io.druid.indexing.common.task

Class IndexTask

java.lang.Object

io.druid.indexing.common.task.AbstractTask

io.druid.indexing.common.task.AbstractFixedIntervalTask

io.druid.indexing.common.task.IndexTask

All Implemented Interfaces:

Task

public class IndexTask
extends AbstractFixedIntervalTask

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IndexTask.IndexIngestionSpec
static class	IndexTask.IndexIOConfig
static class	IndexTask.IndexTuningConfig

Constructor Summary

Constructors

Constructor and Description
IndexTask(String id, IndexTask.IndexIngestionSpec ingestionSpec, IndexTask.IndexIngestionSpec schema, String dataSource, GranularitySpec granularitySpec, AggregatorFactory[] aggregators, QueryGranularity indexGranularity, int targetPartitionSize, io.druid.data.input.FirehoseFactory firehoseFactory, int rowFlushBoundary, com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Summary

Methods

Modifier and Type	Method and Description
IndexTask.IndexIngestionSpec	getIngestionSpec()
String	getType() Returns a descriptive label for this task type.
TaskStatus	run(TaskToolbox toolbox) Execute a task.

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

getInterval, isReady

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

equals, getClasspathPrefix, getDataSource, getGroupId, getId, getNodeType, getQueryRunner, getTaskLocks, getTaskResource, hashCode, joinId, success, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexTask

public IndexTask(String id,
         IndexTask.IndexIngestionSpec ingestionSpec,
         IndexTask.IndexIngestionSpec schema,
         String dataSource,
         GranularitySpec granularitySpec,
         AggregatorFactory[] aggregators,
         QueryGranularity indexGranularity,
         int targetPartitionSize,
         io.druid.data.input.FirehoseFactory firehoseFactory,
         int rowFlushBoundary,
         com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Detail

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

getIngestionSpec

public IndexTask.IndexIngestionSpec getIngestionSpec()

run

public TaskStatus run(TaskToolbox toolbox)
               throws Exception

Description copied from interface: Task

Execute a task. This typically runs on a worker as determined by a TaskRunner, and will be run while holding a lock on our dataSource and implicit lock interval (if any). If this method throws an exception, the task should be considered a failure.

Parameters:

toolbox - Toolbox for this task

Returns:

Some kind of finished status (isRunnable must be false).

Throws:

Exception - if this task failed