Package org.apache.hadoop.yarn.server.timeline

Class TimelineEntityGroupPlugin

java.lang.Object

org.apache.hadoop.yarn.server.timeline.TimelineEntityGroupPlugin

public abstract class TimelineEntityGroupPlugin
extends Object

Plugin to map a requested query ( or an Entity/set of Entities ) to a CacheID. The Cache ID is an identifier to the data set that needs to be queried to serve the response for the query.

Constructor Summary

Constructors

Constructor	Description
TimelineEntityGroupPlugin()

Method Summary

Modifier and Type	Method	Description
abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId>	getTimelineEntityGroupId(String entityId, String entityType)	Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.
abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId>	getTimelineEntityGroupId(String entityType, SortedSet<String> entityIds, Set<String> eventTypes)	Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.
abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId>	getTimelineEntityGroupId(String entityType, org.apache.hadoop.yarn.server.timeline.NameValuePair primaryFilter, Collection<org.apache.hadoop.yarn.server.timeline.NameValuePair> secondaryFilters)	Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.

Methods inherited from class java.lang.Object

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

Constructor Details

TimelineEntityGroupPlugin

public TimelineEntityGroupPlugin()

Method Details

getTimelineEntityGroupId

public abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId> getTimelineEntityGroupId(String entityType,
 org.apache.hadoop.yarn.server.timeline.NameValuePair primaryFilter,
 Collection<org.apache.hadoop.yarn.server.timeline.NameValuePair> secondaryFilters)

Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.

Parameters:

entityType - Entity Type being queried

primaryFilter - Primary filter being applied

secondaryFilters - Secondary filters being applied in the query

Returns:

TimelineEntityGroupId

getTimelineEntityGroupId

public abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId> getTimelineEntityGroupId(String entityId,
 String entityType)

Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.

Parameters:

entityType - Entity Type being queried

entityId - Entity Id being requested

Returns:

TimelineEntityGroupId

getTimelineEntityGroupId

public abstract Set<org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId> getTimelineEntityGroupId(String entityType,
 SortedSet<String> entityIds,
 Set<String> eventTypes)

Get the TimelineEntityGroupIds for the data sets that need to be scanned to serve the query.

Parameters:

entityType - Entity Type being queried

entityIds - Entity Ids being requested

eventTypes - Event Types being requested

Returns:

TimelineEntityGroupId