/* 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;
import com.google_voltpatches.common.base.Supplier;
import java.util.List;
// Some comments on threading and organization.
// replica change handler runs in the zookeeper watch thread context.
// replica change handler invokes a method in init.mbox that also
// takes the init.mbox deliver lock
//
// it is important that repair work happens with the deliver lock held
// and that updatereplicas also holds this lock -- replica failure during
// repair must happen unambigously before or after each local repair action.
/**
* Term encapsulates the leader's watch responsibilities.
*/
public interface Term
{
/**
* Start a new Term. Returns a future that is done when the leadership has
* been fully assumed and all surviving replicas have been repaired.
*/
public void start();
public void shutdown();
/** Get the current set of HSIds which we're monitoring */
public Supplier<List<Long>> getInterestingHSIds();
}