com.redhat.lightblue.assoc.scorers

Class IndexedFieldScorerData

java.lang.Object

com.redhat.lightblue.assoc.QueryPlanData

com.redhat.lightblue.assoc.scorers.IndexedFieldScorerData

All Implemented Interfaces:

Serializable

public class IndexedFieldScorerData
extends QueryPlanData

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IndexedFieldScorerData()

Method Summary

Methods

Modifier and Type	Method and Description
void	copyFrom(QueryPlanData source) Copies contents of source into this.
BigInteger	estimatedCost()
BigInteger	estimatedResultSize()
BigInteger	estimatedRootDescendantCost(BigInteger resultSetSize) If there is a query after root, then we have to manually filter records, which is costly
Set<Path>	getIndexableFields() Set of fields that are collected from the queries associated to this node that can be used for indexed access.
Map<Index,Set<Path>>	getIndexMap() Index info that shows which collections of fields can be searched by which index
boolean	hasQueries()
boolean	hasUsefulIndexes()
boolean	isRootNode() True if this is the root node
QueryPlanData	newInstance() Creates a new instance.
void	setIndexableFields(Set<Path> f) Set of fields that are collected from the queries associated to this node that can be used for indexed access.
void	setIndexMap(Map<Index,Set<Path>> map) Index info that shows which collections of fields can be searched by which index
void	setRootNode(boolean v) True if this is the root node
String	toString()

Methods inherited from class com.redhat.lightblue.assoc.QueryPlanData

getConjuncts, setConjuncts

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexedFieldScorerData

public IndexedFieldScorerData()

Method Detail

estimatedCost

public BigInteger estimatedCost()

estimatedRootDescendantCost

public BigInteger estimatedRootDescendantCost(BigInteger resultSetSize)

If there is a query after root, then we have to manually filter records, which is costly

estimatedResultSize

public BigInteger estimatedResultSize()

isRootNode

public boolean isRootNode()

True if this is the root node

setRootNode

public void setRootNode(boolean v)

True if this is the root node

hasUsefulIndexes

public boolean hasUsefulIndexes()

hasQueries

public boolean hasQueries()

getIndexableFields

public Set<Path> getIndexableFields()

Set of fields that are collected from the queries associated to this node that can be used for indexed access. These are the entity relative names of the paths

setIndexableFields

public void setIndexableFields(Set<Path> f)

Set of fields that are collected from the queries associated to this node that can be used for indexed access. These are the entity relative names of the paths

getIndexMap

public Map<Index,Set<Path>> getIndexMap()

Index info that shows which collections of fields can be searched by which index

setIndexMap

public void setIndexMap(Map<Index,Set<Path>> map)

Index info that shows which collections of fields can be searched by which index

newInstance

public QueryPlanData newInstance()

Description copied from class: QueryPlanData

Creates a new instance. Subclasses should override this

Overrides:

newInstance in class QueryPlanData

copyFrom

public void copyFrom(QueryPlanData source)

Description copied from class: QueryPlanData

Copies contents of source into this. Subclasses should override this

Overrides:

copyFrom in class QueryPlanData

toString

public String toString()

Overrides:

toString in class QueryPlanData