Code

//package com.java2s;
/**/*ww w .ja v a  2 s  . c o  m*/
 * Copyright (C) 2009 G?nter Ladwig (gla at aifb.uni-karlsruhe.de)
 * 
 * This file is part of the graphindex project.
 *
 * graphindex is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2
 * as published by the Free Software Foundation.
 * 
 * graphindex is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with graphindex.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static boolean belowMemoryLimit(int percentFree) {
        long max = Runtime.getRuntime().maxMemory() / 1000;
        long free = freeMemory();

        if ((double) free / max * 100 < percentFree)
            return true;
        return false;
    }

    public static long freeMemory() {
        Runtime r = Runtime.getRuntime();
        return (r.freeMemory() + (r.maxMemory() - r.totalMemory())) / 1000;
    }
}

Related

1. checkFreeMemory(long requiredMemory)
2. formatMemorySize(Long afreeDiskSpace)
3. freeAllocatedMemory()
4. freeMemory()