/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.index;

import java.io.IOException;
import java.nio.file.OpenOption;
import org.eclipse.collections.api.set.ImmutableSet;
import org.neo4j.internal.schema.IndexProviderDescriptor;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.layout.DatabaseLayout;
import org.neo4j.kernel.api.index.IndexDirectoryStructure;

abstract class NativeIndexRestartAction {
    final IndexProviderDescriptor providerDescriptor;

    NativeIndexRestartAction(IndexProviderDescriptor providerDescriptor) {
        this.providerDescriptor = providerDescriptor;
    }

    public void run(FileSystemAbstraction fs, DatabaseLayout databaseLayout, ImmutableSet<OpenOption> openOptions)
            throws IOException {
        IndexDirectoryStructure indexDirectoryStructure =
                nativeIndexDirectoryStructure(databaseLayout, providerDescriptor);
        runOnDirectoryStructure(fs, indexDirectoryStructure, openOptions);
    }

    protected abstract void runOnDirectoryStructure(
            FileSystemAbstraction fs,
            IndexDirectoryStructure indexDirectoryStructure,
            ImmutableSet<OpenOption> openOptions)
            throws IOException;

    static IndexDirectoryStructure nativeIndexDirectoryStructure(
            DatabaseLayout databaseLayout, IndexProviderDescriptor providerDescriptor) {
        return IndexDirectoryStructure.directoriesByProvider(databaseLayout.databaseDirectory())
                .forProvider(providerDescriptor);
    }
}
