| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.resource.java; |
| |
| /** |
| * |
| * |
| * 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. |
| */ |
| public enum FetchType { |
| |
| EAGER, |
| LAZY; |
| |
| |
| public static FetchType fromJavaAnnotationValue(Object javaAnnotationValue) { |
| if (javaAnnotationValue == null) { |
| return null; |
| } |
| if (javaAnnotationValue.equals(JPA.FETCH_TYPE__EAGER)) { |
| return EAGER; |
| } |
| if (javaAnnotationValue.equals(JPA.FETCH_TYPE__LAZY)) { |
| return LAZY; |
| } |
| return null; |
| } |
| |
| public static String toJavaAnnotationValue(FetchType fetchType) { |
| if (fetchType == null) { |
| return null; |
| } |
| switch (fetchType) { |
| case EAGER : |
| return JPA.FETCH_TYPE__EAGER; |
| case LAZY : |
| return JPA.FETCH_TYPE__LAZY; |
| default : |
| throw new IllegalArgumentException("unknown fetch type: " + fetchType); |
| } |
| } |
| } |