| /******************************************************************************* |
| * Copyright (c) 2007, 2011 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.core.internal.context; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.jpt.core.context.ReadOnlyPersistentAttribute; |
| |
| public class PersistentAttributePropertyTester |
| extends PropertyTester |
| { |
| public static final String IS_MAPPED = "isMapped"; //$NON-NLS-1$ |
| |
| public static final String IS_VIRTUAL = "isVirtual"; //$NON-NLS-1$ |
| |
| |
| public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { |
| if (property == null) { |
| return false; |
| } |
| if ( ! (expectedValue instanceof Boolean)) { |
| return false; |
| } |
| return this.test_(receiver, property, ((Boolean) expectedValue).booleanValue()); |
| } |
| |
| /** |
| * pre-condition: property is not <code>null</code> |
| */ |
| protected boolean test_(Object receiver, String property, boolean expected) { |
| if (property.equals(IS_MAPPED)) { |
| boolean actual = ((ReadOnlyPersistentAttribute) receiver).getMapping().getKey() != null; |
| return actual == expected; |
| } |
| if (property.equals(IS_VIRTUAL)) { |
| boolean actual = ((ReadOnlyPersistentAttribute) receiver).isVirtual(); |
| return actual == expected; |
| } |
| return false; |
| } |
| } |