/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.container.versioning;
/**
* Versions can be compared to each other to result in one version being before, after or at the same time as another
* version. This is different from the JDK's {@link Comparable} interface, which is much more simplistic in that it
* doesn't differentiate between something that is the same versus equal-but-different.
*
* @author Manik Surtani
* @since 5.1
*/
public enum InequalVersionComparisonResult {
/**
* Denotes a version that was created temporally <i>before</i> another version.
*/
BEFORE,
/**
* Denotes a version that was created temporally <i>after</i> another version.
*/
AFTER,
/**
* Denotes that the two versions being comapred are equal.
*/
EQUAL,
/**
* Denotes a version that was created at the same time as another version, but is not equal. This is only really
* useful when using a partition-aware versioning scheme, such as vector or Lamport clocks.
*/
CONFLICTING,
/**
* Denotes a version that was created temporally <i>before</i> or <i>equal</i> than another version
*/
BEFORE_OR_EQUAL,
/**
* Denotes a version that was created temporally <i>after</i> or <i>equal</i> than another version
*/
AFTER_OR_EQUAL
}