GuavaListenableFutureInsertMethodBinderProvider.kt
/*
* 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.binderprovider
import androidx.room.compiler.processing.XType
import androidx.room.ext.GuavaUtilConcurrentTypeNames
import androidx.room.ext.L
import androidx.room.ext.N
import androidx.room.ext.RoomGuavaTypeNames
import androidx.room.ext.T
import androidx.room.processor.Context
import androidx.room.processor.ProcessorErrors
import androidx.room.solver.shortcut.binder.CallableInsertMethodBinder.Companion.createInsertBinder
import androidx.room.solver.shortcut.binder.InsertOrUpsertMethodBinder
import androidx.room.vo.ShortcutQueryParameter
/**
* Provider for Guava ListenableFuture binders.
*/
class GuavaListenableFutureInsertMethodBinderProvider(
private val context: Context
) : InsertOrUpsertMethodBinderProvider {
private val hasGuavaRoom by lazy {
context.processingEnv.findTypeElement(RoomGuavaTypeNames.GUAVA_ROOM) != null
}
override fun matches(declared: XType): Boolean =
declared.typeArguments.size == 1 &&
declared.rawType.typeName == GuavaUtilConcurrentTypeNames.LISTENABLE_FUTURE
override fun provide(
declared: XType,
params: List<ShortcutQueryParameter>
): InsertOrUpsertMethodBinder {
if (!hasGuavaRoom) {
context.logger.e(ProcessorErrors.MISSING_ROOM_GUAVA_ARTIFACT)
}
val typeArg = declared.typeArguments.first()
val adapter = context.typeAdapterStore.findInsertAdapter(typeArg, params)
return createInsertBinder(typeArg, adapter) { callableImpl, dbField ->
addStatement(
"return $T.createListenableFuture($N, $L, $L)",
RoomGuavaTypeNames.GUAVA_ROOM,
dbField,
"true", // inTransaction
callableImpl
)
}
}
}