StatisticDataRepository.java

/* Copyright (c) 2011 Danish Maritime Authority
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
package dk.dma.ais.abnormal.stat.db;

import dk.dma.ais.abnormal.stat.db.data.DatasetMetaData;
import dk.dma.ais.abnormal.stat.db.data.StatisticData;

import java.util.Set;

public interface StatisticDataRepository {

    DatasetMetaData getMetaData();
    void putMetaData(DatasetMetaData datasetMetadata);

    StatisticData getStatisticData(String statisticName, long cellId);
    void putStatisticData(String statisticName, long cellId, StatisticData statistics);

    Set<String> getStatisticNames();

    long getNumberOfCells(String statisticName);
    Set<Long> getCellsWithData(String statisticName);
    StatisticData getStatisticDataForRandomCell(String statisticName);

    void openForRead();
    void openForWrite(boolean cacheInMemoryDumpToDiskOnClose);
    void close();
}