| /******************************************************************************* |
| * Copyright (c) 2010, 2015 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0, which accompanies this distribution |
| * and is available at https://www.eclipse.org/legal/epl-2.0/. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.utility.reference; |
| |
| /** |
| * Interface for a container for holding a <code>boolean</code>. |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @see ModifiableBooleanReference |
| */ |
| public interface BooleanReference { |
| |
| /** |
| * Return the current <code>boolean</code> value. |
| */ |
| boolean getValue(); |
| |
| /** |
| * Return whether the current <code>boolean</code> value is equal to the |
| * specified value. |
| */ |
| boolean is(boolean b); |
| |
| /** |
| * Return whether the current <code>boolean</code> value is not equal to |
| * the specified value. |
| */ |
| boolean isNot(boolean b); |
| |
| /** |
| * Return whether the current <code>boolean</code> value is |
| * <code>true</code>. |
| */ |
| boolean isTrue(); |
| |
| /** |
| * Return whether the current <code>boolean</code> value is |
| * <code>false</code>. |
| */ |
| boolean isFalse(); |
| } |