/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.server.coordinator.rules;
import io.druid.server.coordinator.CoordinatorStats;
import io.druid.server.coordinator.DruidCoordinator;
import io.druid.server.coordinator.DruidCoordinatorRuntimeParams;
import io.druid.timeline.DataSegment;
/**
* DropRules indicate when segments should be completely removed from the cluster.
*/
public abstract class DropRule implements Rule
{
@Override
public CoordinatorStats run(DruidCoordinator coordinator, DruidCoordinatorRuntimeParams params, DataSegment segment)
{
CoordinatorStats stats = new CoordinatorStats();
coordinator.removeSegment(segment);
stats.addToGlobalStat("deletedCount", 1);
return stats;
}
}