/**
 * This file is part of Graylog.
 *
 * Graylog 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.
 *
 * Graylog 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 Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.streams;

import com.google.inject.ImplementedBy;
import org.graylog2.database.NotFoundException;
import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.streams.Output;
import org.graylog2.rest.models.streams.outputs.requests.CreateOutputRequest;

import java.util.Map;
import java.util.Set;

@ImplementedBy(OutputServiceImpl.class)
public interface OutputService {
    Output load(String streamOutputId) throws NotFoundException;

    Set<Output> loadAll();

    Output create(Output request) throws ValidationException;

    Output create(CreateOutputRequest request, String userId) throws ValidationException;

    void destroy(Output model) throws NotFoundException;

    Output update(String id, Map<String, Object> deltas);

    /**
     * @return the total number of outputs
     */
    long count();

    /**
     * @return the total number of outputs grouped by type
     */
    Map<String, Long> countByType();
}