BoxedBooleanToBoxedIntConverter.kt
/*
* Copyright (C) 2016 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.types
import androidx.room.ext.L
import androidx.room.compiler.processing.XProcessingEnv
import androidx.room.solver.CodeGenScope
import com.squareup.javapoet.CodeBlock
/**
* int to boolean adapter.
*/
object BoxedBooleanToBoxedIntConverter {
fun create(processingEnvironment: XProcessingEnv): List<TypeConverter> {
val tBoolean = processingEnvironment.requireType("java.lang.Boolean").makeNullable()
val tInt = processingEnvironment.requireType("java.lang.Integer").makeNullable()
return listOf(
object : SingleStatementTypeConverter(tBoolean, tInt) {
override fun buildStatement(inputVarName: String, scope: CodeGenScope): CodeBlock {
return CodeBlock.of(
"$L == null ? null : ($L ? 1 : 0)",
inputVarName, inputVarName
)
}
},
object : SingleStatementTypeConverter(tInt, tBoolean) {
override fun buildStatement(inputVarName: String, scope: CodeGenScope): CodeBlock {
return CodeBlock.of(
"$L == null ? null : $L != 0",
inputVarName, inputVarName
)
}
}
)
}
}