org.apache.druid.server.coordinator.duty

Class NewestSegmentFirstPolicy

java.lang.Object

org.apache.druid.server.coordinator.duty.NewestSegmentFirstPolicy

All Implemented Interfaces:

CompactionSegmentSearchPolicy

public class NewestSegmentFirstPolicy
extends Object
implements CompactionSegmentSearchPolicy

This policy searches segments for compaction from the newest one to oldest one.

Constructor Summary

Constructors

Constructor and Description
NewestSegmentFirstPolicy(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Summary

Modifier and Type	Method and Description
CompactionSegmentIterator	reset(Map<String,DataSourceCompactionConfig> compactionConfigs, Map<String,VersionedIntervalTimeline<String,DataSegment>> dataSources, Map<String,List<org.joda.time.Interval>> skipIntervals) Reset the current states of this policy.

Methods inherited from class java.lang.Object

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

Constructor Detail

NewestSegmentFirstPolicy

public NewestSegmentFirstPolicy(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Detail

reset

public CompactionSegmentIterator reset(Map<String,DataSourceCompactionConfig> compactionConfigs,
                                       Map<String,VersionedIntervalTimeline<String,DataSegment>> dataSources,
                                       Map<String,List<org.joda.time.Interval>> skipIntervals)

Description copied from interface: CompactionSegmentSearchPolicy

Reset the current states of this policy. This method should be called whenever iterating starts.

Specified by:

reset in interface CompactionSegmentSearchPolicy