com.redhat.lightblue.assoc.scorers

Class SimpleScorer

java.lang.Object

com.redhat.lightblue.assoc.scorers.SimpleScorer

All Implemented Interfaces:

QueryPlanScorer, Serializable

public class SimpleScorer
extends Object
implements QueryPlanScorer, Serializable

Simple scorer that always returns MAX

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Comparable	MAX

Constructor Summary

Constructors

Constructor and Description
SimpleScorer()

Method Summary

Modifier and Type	Method and Description
QueryPlanData	newDataInstance() Returns a new instance for an implementation of QueryPlanData used by this scorer
void	reset(QueryPlanChooser c) Initialize the scorer instance before the iteration of possible query plans
Comparable	score(QueryPlan qp) Returns a score for the query plan

Methods inherited from class java.lang.Object

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

Field Detail

MAX

public static final Comparable MAX

Constructor Detail

SimpleScorer

public SimpleScorer()

Method Detail

newDataInstance

public QueryPlanData newDataInstance()

Description copied from interface: QueryPlanScorer

Returns a new instance for an implementation of QueryPlanData used by this scorer

Specified by:

newDataInstance in interface QueryPlanScorer

score

public Comparable score(QueryPlan qp)

Description copied from interface: QueryPlanScorer

Returns a score for the query plan

Specified by:

score in interface QueryPlanScorer

reset

public void reset(QueryPlanChooser c)

Description copied from interface: QueryPlanScorer

Initialize the scorer instance before the iteration of possible query plans

Specified by:

reset in interface QueryPlanScorer