| /* |
| * 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.cli; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.inject.Binder; |
| import com.google.inject.Module; |
| import com.metamx.common.logger.Logger; |
| import io.airlift.command.Command; |
| import io.druid.client.DruidServer; |
| import io.druid.client.InventoryView; |
| import io.druid.client.ServerView; |
| import io.druid.guice.LazySingleton; |
| import io.druid.guice.RealtimeModule; |
| import io.druid.segment.loading.DataSegmentPusher; |
| import io.druid.server.coordination.DataSegmentAnnouncer; |
| import io.druid.timeline.DataSegment; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| /** |
| */ |
| @Command( |
| name = "realtime", |
| description = "Runs a standalone realtime node for examples, see http://druid.io/docs/0.6.39/Realtime.html for a description" |
| ) |
| public class CliRealtimeExample extends ServerRunnable |
| { |
| private static final Logger log = new Logger(CliBroker.class); |
| |
| public CliRealtimeExample() |
| { |
| super(log); |
| } |
| |
| @Override |
| protected List<Object> getModules() |
| { |
| return ImmutableList.<Object>of( |
| new RealtimeModule(), |
| new Module() |
| { |
| @Override |
| public void configure(Binder binder) |
| { |
| binder.bind(DataSegmentPusher.class).to(NoopDataSegmentPusher.class).in(LazySingleton.class); |
| binder.bind(DataSegmentAnnouncer.class).to(NoopDataSegmentAnnouncer.class).in(LazySingleton.class); |
| binder.bind(InventoryView.class).to(NoopInventoryView.class).in(LazySingleton.class); |
| binder.bind(ServerView.class).to(NoopServerView.class).in(LazySingleton.class); |
| } |
| } |
| ); |
| } |
| |
| private static class NoopServerView implements ServerView |
| { |
| @Override |
| public void registerServerCallback( |
| Executor exec, ServerCallback callback |
| ) |
| { |
| // do nothing |
| } |
| |
| @Override |
| public void registerSegmentCallback( |
| Executor exec, SegmentCallback callback |
| ) |
| { |
| // do nothing |
| } |
| } |
| |
| private static class NoopInventoryView implements InventoryView |
| { |
| @Override |
| public DruidServer getInventoryValue(String string) |
| { |
| return null; |
| } |
| |
| @Override |
| public Iterable<DruidServer> getInventory() |
| { |
| return ImmutableList.of(); |
| } |
| } |
| |
| private static class NoopDataSegmentPusher implements DataSegmentPusher |
| { |
| @Override |
| public String getPathForHadoop(String dataSource) |
| { |
| return dataSource; |
| } |
| |
| @Override |
| public DataSegment push(File file, DataSegment segment) throws IOException |
| { |
| return segment; |
| } |
| } |
| |
| private static class NoopDataSegmentAnnouncer implements DataSegmentAnnouncer |
| { |
| @Override |
| public void announceSegment(DataSegment segment) throws IOException |
| { |
| // do nothing |
| } |
| |
| @Override |
| public void unannounceSegment(DataSegment segment) throws IOException |
| { |
| // do nothing |
| } |
| |
| @Override |
| public void announceSegments(Iterable<DataSegment> segments) throws IOException |
| { |
| // do nothing |
| } |
| |
| @Override |
| public void unannounceSegments(Iterable<DataSegment> segments) throws IOException |
| { |
| // do nothing |
| } |
| } |
| } |