/* 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.importer;
import java.util.Map;
import java.util.Properties;
import org.voltcore.messaging.HostMessenger;
import org.voltdb.CatalogContext;
import org.voltdb.utils.CatalogUtil.ImportConfiguration;
/**
* Interface ImportDataProcessor imposes on processors.
*
*/
public interface ImportDataProcessor {
public static final String IMPORT_MODULE = "__IMPORT_MODULE__";
public static final String IMPORT_FORMATTER = "__IMPORT_FORMATTER__";
public static final String IMPORT_PROCEDURE = "procedure";
public static final String IMPORTER_CLASS = "impl";
public static final String IMPORTER_SERVICE_CLASS = "org.voltdb.importer.ImportHandlerProxy";
/**
* Inform the processor that initialization is complete; commence work.
* @param context
* @param messenger to get handle to zookeeper
*/
public void readyForData(CatalogContext context, HostMessenger messenger);
/**
* The system is terminating. Cleanup and exit the processor.
*/
public void shutdown();
/**
* Pass processor specific processor configuration properties
* @param context current catalog context
* @param config an instance of {@linkplain Properties}
*/
public void setProcessorConfig(CatalogContext context, Map<String, ImportConfiguration> config);
public int getPartitionsCount();
}