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 and Description
ForeignKey(RelationalPath<?> entity, com.google.common.collect.ImmutableList<? extends Path<?>> localColumns, com.google.common.collect.ImmutableList<String> foreignColumns)
ForeignKey(RelationalPath<?> entity, Path<?> localColumn, String foreignColumn)

Method Summary

Modifier and Type	Method and Description
RelationalPath<?>	getEntity()
List<String>	getForeignColumns()
List<? extends Path<?>>	getLocalColumns()
Expression<Tuple>	getProjection() Return the custom projection
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 Detail

ForeignKey

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

ForeignKey

public ForeignKey(RelationalPath<?> entity,
                  com.google.common.collect.ImmutableList<? extends Path<?>> localColumns,
                  com.google.common.collect.ImmutableList<String> foreignColumns)

Method Detail

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()

Description copied from interface: ProjectionRole

Return the custom projection

Specified by:

getProjection in interface ProjectionRole<Tuple>

Returns:

custom projection