/*
* 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.helper;
import com.metamx.emitter.EmittingLogger;
import io.druid.client.indexing.IndexingServiceClient;
import io.druid.segment.IndexIO;
import io.druid.server.coordinator.DatasourceWhitelist;
import io.druid.server.coordinator.DruidCoordinatorRuntimeParams;
import io.druid.timeline.DataSegment;
import java.util.concurrent.atomic.AtomicReference;
public class DruidCoordinatorVersionConverter implements DruidCoordinatorHelper
{
private static final EmittingLogger log = new EmittingLogger(DruidCoordinatorVersionConverter.class);
private final IndexingServiceClient indexingServiceClient;
private final AtomicReference<DatasourceWhitelist> whitelistRef;
public DruidCoordinatorVersionConverter(
IndexingServiceClient indexingServiceClient,
AtomicReference<DatasourceWhitelist> whitelistRef
)
{
this.indexingServiceClient = indexingServiceClient;
this.whitelistRef = whitelistRef;
}
@Override
public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params)
{
DatasourceWhitelist whitelist = whitelistRef.get();
for (DataSegment dataSegment : params.getAvailableSegments()) {
if (whitelist == null || whitelist.contains(dataSegment.getDataSource())) {
final Integer binaryVersion = dataSegment.getBinaryVersion();
if (binaryVersion == null || binaryVersion < IndexIO.CURRENT_VERSION_ID) {
log.info("Upgrading version on segment[%s]", dataSegment.getIdentifier());
indexingServiceClient.upgradeSegment(dataSegment);
}
}
}
return params;
}
}