| 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.support; |
| 17 | |
| 18 | import org.springframework.data.elasticsearch.core.ElasticsearchOperations; |
| 19 | import org.springframework.data.elasticsearch.repository.ElasticsearchRepository; |
| 20 | import org.springframework.data.elasticsearch.repository.query.ElasticsearchPartQuery; |
| 21 | import org.springframework.data.elasticsearch.repository.query.ElasticsearchQueryMethod; |
| 22 | import org.springframework.data.elasticsearch.repository.query.ElasticsearchStringQuery; |
| 23 | import org.springframework.data.querydsl.QueryDslPredicateExecutor; |
| 24 | import org.springframework.data.repository.core.NamedQueries; |
| 25 | import org.springframework.data.repository.core.RepositoryMetadata; |
| 26 | import org.springframework.data.repository.core.support.RepositoryFactorySupport; |
| 27 | import org.springframework.data.repository.query.QueryLookupStrategy; |
| 28 | import org.springframework.data.repository.query.RepositoryQuery; |
| 29 | import org.springframework.util.Assert; |
| 30 | |
| 31 | import java.io.Serializable; |
| 32 | import java.lang.reflect.Method; |
| 33 | |
| 34 | import static org.springframework.data.querydsl.QueryDslUtils.QUERY_DSL_PRESENT; |
| 35 | |
| 36 | /** |
| 37 | * Factory to create {@link ElasticsearchRepository} |
| 38 | * |
| 39 | * @author Rizwan Idrees |
| 40 | * @author Mohsin Husen |
| 41 | */ |
| 42 | public class ElasticsearchRepositoryFactory extends RepositoryFactorySupport { |
| 43 | |
| 44 | private final ElasticsearchOperations elasticsearchOperations; |
| 45 | private final ElasticsearchEntityInformationCreator entityInformationCreator; |
| 46 | |
| 47 | public ElasticsearchRepositoryFactory(ElasticsearchOperations elasticsearchOperations) { |
| 48 | Assert.notNull(elasticsearchOperations); |
| 49 | this.elasticsearchOperations = elasticsearchOperations; |
| 50 | this.entityInformationCreator = new ElasticsearchEntityInformationCreatorImpl(elasticsearchOperations.getElasticsearchConverter() |
| 51 | .getMappingContext()); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public <T, ID extends Serializable> ElasticsearchEntityInformation<T, ID> getEntityInformation(Class<T> domainClass) { |
| 56 | return entityInformationCreator.getEntityInformation(domainClass); |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | @SuppressWarnings({ "rawtypes", "unchecked" }) |
| 61 | protected Object getTargetRepository(RepositoryMetadata metadata) { |
| 62 | SimpleElasticsearchRepository repository = new SimpleElasticsearchRepository(getEntityInformation(metadata.getDomainType()), elasticsearchOperations); |
| 63 | repository.setEntityClass(metadata.getDomainType()); |
| 64 | return repository; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) { |
| 69 | if (isQueryDslRepository(metadata.getRepositoryInterface())) { |
| 70 | throw new IllegalArgumentException("QueryDsl Support has not been implemented yet."); |
| 71 | } |
| 72 | return SimpleElasticsearchRepository.class; |
| 73 | } |
| 74 | |
| 75 | private static boolean isQueryDslRepository(Class<?> repositoryInterface) { |
| 76 | return QUERY_DSL_PRESENT && QueryDslPredicateExecutor.class.isAssignableFrom(repositoryInterface); |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | protected QueryLookupStrategy getQueryLookupStrategy(QueryLookupStrategy.Key key) { |
| 81 | return new ElasticsearchQueryLookupStrategy(); |
| 82 | } |
| 83 | |
| 84 | private class ElasticsearchQueryLookupStrategy implements QueryLookupStrategy { |
| 85 | |
| 86 | @Override |
| 87 | public RepositoryQuery resolveQuery(Method method, RepositoryMetadata metadata, NamedQueries namedQueries) { |
| 88 | |
| 89 | ElasticsearchQueryMethod queryMethod = new ElasticsearchQueryMethod(method, metadata, entityInformationCreator); |
| 90 | String namedQueryName = queryMethod.getNamedQueryName(); |
| 91 | |
| 92 | if (namedQueries.hasQuery(namedQueryName)) { |
| 93 | String namedQuery = namedQueries.getQuery(namedQueryName); |
| 94 | return new ElasticsearchStringQuery(queryMethod, elasticsearchOperations, namedQuery); |
| 95 | } |
| 96 | else if (queryMethod.hasAnnotatedQuery()) { |
| 97 | return new ElasticsearchStringQuery(queryMethod, elasticsearchOperations, queryMethod.getAnnotatedQuery()); |
| 98 | } |
| 99 | return new ElasticsearchPartQuery(queryMethod, elasticsearchOperations); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | } |