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.core.mapping; |
17 | |
18 | import org.springframework.beans.BeansException; |
19 | import org.springframework.context.ApplicationContext; |
20 | import org.springframework.context.ApplicationContextAware; |
21 | import org.springframework.context.expression.BeanFactoryAccessor; |
22 | import org.springframework.context.expression.BeanFactoryResolver; |
23 | import org.springframework.data.elasticsearch.annotations.Document; |
24 | import org.springframework.data.mapping.model.BasicPersistentEntity; |
25 | import org.springframework.data.mapping.model.MappingException; |
26 | import org.springframework.data.util.TypeInformation; |
27 | import org.springframework.expression.spel.support.StandardEvaluationContext; |
28 | import org.springframework.util.Assert; |
29 | |
30 | import java.util.Locale; |
31 | |
32 | import static org.springframework.util.StringUtils.hasText; |
33 | |
34 | /** |
35 | * Elasticsearch specific {@link org.springframework.data.mapping.PersistentEntity} implementation holding |
36 | * |
37 | * @param <T> |
38 | * |
39 | * @author Rizwan Idrees |
40 | * @author Mohsin Husen |
41 | */ |
42 | public class SimpleElasticsearchPersistentEntity<T> extends BasicPersistentEntity<T, ElasticsearchPersistentProperty> implements |
43 | ElasticsearchPersistentEntity<T>, ApplicationContextAware { |
44 | |
45 | private final StandardEvaluationContext context; |
46 | private String indexName; |
47 | private String indexType; |
48 | private ElasticsearchPersistentProperty versionProperty; |
49 | |
50 | public SimpleElasticsearchPersistentEntity(TypeInformation<T> typeInformation) { |
51 | super(typeInformation); |
52 | this.context = new StandardEvaluationContext(); |
53 | Class<T> clazz = typeInformation.getType(); |
54 | if(clazz.isAnnotationPresent(Document.class)){ |
55 | Document document = clazz.getAnnotation(Document.class); |
56 | Assert.hasText(document.indexName(), " Unknown indexName. Make sure the indexName is defined. e.g @Document(indexName=\"foo\")"); |
57 | this.indexName = typeInformation.getType().getAnnotation(Document.class).indexName(); |
58 | this.indexType = hasText(document.type())? document.type() : clazz.getSimpleName().toLowerCase(Locale.ENGLISH); |
59 | } |
60 | } |
61 | |
62 | @Override |
63 | public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { |
64 | context.addPropertyAccessor(new BeanFactoryAccessor()); |
65 | context.setBeanResolver(new BeanFactoryResolver(applicationContext)); |
66 | context.setRootObject(applicationContext); |
67 | } |
68 | |
69 | @Override |
70 | public String getIndexName() { |
71 | return indexName; |
72 | } |
73 | |
74 | @Override |
75 | public String getIndexType() { |
76 | return indexType; |
77 | } |
78 | |
79 | @Override |
80 | public ElasticsearchPersistentProperty getVersionProperty() { |
81 | return this.versionProperty; |
82 | } |
83 | |
84 | @Override |
85 | public void addPersistentProperty(ElasticsearchPersistentProperty property) { |
86 | super.addPersistentProperty(property); |
87 | if(property.isVersionProperty()){ |
88 | if (this.versionProperty != null) { |
89 | throw new MappingException(String.format( |
90 | "Attempt to add version property %s but already have property %s registered " |
91 | + "as version. Check your mapping configuration!", property.getField(), versionProperty.getField())); |
92 | } |
93 | Assert.isTrue(property.getType() == Long.class, "Version property should be Long"); |
94 | this.versionProperty = property; |
95 | } |
96 | } |
97 | } |