/*
* 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.indexing.overlord;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import io.druid.indexing.common.TaskLock;
import io.druid.indexing.common.TaskStatus;
import io.druid.indexing.common.TaskToolbox;
import io.druid.indexing.common.actions.LockAcquireAction;
import io.druid.indexing.common.actions.LockListAction;
import io.druid.indexing.common.actions.LockReleaseAction;
import io.druid.indexing.common.actions.SegmentInsertAction;
import io.druid.indexing.common.actions.TaskActionClient;
import io.druid.indexing.common.task.AbstractTask;
import io.druid.indexing.common.task.TaskResource;
import io.druid.timeline.DataSegment;
import org.joda.time.Interval;
import org.junit.Assert;
import java.util.List;
/**
*/
public class RealtimeishTask extends AbstractTask
{
public RealtimeishTask()
{
super("rt1", "rt", new TaskResource("rt1", 1), "foo");
}
public RealtimeishTask(String id, String groupId, TaskResource taskResource, String dataSource)
{
super(id, groupId, taskResource, dataSource);
}
@Override
public String getType()
{
return "realtime_test";
}
@Override
public boolean isReady(TaskActionClient taskActionClient) throws Exception
{
return true;
}
@Override
public TaskStatus run(TaskToolbox toolbox) throws Exception
{
final Interval interval1 = new Interval("2010-01-01T00/PT1H");
final Interval interval2 = new Interval("2010-01-01T01/PT1H");
// Sort of similar to what realtime tasks do:
// Acquire lock for first interval
final TaskLock lock1 = toolbox.getTaskActionClient().submit(new LockAcquireAction(interval1));
final List<TaskLock> locks1 = toolbox.getTaskActionClient().submit(new LockListAction());
// (Confirm lock sanity)
Assert.assertEquals("lock1 interval", interval1, lock1.getInterval());
Assert.assertEquals("locks1", ImmutableList.of(lock1), locks1);
// Acquire lock for second interval
final TaskLock lock2 = toolbox.getTaskActionClient().submit(new LockAcquireAction(interval2));
final List<TaskLock> locks2 = toolbox.getTaskActionClient().submit(new LockListAction());
// (Confirm lock sanity)
Assert.assertEquals("lock2 interval", interval2, lock2.getInterval());
Assert.assertEquals("locks2", ImmutableList.of(lock1, lock2), locks2);
// Push first segment
toolbox.getTaskActionClient()
.submit(
new SegmentInsertAction(
ImmutableSet.of(
DataSegment.builder()
.dataSource("foo")
.interval(interval1)
.version(lock1.getVersion())
.build()
)
)
);
// Release first lock
toolbox.getTaskActionClient().submit(new LockReleaseAction(interval1));
final List<TaskLock> locks3 = toolbox.getTaskActionClient().submit(new LockListAction());
// (Confirm lock sanity)
Assert.assertEquals("locks3", ImmutableList.of(lock2), locks3);
// Push second segment
toolbox.getTaskActionClient()
.submit(
new SegmentInsertAction(
ImmutableSet.of(
DataSegment.builder()
.dataSource("foo")
.interval(interval2)
.version(lock2.getVersion())
.build()
)
)
);
// Release second lock
toolbox.getTaskActionClient().submit(new LockReleaseAction(interval2));
final List<TaskLock> locks4 = toolbox.getTaskActionClient().submit(new LockListAction());
// (Confirm lock sanity)
Assert.assertEquals("locks4", ImmutableList.<TaskLock>of(), locks4);
// Exit
return TaskStatus.success(getId());
}
}