/*

 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package com.sun.source.tree;

/**

 * A tree node for an {@code if} statement.

 *

 * For example:

 * <pre>

 *   if ( <em>condition</em> )

 *      <em>thenStatement</em>

 *

 *   if ( <em>condition</em> )

 *       <em>thenStatement</em>

 *   else

 *       <em>elseStatement</em>

 * </pre>

 *

 * @jls section 14.9

 *

 * @author Peter von der Ahé

 * @author Jonathan Gibbons

 * @since 1.6

 */

public interface IfTree extends StatementTree {

    /**

     * Returns the condition of the if-statement.

     * @return the condition

     */

    ExpressionTree getCondition();

    /**

     * Returns the statement to be executed if the condition is true

     * @return the statement to be executed if the condition is true

     */

    StatementTree getThenStatement();

    /**

     * Returns the statement to be executed if the condition is false,

     * or {@code null} if there is no such statement.

     * @return the statement to be executed if the condition is false

     */

    StatementTree getElseStatement();

}