org.jetbrains.kotlin.resolve.lazy.declarations.AbstractDeclarationProviderFactory Maven / Gradle / Ivy

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/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.kotlin.resolve.lazy.declarations;

import kotlin.jvm.functions.Function1;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.storage.MemoizedFunctionToNullable;
import org.jetbrains.kotlin.storage.StorageManager;

public abstract class AbstractDeclarationProviderFactory implements DeclarationProviderFactory {
    private final MemoizedFunctionToNullable packageDeclarationProviders;

    public AbstractDeclarationProviderFactory(@NotNull StorageManager storageManager) {
        this.packageDeclarationProviders =
                storageManager.createMemoizedFunctionWithNullableValues(new Function1() {
                    @Override
                    public PackageMemberDeclarationProvider invoke(FqName fqName) {
                        return createPackageMemberDeclarationProvider(fqName);
                    }
                });
    }

    @Nullable
    protected abstract PackageMemberDeclarationProvider createPackageMemberDeclarationProvider(@NotNull FqName name);

    @Override
    public PackageMemberDeclarationProvider getPackageMemberDeclarationProvider(@NotNull FqName packageFqName) {
        return packageDeclarationProviders.invoke(packageFqName);
    }
}