Package com.querydsl.sql

Class ForeignKey<E>

java.lang.Object

com.querydsl.sql.ForeignKey<E>

Type Parameters:

E -

All Implemented Interfaces:

ProjectionRole<Tuple>, Serializable

@Immutable
public final class ForeignKey<E>
extends Object
implements Serializable, ProjectionRole<Tuple>

ForeignKey defines a foreign key on a table to another table

Author:

tiwe

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ForeignKey(RelationalPath<?> entity, Path<?> localColumn, String foreignColumn)
ForeignKey(RelationalPath<?> entity, List<? extends Path<?>> localColumns, List<String> foreignColumns)

Method Summary

Modifier and Type	Method	Description
RelationalPath<?>	getEntity()
List<String>	getForeignColumns()
List<? extends Path<?>>	getLocalColumns()
Expression<Tuple>	getProjection()
BooleanExpression	in(SubQueryExpression<Tuple> coll)
Predicate	on(RelationalPath<E> entity)

Methods inherited from class java.lang.Object

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

Constructor Details

ForeignKey

public ForeignKey(RelationalPath<?> entity,
 Path<?> localColumn,
 String foreignColumn)

ForeignKey

public ForeignKey(RelationalPath<?> entity,
 List<? extends Path<?>> localColumns,
 List<String> foreignColumns)

Method Details

getEntity

public RelationalPath<?> getEntity()

getLocalColumns

public List<? extends Path<?>> getLocalColumns()

getForeignColumns

public List<String> getForeignColumns()

on

public Predicate on(RelationalPath<E> entity)

in

public BooleanExpression in(SubQueryExpression<Tuple> coll)

getProjection

public Expression<Tuple> getProjection()

Specified by:

getProjection in interface ProjectionRole<E>