SmbMmapFsDirectoryService.java example

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package org.elasticsearch.index.store.smbmmapfs;

import org.apache.lucene.store.Directory;
import org.apache.lucene.store.LockFactory;
import org.apache.lucene.store.MMapDirectory;
import org.elasticsearch.cloud.azure.SmbDirectoryWrapper;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.index.settings.IndexSettingsService;
import org.elasticsearch.index.shard.ShardPath;
import org.elasticsearch.index.store.FsDirectoryService;
import org.elasticsearch.index.store.IndexStore;

import java.io.IOException;
import java.nio.file.Path;

public class SmbMmapFsDirectoryService extends FsDirectoryService {

    @Inject
    public SmbMmapFsDirectoryService(IndexSettingsService indexSettingsService, IndexStore indexStore, ShardPath path) {
        super(indexSettingsService.getSettings(), indexStore, path);
    }

    @Override
    protected Directory newFSDirectory(Path location, LockFactory lockFactory) throws IOException {
        logger.debug("wrapping MMapDirectory for SMB");
        return new SmbDirectoryWrapper(new MMapDirectory(location, buildLockFactory(indexSettings)));
    }
}