/*
 * 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.api.impl.index;

import java.io.Closeable;
import java.io.IOException;
import java.util.List;
import org.apache.lucene.store.Directory;
import org.neo4j.configuration.Config;
import org.neo4j.function.ThrowingBiConsumer;
import org.neo4j.internal.schema.IndexDescriptor;
import org.neo4j.kernel.api.impl.index.partition.AbstractIndexPartition;
import org.neo4j.kernel.api.impl.index.partition.IndexPartitionFactory;
import org.neo4j.kernel.api.impl.index.storage.PartitionedIndexStorage;
import org.neo4j.kernel.api.index.IndexReader;
import org.neo4j.kernel.impl.index.schema.IndexUsageTracker;

/**
 * Used by {@link MinimalDatabaseIndex}
 */
public class MinimalLuceneIndex<READER extends IndexReader> extends AbstractLuceneIndex<READER> implements Closeable {
    public MinimalLuceneIndex(
            PartitionedIndexStorage indexStorage,
            IndexPartitionFactory partitionFactory,
            IndexDescriptor descriptor,
            Config config) {
        super(indexStorage, partitionFactory, descriptor, config);
    }

    @Override
    protected READER createSimpleReader(List<AbstractIndexPartition> partitions, IndexUsageTracker usageTracker) {
        throw new UnsupportedOperationException("Cannot create readers for index that can only be dropped.");
    }

    @Override
    protected READER createPartitionedReader(List<AbstractIndexPartition> partitions, IndexUsageTracker usageTracker) {
        throw new UnsupportedOperationException("Cannot create readers for index that can only be dropped.");
    }

    @Override
    public void accessClosedDirectories(ThrowingBiConsumer<Integer, Directory, IOException> visitor) {
        throw new UnsupportedOperationException("Cannot create readers for index that can only be dropped.");
    }
}
