/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* This program 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 VoltDB. If not, see <http://www.gnu.org/licenses/>.
*/
package org.voltdb.export;
import java.nio.ByteBuffer;
import java.util.Map;
import org.voltcore.messaging.HostMessenger;
/**
* Export data from a single catalog version and database instance.
*
*/
public interface Generation {
public boolean isContinueingGeneration();
public void kickOffLeaderElection(final HostMessenger messenger);
public void acceptMastershipTask(int partitionId);
public void close(final HostMessenger messenger);
public long getQueuedExportBytes(int partitionId, String signature);
public void pushExportBuffer(int partitionId, String signature, long uso, ByteBuffer buffer, boolean sync, boolean endOfStream);
public boolean truncateExportToTxnId(long snapshotTxnId, long[] perPartitionTxnIds);
public Map<Integer, Map<String, ExportDataSource>> getDataSourceByPartition();
}