/** * Copyright (C) 2009-2013 FoundationDB, LLC * * 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package com.foundationdb.server; import com.foundationdb.server.service.session.Session; /** * Structure denotes summary information about a table, including row count, * uniqueId and auto-increment values. In general there is one TableStatus per * RowDef, and each object refers to the other. */ public interface TableStatus { /** Record that a row has been deleted. */ void rowDeleted(Session session); /** Record that a row has been written. */ void rowsWritten(Session session, long count); /** Reset, but do not remove, the state of a table. */ void truncate(Session session); /** * @return Current number of rows in the associated table. */ long getRowCount(Session session); /** * @return Approximate number of rows in the associated table. */ long getApproximateRowCount(Session session); /** @return The table ID this status is for */ int getTableID(); void setRowCount(Session session, long rowCount); }