| /* |
| * 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 org.apache.batchee.cdi.impl; |
| |
| import javax.batch.runtime.context.JobContext; |
| import javax.batch.runtime.context.StepContext; |
| import javax.enterprise.inject.spi.Bean; |
| import javax.enterprise.inject.spi.BeanManager; |
| |
| /** |
| * This implementation of {@link ContextResolver} is needed to enable BatchEE CDI-Scopes |
| * for other JBatch implementations then BatchEE. |
| * <p> |
| * It uses {@link BeanManager} for the current {@link JobContext} and {@link StepContext} lookup. |
| * <p> |
| * Every time a *Context is needed, it will be resolved via {@link BeanManager}. |
| */ |
| class DynamicContextResolver implements ContextResolver { |
| |
| private final BeanManager bm; |
| |
| |
| DynamicContextResolver(BeanManager bm) { |
| this.bm = bm; |
| } |
| |
| |
| @Override |
| public JobContext getJobContext() { |
| return resolve(JobContext.class); |
| } |
| |
| @Override |
| public StepContext getStepContext() { |
| return resolve(StepContext.class); |
| } |
| |
| |
| private <T> T resolve(Class<T> contextClass) { |
| Bean<?> bean = bm.resolve(bm.getBeans(contextClass)); |
| return (T) bm.getReference(bean, contextClass, bm.createCreationalContext(bean)); |
| |
| } |
| } |