| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package javax.enterprise.inject.spi; |
| |
| import javax.enterprise.inject.Instance; |
| import java.util.ServiceLoader; |
| |
| /** |
| * <p>Static helper class to access the {@link BeanManager}</p> |
| * |
| * TODO not yet implemented! |
| * |
| * <p>Usage: |
| * <pre> |
| * BeanManager bm = CDI.current().getBeanManager(); |
| * </pre> |
| * </p> |
| * |
| * |
| * @since 1.1 |
| */ |
| public abstract class CDI<T> implements Instance<T> |
| { |
| private static volatile CDI INSTANCE; // temporary implementation |
| |
| public static CDI<Object> current() |
| { |
| if (INSTANCE == null) |
| { |
| INSTANCE = ServiceLoader.load(CDIProvider.class).iterator().next().getCDI(); |
| } |
| return INSTANCE; //X TODO implement! |
| } |
| |
| /** |
| * <p>A container or an application can set this manually. If not |
| * we will use the {@link java.util.ServiceLoader} and use the |
| * first service we find.</p> |
| * |
| * TODO: clarify if this is per 'application' or general? |
| * |
| * @param provider to use |
| */ |
| public static void setCDIProvider(CDIProvider provider) |
| { |
| //X TODO implement! |
| if (provider == null) |
| { |
| INSTANCE = null; |
| } |
| else |
| { |
| INSTANCE = provider.getCDI(); |
| } |
| } |
| |
| public abstract BeanManager getBeanManager(); |
| } |