| /******************************************************************************* |
| * Copyright (c) 2010, 2012 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.utility.internal; |
| |
| import org.eclipse.jpt.common.utility.BooleanReference; |
| |
| /** |
| * Interface for a container for passing a flag that can be changed by |
| * the recipient. |
| */ |
| public interface ModifiableBooleanReference |
| extends BooleanReference |
| { |
| /** |
| * Set the <code>boolean</code> value. |
| * Return the previous value. |
| */ |
| boolean setValue(boolean value); |
| |
| /** |
| * Set the <code>boolean</code> value to the NOT of its current value. |
| * Return the new value. |
| */ |
| boolean flip(); |
| |
| /** |
| * Set the <code>boolean</code> value to the NOT of the specified value. |
| * Return the previous value. |
| */ |
| boolean setNot(boolean v); |
| |
| /** |
| * Set the <code>boolean</code> value to <code>true</code>. |
| * Return the previous value. |
| */ |
| boolean setTrue(); |
| |
| /** |
| * Set the <code>boolean</code> value to <code>false</code>. |
| * Return the previous value. |
| */ |
| boolean setFalse(); |
| } |