io.druid.indexing.common.task

Class AppendTask

java.lang.Object

io.druid.indexing.common.task.AbstractTask

io.druid.indexing.common.task.AbstractFixedIntervalTask

io.druid.indexing.common.task.MergeTaskBase

io.druid.indexing.common.task.AppendTask

All Implemented Interfaces:

Task

public class AppendTask
extends MergeTaskBase

Constructor Summary

Constructors

Constructor and Description
AppendTask(String id, String dataSource, List<DataSegment> segments, List<AggregatorFactory> aggregators, IndexSpec indexSpec, Boolean buildV9Directly, SegmentWriteOutMediumFactory segmentWriteOutMediumFactory, Map<String,Object> context)

Method Summary

Modifier and Type	Method and Description
List<AggregatorFactory>	getAggregators()
String	getType() Returns a descriptive label for this task type.
File	merge(TaskToolbox toolbox, Map<DataSegment,File> segments, File outDir)

Methods inherited from class io.druid.indexing.common.task.MergeTaskBase

getPriority, getSegments, getSegmentWriteOutMediumFactory, isReady, run, toString, verifyInputSegments

Methods inherited from class io.druid.indexing.common.task.AbstractFixedIntervalTask

getInterval

Methods inherited from class io.druid.indexing.common.task.AbstractTask

canRestore, equals, getClasspathPrefix, getContext, getDataSource, getGroupId, getId, getNodeType, getQueryRunner, getTaskResource, hashCode, stopGracefully, success

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.druid.indexing.common.task.Task

getContextValue, getContextValue

Constructor Detail

AppendTask

public AppendTask(String id,
                  String dataSource,
                  List<DataSegment> segments,
                  List<AggregatorFactory> aggregators,
                  IndexSpec indexSpec,
                  Boolean buildV9Directly,
                  @Nullable
                  SegmentWriteOutMediumFactory segmentWriteOutMediumFactory,
                  Map<String,Object> context)

Method Detail

merge

public File merge(TaskToolbox toolbox,
                  Map<DataSegment,File> segments,
                  File outDir)
           throws Exception

Specified by:

merge in class MergeTaskBase

Throws:

Exception

getType

public String getType()

Description copied from interface: Task

Returns a descriptive label for this task type. Used for metrics emission and logging.

Returns:

task type label

getAggregators

public List<AggregatorFactory> getAggregators()