org.jboss.dna.graph.query.plan
Class PlanUtil.ColumnMapping

java.lang.Object
  org.jboss.dna.graph.query.plan.PlanUtil.ColumnMapping

Enclosing class:

PlanUtil

public static class PlanUtil.ColumnMapping
extends Object

Defines how the view columns are mapped (or resolved) into the columns from the source tables.

Constructor Summary

PlanUtil.ColumnMapping(SelectorName originalName)

Method Summary

Column	getMappedColumn(String viewColumnName)
Set<SelectorName>	getMappedSelectorNames()
SelectorName	getOriginalName()
SelectorName	getSingleMappedSelectorName()
boolean	isMappedToSingleSelector()
void	map(String originalColumnName, Column projectedColumn)

Methods inherited from class java.lang.Object

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

Constructor Detail

PlanUtil.ColumnMapping

public PlanUtil.ColumnMapping(SelectorName originalName)

Method Detail

map

public void map(String originalColumnName,
                Column projectedColumn)

getOriginalName

public SelectorName getOriginalName()

getMappedColumn

public Column getMappedColumn(String viewColumnName)

isMappedToSingleSelector

public boolean isMappedToSingleSelector()

getMappedSelectorNames

public Set<SelectorName> getMappedSelectorNames()

Returns:

tableNames

getSingleMappedSelectorName

public SelectorName getSingleMappedSelectorName()