IfTree.java revision 3193:3b3bea483542
1/* 2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.source.tree; 27 28/** 29 * A tree node for an {@code if} statement. 30 * 31 * For example: 32 * <pre> 33 * if ( <em>condition</em> ) 34 * <em>thenStatement</em> 35 * 36 * if ( <em>condition</em> ) 37 * <em>thenStatement</em> 38 * else 39 * <em>elseStatement</em> 40 * </pre> 41 * 42 * @jls section 14.9 43 * 44 * @author Peter von der Ahé 45 * @author Jonathan Gibbons 46 * @since 1.6 47 */ 48public interface IfTree extends StatementTree { 49 /** 50 * Returns the condition of the if-statement. 51 * @return the condition 52 */ 53 ExpressionTree getCondition(); 54 55 /** 56 * Returns the statement to be executed if the condition is true 57 * @return the statement to be executed if the condition is true 58 */ 59 StatementTree getThenStatement(); 60 61 /** 62 * Returns the statement to be executed if the condition is false, 63 * or {@code null} if there is no such statement. 64 * @return the statement to be executed if the condition is false 65 */ 66 StatementTree getElseStatement(); 67} 68