| 1 | /* |
| 2 | * Copyright 2013 the original author or authors. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.springframework.data.elasticsearch.repository.cdi; |
| 17 | |
| 18 | import org.springframework.data.elasticsearch.core.ElasticsearchOperations; |
| 19 | import org.springframework.data.repository.cdi.CdiRepositoryExtensionSupport; |
| 20 | |
| 21 | import javax.enterprise.event.Observes; |
| 22 | import javax.enterprise.inject.UnsatisfiedResolutionException; |
| 23 | import javax.enterprise.inject.spi.AfterBeanDiscovery; |
| 24 | import javax.enterprise.inject.spi.Bean; |
| 25 | import javax.enterprise.inject.spi.BeanManager; |
| 26 | import javax.enterprise.inject.spi.ProcessBean; |
| 27 | import java.lang.annotation.Annotation; |
| 28 | import java.lang.reflect.Type; |
| 29 | import java.util.HashMap; |
| 30 | import java.util.Map; |
| 31 | import java.util.Map.Entry; |
| 32 | import java.util.Set; |
| 33 | |
| 34 | /** |
| 35 | * ElasticsearchRepositoryExtension |
| 36 | * |
| 37 | * @author Rizwan Idrees |
| 38 | * @author Mohsin Husen |
| 39 | */ |
| 40 | |
| 41 | public class ElasticsearchRepositoryExtension extends CdiRepositoryExtensionSupport { |
| 42 | |
| 43 | private final Map<String, Bean<ElasticsearchOperations>> elasticsearchOperationsMap = new HashMap<String, Bean<ElasticsearchOperations>>(); |
| 44 | |
| 45 | @SuppressWarnings("unchecked") |
| 46 | <T> void processBean(@Observes ProcessBean<T> processBean) { |
| 47 | Bean<T> bean = processBean.getBean(); |
| 48 | for (Type type : bean.getTypes()) { |
| 49 | if (type instanceof Class<?> && ElasticsearchOperations.class.isAssignableFrom((Class<?>) type)) { |
| 50 | elasticsearchOperationsMap.put(bean.getQualifiers().toString(), ((Bean<ElasticsearchOperations>) bean)); |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | void afterBeanDiscovery(@Observes AfterBeanDiscovery afterBeanDiscovery, BeanManager beanManager) { |
| 56 | for (Entry<Class<?>, Set<Annotation>> entry : getRepositoryTypes()) { |
| 57 | |
| 58 | Class<?> repositoryType = entry.getKey(); |
| 59 | Set<Annotation> qualifiers = entry.getValue(); |
| 60 | |
| 61 | Bean<?> repositoryBean = createRepositoryBean(repositoryType, qualifiers, beanManager); |
| 62 | afterBeanDiscovery.addBean(repositoryBean); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | private <T> Bean<T> createRepositoryBean(Class<T> repositoryType, Set<Annotation> qualifiers, BeanManager beanManager) { |
| 67 | Bean<ElasticsearchOperations> elasticsearchOperationsBean = this.elasticsearchOperationsMap.get(qualifiers.toString()); |
| 68 | |
| 69 | if (elasticsearchOperationsBean == null) { |
| 70 | throw new UnsatisfiedResolutionException(String.format("Unable to resolve a bean for '%s' with qualifiers %s.", |
| 71 | ElasticsearchOperations.class.getName(), qualifiers)); |
| 72 | } |
| 73 | return new ElasticsearchRepositoryBean<T>(elasticsearchOperationsBean, qualifiers, repositoryType, beanManager); |
| 74 | } |
| 75 | |
| 76 | } |