| /* |
| * Copyright 2018 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.solver.shortcut.binder |
| |
| import androidx.room.solver.CodeGenScope |
| import androidx.room.solver.shortcut.result.DeleteOrUpdateMethodAdapter |
| import androidx.room.vo.ShortcutQueryParameter |
| import com.squareup.javapoet.FieldSpec |
| import com.squareup.javapoet.TypeSpec |
| |
| /** |
| * Connects the delete or update method, the database and the [DeleteOrUpdateMethodAdapter]. |
| * |
| * The default implementation is [InstantDeleteOrUpdateMethodBinder] that executes the delete/update |
| * synchronously. |
| * If the delete/update is deferred, rather than synchronously, alternatives implementations can be |
| * implemented using this interface (e.g. RxJava, coroutines etc). |
| */ |
| abstract class DeleteOrUpdateMethodBinder(val adapter: DeleteOrUpdateMethodAdapter?) { |
| |
| /** |
| * Received the delete/update method parameters, the adapters and generates the code that |
| * runs the delete/update and returns the result. |
| * |
| * For example, for the DAO method |
| * ``` |
| * @Delete |
| * fun deletePublishers(vararg publishers: Publisher) |
| * ``` |
| * The following code will be generated: |
| * |
| * ``` |
| * __db.beginTransaction(); |
| * try { |
| * __deletionAdapterOfPublisher.handleMultiple(publishers); |
| * __db.setTransactionSuccessful(); |
| * } finally { |
| * __db.endTransaction(); |
| * } |
| * ``` |
| */ |
| abstract fun convertAndReturn( |
| parameters: List<ShortcutQueryParameter>, |
| adapters: Map<String, Pair<FieldSpec, TypeSpec>>, |
| dbField: FieldSpec, |
| scope: CodeGenScope |
| ) |
| } |
