Package org.apache.hadoop.yarn.server.timelineservice.documentstore

Class DocumentStoreTimelineReaderImpl

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.timelineservice.documentstore.DocumentStoreTimelineReaderImpl

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

public class DocumentStoreTimelineReaderImpl
extends org.apache.hadoop.service.AbstractService
implements org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

This is a generic document store timeline reader for reading the timeline entity information. Based on the DocumentStoreVendor that is configured, the documents are read from that backend.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Nested classes/interfaces inherited from interface org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader.Field

Constructor Summary

Constructors

Constructor	Description
DocumentStoreTimelineReaderImpl()

Method Summary

Modifier and Type	Method	Description
java.util.Set<org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity>	getEntities(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineEntityFilters filters, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineDataToRetrieve dataToRetrieve)
org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity	getEntity(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineDataToRetrieve dataToRetrieve)
java.util.Set<java.lang.String>	getEntityTypes(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context)
org.apache.hadoop.yarn.api.records.timeline.TimelineHealth	getHealthStatus()
void	serviceInit(org.apache.hadoop.conf.Configuration conf)
void	serviceStop()

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.service.Service

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, registerServiceListener, start, stop, unregisterServiceListener, waitForServiceToStop

Constructor Detail

DocumentStoreTimelineReaderImpl

public DocumentStoreTimelineReaderImpl()

Method Detail

serviceInit

public void serviceInit(org.apache.hadoop.conf.Configuration conf)
                 throws java.lang.Exception

Overrides:

serviceInit in class org.apache.hadoop.service.AbstractService

Throws:

java.lang.Exception

serviceStop

public void serviceStop()
                 throws java.lang.Exception

Overrides:

serviceStop in class org.apache.hadoop.service.AbstractService

Throws:

java.lang.Exception

getEntity

public org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity getEntity(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context,
                                                                                   org.apache.hadoop.yarn.server.timelineservice.reader.TimelineDataToRetrieve dataToRetrieve)
                                                                            throws java.io.IOException

Specified by:

getEntity in interface org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

Throws:

java.io.IOException

getEntities

public java.util.Set<org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity> getEntities(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context,
                                                                                                    org.apache.hadoop.yarn.server.timelineservice.reader.TimelineEntityFilters filters,
                                                                                                    org.apache.hadoop.yarn.server.timelineservice.reader.TimelineDataToRetrieve dataToRetrieve)
                                                                                             throws java.io.IOException

Specified by:

getEntities in interface org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

Throws:

java.io.IOException

getEntityTypes

public java.util.Set<java.lang.String> getEntityTypes(org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context)

Specified by:

getEntityTypes in interface org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader

getHealthStatus

public org.apache.hadoop.yarn.api.records.timeline.TimelineHealth getHealthStatus()

Specified by:

getHealthStatus in interface org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader