org.apache.lens.server.api.query.priority

Class CostRangePriorityDecider

java.lang.Object

org.apache.lens.server.api.query.priority.CostRangePriorityDecider

All Implemented Interfaces:

QueryPriorityDecider

public class CostRangePriorityDecider
extends Object
implements QueryPriorityDecider

Constructor Summary

Constructors

Constructor and Description
CostRangePriorityDecider(CostToPriorityRangeConf costToPriorityRangeMap)

Method Summary

Modifier and Type	Method and Description
Priority	decidePriority(QueryCost cost)

Methods inherited from class java.lang.Object

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

Constructor Detail

CostRangePriorityDecider

@ConstructorProperties(value="costToPriorityRangeMap")
 @Generated(value="lombok")
public CostRangePriorityDecider(@NonNull
                                                                                                                   CostToPriorityRangeConf costToPriorityRangeMap)

Method Detail

decidePriority

public Priority decidePriority(@NonNull
                               QueryCost cost)
                        throws LensException

Specified by:

decidePriority in interface QueryPriorityDecider

Returns:

calculated Priority based on the pre calculated query cost

Throws:

LensException - when can't decide priority.