/*
 * 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.kernel.impl.store.format;

import java.nio.file.OpenOption;
import org.eclipse.collections.api.factory.Sets;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.set.MutableSet;
import org.neo4j.io.pagecache.PageCacheOpenOptions;

public class PageCacheOptionsSelector {
    /**
     * Builds set of options required for provided format
     */
    public static ImmutableSet<OpenOption> select(RecordFormats recordFormats) {
        MutableSet<OpenOption> options = Sets.mutable.empty();
        // old formats don't have such capability, so they are big-endian
        if (!recordFormats.hasCapability(RecordStorageCapability.LITTLE_ENDIAN)) {

            options.add(PageCacheOpenOptions.BIG_ENDIAN);
        }
        if (recordFormats.hasCapability(RecordStorageCapability.MULTI_VERSIONED)) {
            options.add(PageCacheOpenOptions.MULTI_VERSIONED);
        }
        return options.toImmutable();
    }
}
