Package org.hibernate.mapping

Class UniqueKey

java.lang.Object

org.hibernate.mapping.Constraint

org.hibernate.mapping.UniqueKey

All Implemented Interfaces:

Serializable, Exportable

public class UniqueKey
extends Constraint

A mapping model object representing a unique key constraint on a relational database table.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
UniqueKey()

Method Summary

Modifier and Type	Method	Description
void	addColumn(Column column, String order)
String	generatedConstraintNamePrefix()
Map<Column,String>	getColumnOrderMap()
String	getExportIdentifier()	Get a unique identifier to make sure we are not exporting the same database structure multiple times.
boolean	hasNullableColumn()
boolean	isExplicit()
boolean	isNameExplicit()
void	setExplicit(boolean explicit)
void	setNameExplicit(boolean nameExplicit)
String	sqlConstraintString(SqlStringGenerationContext context, String constraintName, String defaultCatalog, String defaultSchema)	Deprecated, for removal: This API element is subject to removal in a future version.

Methods inherited from class org.hibernate.mapping.Constraint

addColumn, addColumns, containsColumn, generateName, generateName, getColumn, getColumns, getColumnSpan, getName, getTable, hashedName, isGenerated, setName, setTable, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueKey

public UniqueKey()

Method Detail

sqlConstraintString

@Deprecated(since="6.2",
            forRemoval=true)
public String sqlConstraintString(SqlStringGenerationContext context,
                                  String constraintName,
                                  String defaultCatalog,
                                  String defaultSchema)

Deprecated, for removal: This API element is subject to removal in a future version.

Specified by:

sqlConstraintString in class Constraint

addColumn

public void addColumn(Column column,
                      String order)

getColumnOrderMap

public Map<Column,String> getColumnOrderMap()

generatedConstraintNamePrefix

public String generatedConstraintNamePrefix()

Specified by:

generatedConstraintNamePrefix in class Constraint

Returns:

String The prefix to use in generated constraint names. Examples: "UK_", "FK_", and "PK_".

getExportIdentifier

public String getExportIdentifier()

Description copied from interface: Exportable

Get a unique identifier to make sure we are not exporting the same database structure multiple times.

Returns:

The exporting identifier.

isNameExplicit

public boolean isNameExplicit()

setNameExplicit

public void setNameExplicit(boolean nameExplicit)

isExplicit

public boolean isExplicit()

setExplicit

public void setExplicit(boolean explicit)

hasNullableColumn

public boolean hasNullableColumn()