ForeignKeyAction.kt
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.room.vo
import androidx.room.ForeignKey
/**
* Compiler representation of ForeignKey#Action.
*/
enum class ForeignKeyAction(val annotationValue: Int, val sqlName: String) {
NO_ACTION(ForeignKey.NO_ACTION, "NO ACTION"),
RESTRICT(ForeignKey.RESTRICT, "RESTRICT"),
SET_NULL(ForeignKey.SET_NULL, "SET NULL"),
SET_DEFAULT(ForeignKey.SET_DEFAULT, "SET DEFAULT"),
CASCADE(ForeignKey.CASCADE, "CASCADE");
companion object {
private val mapping by lazy {
values().associateBy { it.annotationValue }
}
fun fromAnnotationValue(value: Int?) = mapping[value]
}
}