Package com.apple.foundationdb.record.query.plan.temp

Class MetaDataPlanContext

java.lang.Object

com.apple.foundationdb.record.query.plan.temp.MetaDataPlanContext

All Implemented Interfaces:

PlanContext

@API(EXPERIMENTAL)
public class MetaDataPlanContext
extends Object
implements PlanContext

A PlanContext where the underlying meta-data comes from RecordMetaData and RecordStoreState objects, as is generally the case when planning actual queries.

Constructor Summary

Constructors

Constructor	Description
MetaDataPlanContext(RecordMetaData metaData, RecordStoreState recordStoreState, RecordQuery query)

Method Summary

Modifier and Type	Method	Description
KeyExpression	getCommonPrimaryKey()
int	getGreatestPrimaryKeyWidth()
Index	getIndexByName(String name)
Set<Index>	getIndexes()
Set<MatchCandidate>	getMatchCandidates()
RecordMetaData	getMetaData()
Set<String>	getRecordTypes()

Methods inherited from class java.lang.Object

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

Constructor Detail

MetaDataPlanContext

public MetaDataPlanContext(@Nonnull
                           RecordMetaData metaData,
                           @Nonnull
                           RecordStoreState recordStoreState,
                           @Nonnull
                           RecordQuery query)

Method Detail

getGreatestPrimaryKeyWidth

public int getGreatestPrimaryKeyWidth()

Specified by:

getGreatestPrimaryKeyWidth in interface PlanContext

getRecordTypes

@Nonnull
public Set<String> getRecordTypes()

Specified by:

getRecordTypes in interface PlanContext

getIndexes

@Nonnull
public Set<Index> getIndexes()

Specified by:

getIndexes in interface PlanContext

getIndexByName

@Nonnull
public Index getIndexByName(@Nonnull
                            String name)

Specified by:

getIndexByName in interface PlanContext

getCommonPrimaryKey

@Nullable
public KeyExpression getCommonPrimaryKey()

Specified by:

getCommonPrimaryKey in interface PlanContext

getMetaData

@Nonnull
public RecordMetaData getMetaData()

Specified by:

getMetaData in interface PlanContext

getMatchCandidates

@Nonnull
public Set<MatchCandidate> getMatchCandidates()

Specified by:

getMatchCandidates in interface PlanContext