Package org.apache.druid.server.compaction

Class PriorityBasedCompactionSegmentIterator

java.lang.Object

org.apache.druid.server.compaction.PriorityBasedCompactionSegmentIterator

All Implemented Interfaces:

Iterator<CompactionCandidate>, CompactionSegmentIterator

public class PriorityBasedCompactionSegmentIterator
extends Object
implements CompactionSegmentIterator

Implementation of CompactionSegmentIterator that returns candidate segments in order of their priority.

Constructor Summary

Constructors

Constructor	Description
PriorityBasedCompactionSegmentIterator(CompactionCandidateSearchPolicy searchPolicy, Map<String,DataSourceCompactionConfig> compactionConfigs, Map<String,SegmentTimeline> datasourceToTimeline, Map<String,List<org.joda.time.Interval>> skipIntervals, CompactionStatusTracker statusTracker)

Method Summary

Modifier and Type	Method	Description
List<CompactionCandidate>	getCompactedSegments()	List of candidate segments that are already compacted and do not need to be compacted again.
List<CompactionCandidate>	getSkippedSegments()	List of candidate segments that have been skipped for compaction as they cannot be compacted due to some reason.
boolean	hasNext()
CompactionCandidate	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

PriorityBasedCompactionSegmentIterator

public PriorityBasedCompactionSegmentIterator(CompactionCandidateSearchPolicy searchPolicy,
 Map<String,DataSourceCompactionConfig> compactionConfigs,
 Map<String,SegmentTimeline> datasourceToTimeline,
 Map<String,List<org.joda.time.Interval>> skipIntervals,
 CompactionStatusTracker statusTracker)

Method Details

getCompactedSegments

public List<CompactionCandidate> getCompactedSegments()

Description copied from interface: CompactionSegmentIterator

List of candidate segments that are already compacted and do not need to be compacted again. None of these segments are returned by Iterator.next().

Specified by:

getCompactedSegments in interface CompactionSegmentIterator

getSkippedSegments

public List<CompactionCandidate> getSkippedSegments()

Description copied from interface: CompactionSegmentIterator

List of candidate segments that have been skipped for compaction as they cannot be compacted due to some reason. None of these segments are returned by Iterator.next().

Specified by:

getSkippedSegments in interface CompactionSegmentIterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<CompactionCandidate>

next

public CompactionCandidate next()

Specified by:

next in interface Iterator<CompactionCandidate>