Package org.apache.druid.server.coordinator.rules

Class LoadRule

java.lang.Object

org.apache.druid.server.coordinator.rules.LoadRule

All Implemented Interfaces:

Rule

Direct Known Subclasses:

ForeverLoadRule, IntervalLoadRule, PeriodLoadRule

public abstract class LoadRule
extends Object
implements Rule

LoadRules indicate the number of replicants a segment should have in a given tier.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LoadRule(Map<String,Integer> tieredReplicants, Boolean useDefaultTierForNull)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	getNumReplicants(String tier)
Map<String,Integer>	getTieredReplicants()
int	hashCode()
void	run(org.apache.druid.timeline.DataSegment segment, SegmentActionHandler handler)
boolean	shouldMatchingSegmentBeLoaded()
boolean	useDefaultTierForNull()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.server.coordinator.rules.Rule

appliesTo, appliesTo, getType

Constructor Detail

LoadRule

protected LoadRule(Map<String,Integer> tieredReplicants,
                   Boolean useDefaultTierForNull)

Method Detail

getTieredReplicants

public Map<String,Integer> getTieredReplicants()

useDefaultTierForNull

public boolean useDefaultTierForNull()

run

public void run(org.apache.druid.timeline.DataSegment segment,
                SegmentActionHandler handler)

Specified by:

run in interface Rule

shouldMatchingSegmentBeLoaded

public boolean shouldMatchingSegmentBeLoaded()

Returns:

Whether a segment that matches this rule needs to be loaded on a tier. Used in making handoff decisions.

getNumReplicants

public int getNumReplicants(String tier)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object