JavacRawType.kt

/*
 * Copyright 2020 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.compiler.processing.javac

import androidx.room.compiler.codegen.XTypeName
import androidx.room.compiler.processing.XNullability
import androidx.room.compiler.processing.XRawType
import androidx.room.compiler.processing.safeTypeName

internal class JavacRawType(
    env: JavacProcessingEnv,
    original: JavacType
) : XRawType {
    private val erased = env.typeUtils.erasure(original.typeMirror)
    private val typeUtils = env.delegate.typeUtils

    override val typeName by lazy {
        xTypeName.java
    }

    private val xTypeName: XTypeName by lazy {
        XTypeName(
            erased.safeTypeName(),
            XTypeName.UNAVAILABLE_KTYPE_NAME,
            original.maybeNullability ?: XNullability.UNKNOWN
        )
    }

    override fun asTypeName() = xTypeName

    override fun isAssignableFrom(other: XRawType): Boolean {
        return other is JavacRawType && typeUtils.isAssignable(other.erased, erased)
    }

    override fun equals(other: Any?): Boolean {
        return this === other || xTypeName == (other as? XRawType)?.asTypeName()
    }

    override fun hashCode(): Int {
        return xTypeName.hashCode()
    }

    override fun toString(): String {
        return xTypeName.java.toString()
    }
}