Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library 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 library 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. */ package com.liferay.portal.kernel.search; /** * @author Brian Wing Shun Chan */ public interface BooleanClauseOccur { public static final BooleanClauseOccur MUST = new BooleanClauseOccurImpl("MUST"); public static final BooleanClauseOccur MUST_NOT = new BooleanClauseOccurImpl("MUST_NOT"); public static final BooleanClauseOccur SHOULD = new BooleanClauseOccurImpl("SHOULD"); public String getName(); }