/** * Copyright 2010 JogAmp Community. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are those of the * authors and should not be interpreted as representing official policies, either expressed * or implied, of JogAmp Community. */ package com.jogamp.common.util; public class VersionNumber implements Comparable { protected int major; protected int minor; protected int sub; public VersionNumber(int majorRev, int minorRev, int subMinorRev) { major = majorRev; minor = minorRev; sub = subMinorRev; } protected VersionNumber() { } public final int hashCode() { // 31 * x == (x << 5) - x int hash = 31 + major; hash = ((hash << 5) - hash) + minor; return ((hash << 5) - hash) + sub; } public final boolean equals(Object o) { return 0 == compareTo(o); } public final int compareTo(Object o) { if( ! ( o instanceof VersionNumber ) ) { return -1; } VersionNumber vo = (VersionNumber) o; if (major > vo.major) { return 1; } else if (major < vo.major) { return -1; } else if (minor > vo.minor) { return 1; } else if (minor < vo.minor) { return -1; } else if (sub > vo.sub) { return 1; } else if (sub < vo.sub) { return -1; } return 0; // they are equal } public final int getMajor() { return major; } public final int getMinor() { return minor; } public final int getSub() { return sub; } public String toString() { return major + "." + minor + "." + sub ; } }