/* 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.iv2; /** * An interest that is registered at each partition replica * and is called when transaction commits on all replicas. * * Implement this interface and register it to the RepairLog * if your code cares about when transaction commits globally. */ public interface TransactionCommitInterest { /** * Called when transactions are committed on all replicas. * * This callback will be invoked from the site thread. * DO NOT perform any blocking operation in the callback. * * @param spHandle The highest safe spHandle across all replicas. * Use this to determine if a transaction is safe * to be made visible to other parts of the system. */ void transactionCommitted(final long spHandle); }