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.annotation.NonNull
20 import androidx.room.ext.hasAnnotation
21 
22 /**
23  * Used when a field is embedded inside an Entity or Pojo.
24  */
25 // used in cache matching, must stay as a data class or implement equals
26 data class EmbeddedField(val field: Field, val prefix: String = "",
27                          val parent: EmbeddedField?) {
<lambda>null28     val getter by lazy { field.getter }
<lambda>null29     val setter by lazy { field.setter }
30     val nonNull = field.element.hasAnnotation(NonNull::class)
31     lateinit var pojo: Pojo
<lambda>null32     val mRootParent: EmbeddedField by lazy {
33         parent?.mRootParent ?: this
34     }
35 
isNonNullRecursivelynull36     fun isNonNullRecursively(): Boolean {
37         return field.nonNull && (parent == null || parent.isNonNullRecursively())
38     }
39 }
40