org.hibernate.mapping

Class UniqueKey

java.lang.Object

org.hibernate.mapping.Constraint

org.hibernate.mapping.UniqueKey

All Implemented Interfaces:

Serializable, Exportable, RelationalModel

public class UniqueKey
extends Constraint

A relational unique key constraint

Author:

Brett Meyer

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UniqueKey()

Method Summary

Modifier and Type	Method and 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.
String	sqlConstraintString(Dialect dialect, String constraintName, String defaultCatalog, String defaultSchema)
String	sqlCreateString(Dialect dialect, Mapping p, String defaultCatalog, String defaultSchema)
String	sqlDropString(Dialect dialect, String defaultCatalog, String defaultSchema)

Methods inherited from class org.hibernate.mapping.Constraint

addColumn, addColumns, columnIterator, containsColumn, generateName, generateName, getColumn, getColumnIterator, 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

public String sqlConstraintString(Dialect dialect,
                                  String constraintName,
                                  String defaultCatalog,
                                  String defaultSchema)

Specified by:

sqlConstraintString in class Constraint

sqlCreateString

public String sqlCreateString(Dialect dialect,
                              Mapping p,
                              String defaultCatalog,
                              String defaultSchema)

Specified by:

sqlCreateString in interface RelationalModel

Overrides:

sqlCreateString in class Constraint

sqlDropString

public String sqlDropString(Dialect dialect,
                            String defaultCatalog,
                            String defaultSchema)

Specified by:

sqlDropString in interface RelationalModel

Overrides:

sqlDropString 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.