/*
 * Copyright (c) 2009 Mysema Ltd.
 * All rights reserved.
 *
 */
package com.mysema.rdfbean.sesame;

import java.io.File;

import javax.annotation.Nullable;

import org.openrdf.repository.Repository;
import org.openrdf.repository.sail.SailRepository;
import org.openrdf.sail.nativerdf.NativeStore;

import com.google.common.base.Strings;
import com.mysema.commons.lang.Assert;
import com.mysema.rdfbean.model.FileIdSequence;
import com.mysema.rdfbean.model.IdSequence;

/**
 * Implementation of the Repository interface using NativeStore
 * 
 * @author sasa
 * 
 */
public class NativeRepository extends SesameRepository {

    @Nullable
    private File dataDir;

    private IdSequence idSource;

    private String indexes;

    public NativeRepository() {
    }

    public NativeRepository(File dataDir, boolean sesameInference) {
        this.dataDir = dataDir;
        setSesameInference(sesameInference);
    }

    public NativeRepository(File dataDir) {
        this.dataDir = dataDir;
    }

    @Override
    protected Repository createRepository(boolean sesameInference) {
        NativeStore store = new NativeStore(Assert.notNull(dataDir, "dataDir"));
        if (indexes != null) {
            store.setTripleIndexes(indexes);
        }
        idSource = new FileIdSequence(new File(dataDir, "lastLocalId"));
        if (sesameInference) {
            return new SailRepository(new ExtendedRDFSInferencer(store));
        } else {
            return new SailRepository(store);
        }
    }

    @Override
    public long getNextLocalId() {
        return idSource.getNextId();
    }

    public void setDataDir(File dataDir) {
        this.dataDir = dataDir;
    }

    public void setDataDirName(String dataDirName) {
        if (!Strings.isNullOrEmpty(dataDirName)) {
            this.dataDir = new File(dataDirName);
        }
    }

    public void setIndexes(String indexes) {
        this.indexes = indexes;
    }

}