DeleteTable.java
/*
* Copyright 2021 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;
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Repeatable annotation declaring the deleted tables in the {@link AutoMigration#to} version of
* an auto migration.
*
* @see AutoMigration
*/
@Repeatable(DeleteTable.Entries.class)
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS)
public @interface DeleteTable {
/**
* Name of the table in the {@link AutoMigration#from} version of the database to be deleted.
*
* @return Name of the table.
*/
String tableName();
/**
* Container annotation for the repeatable annotation {@link DeleteTable}.
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS)
@interface Entries {
DeleteTable[] value();
}
}