room/compiler/src/main/kotlin/android/arch/persistence/room/vo/Dao.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 android.arch.persistence.room.vo

import com.squareup.javapoet.ClassName
import com.squareup.javapoet.TypeName
import javax.lang.model.element.TypeElement
import javax.lang.model.type.DeclaredType

data class Dao(val element : TypeElement, val type : DeclaredType,
               val queryMethods: List<QueryMethod>,
               val insertionMethods : List<InsertionMethod>,
               val deletionMethods : List<DeletionMethod>,
               val updateMethods : List<UpdateMethod>,
               val transactionMethods : List<TransactionMethod>,
               val constructorParamType : TypeName?) {
    // parsed dao might have a suffix if it is used in multiple databases.
    private var suffix : String? = null
    fun setSuffix(newSuffix : String) {
        if (this.suffix != null) {
            throw IllegalStateException("cannot set suffix twice")
        }
        this.suffix = if (newSuffix == "") "" else "_$newSuffix"
    }

    val typeName : ClassName by lazy { ClassName.get(element) }

    val shortcutMethods : List<ShortcutMethod> by lazy {
        deletionMethods + updateMethods
    }

    private val implClassName by lazy {
        if (suffix == null) {
            suffix = ""
        }
        "${typeName.simpleName()}${suffix}_Impl"
    }

    val implTypeName by lazy {
        ClassName.get(typeName.packageName(), implClassName)
    }
}