SamplesLoaderResolver.java

/**
 * ***************************************************************************
 * Copyright (c) 2010 Qcadoo Limited
 * Project: Qcadoo MES
 * Version: 1.4
 *
 * This file is part of Qcadoo.
 *
 * Qcadoo is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * ***************************************************************************
 */
package com.qcadoo.mes.samples.resolver;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.qcadoo.mes.samples.api.SamplesLoader;
import com.qcadoo.mes.samples.loader.DummySamplesLoader;
import com.qcadoo.mes.samples.loader.GeneratedSamplesLoader;
import com.qcadoo.mes.samples.loader.MinimalSamplesLoader;
import com.qcadoo.mes.samples.loader.TestSamplesLoader;
import com.qcadoo.tenant.api.MultiTenantService;
import com.qcadoo.tenant.api.SamplesDataset;

/**
 * This service select appropriate SamplesLoader using {@link SamplesDataset} returned by
 * {@link MultiTenantService#getTenantSamplesDataset()}
 * 
 * @since 1.1.6
 */
@Service
public class SamplesLoaderResolver {

    @Autowired
    private MinimalSamplesLoader minimalSamplesLoader;

    @Autowired
    private GeneratedSamplesLoader generatedSamplesLoader;

    @Autowired
    private TestSamplesLoader testSamplesLoader;

    @Autowired
    private DummySamplesLoader dummySamplesLoader;

    @Autowired
    private MultiTenantService multiTenantService;

    /**
     * Return appropriate SamplesLoader using {@link SamplesDataset} returned by
     * {@link MultiTenantService#getTenantSamplesDataset()}
     * 
     * @return SamplesLoader implementation for specified {@link SamplesDataset}
     * 
     * @since 1.1.6
     */
    public SamplesLoader resolve() {
        final SamplesDataset samplesDataset = multiTenantService.getTenantSamplesDataset();
        switch (samplesDataset) {
            case MINIMAL:
                return minimalSamplesLoader;
            case TEST:
                return testSamplesLoader;
            case GENERATED:
                return generatedSamplesLoader;
            case NONE:
                return dummySamplesLoader;
            default:
                throw new IllegalArgumentException("Unsupported dataset: " + samplesDataset);
        }
    }

}