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/*
* 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.parser.SQLTypeAffinity
import androidx.room.parser.SQLTypeAffinity.REAL
import androidx.room.compiler.processing.XProcessingEnv
import androidx.room.compiler.processing.XType
import androidx.room.solver.CodeGenScope
import com.squareup.javapoet.TypeName.BYTE
import com.squareup.javapoet.TypeName.CHAR
import com.squareup.javapoet.TypeName.DOUBLE
import com.squareup.javapoet.TypeName.FLOAT
import com.squareup.javapoet.TypeName.INT
import com.squareup.javapoet.TypeName.LONG
import com.squareup.javapoet.TypeName.SHORT
/**
* Adapters for all primitives that has direct cursor mappings.
*/
open class PrimitiveColumnTypeAdapter(
out: XType,
val cursorGetter: String,
val stmtSetter: String,
typeAffinity: SQLTypeAffinity
) : ColumnTypeAdapter(out, typeAffinity) {
val cast = if (cursorGetter == "get${out.typeName.toString().capitalize()}")
""
else
"(${out.typeName}) "
companion object {
fun createPrimitiveAdapters(
processingEnvironment: XProcessingEnv
): List<PrimitiveColumnTypeAdapter> {
return listOf(
Triple(INT, "getInt", "bindLong"),
Triple(SHORT, "getShort", "bindLong"),
Triple(BYTE, "getShort", "bindLong"),
Triple(LONG, "getLong", "bindLong"),
Triple(CHAR, "getInt", "bindLong"),
Triple(FLOAT, "getFloat", "bindDouble"),
Triple(DOUBLE, "getDouble", "bindDouble")
).map {
PrimitiveColumnTypeAdapter(
out = processingEnvironment.requireType(it.first),
cursorGetter = it.second,
stmtSetter = it.third,
typeAffinity = when (it.first) {
INT, SHORT, BYTE, LONG, CHAR -> SQLTypeAffinity.INTEGER
FLOAT, DOUBLE -> REAL
else -> throw IllegalArgumentException("invalid type")
}
)
}
}
}
override fun bindToStmt(
stmtName: String,
indexVarName: String,
valueVarName: String,
scope: CodeGenScope
) {
scope.builder()
.addStatement("$L.$L($L, $L)", stmtName, stmtSetter, indexVarName, valueVarName)
}
override fun readFromCursor(
outVarName: String,
cursorVarName: String,
indexVarName: String,
scope: CodeGenScope
) {
scope.builder()
.addStatement("$L = $L$L.$L($L)", outVarName, cast, cursorVarName,
cursorGetter, indexVarName)
}
}