1 /*
2  * Copyright (C) 2017 The Android Open Source Project
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 
17 package androidx.room.vo
18 
19 import androidx.room.ext.typeName
20 import androidx.room.processor.EntityProcessor
21 import com.google.auto.common.MoreElements
22 import com.squareup.javapoet.TypeName
23 import javax.lang.model.element.TypeElement
24 import javax.lang.model.type.DeclaredType
25 
26 /**
27  * A class is turned into a Pojo if it is used in a query response.
28  */
29 open class Pojo(
30         val element: TypeElement,
31         val type: DeclaredType,
32         val fields: List<Field>,
33         val embeddedFields: List<EmbeddedField>,
34         val relations: List<Relation>,
35         val constructor: Constructor? = null) {
<lambda>null36     val typeName: TypeName by lazy { type.typeName() }
37 
38     /**
39      * All table names that are somehow accessed by this Pojo.
40      * Might be via Embedded or Relation.
41      */
accessedTableNamesnull42     fun accessedTableNames(): List<String> {
43         val entityAnnotation = MoreElements.getAnnotationMirror(element,
44                 androidx.room.Entity::class.java).orNull()
45         return if (entityAnnotation != null) {
46             listOf(EntityProcessor.extractTableName(element, entityAnnotation))
47         } else {
48             embeddedFields.flatMap {
49                 it.pojo.accessedTableNames()
50             } + relations.map {
51                 it.entity.tableName
52             }
53         }
54     }
55 }
56