org.hibernate.metamodel.relational

Class UniqueKey

java.lang.Object

org.hibernate.metamodel.relational.AbstractConstraint

org.hibernate.metamodel.relational.UniqueKey

All Implemented Interfaces:

Constraint, Exportable

public class UniqueKey
extends AbstractConstraint
implements Constraint

Models a SQL INDEX defined as UNIQUE

Author:

Gavin King, Steve Ebersole

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UniqueKey(Table table, String name)

Method Summary

Methods

Modifier and Type	Method and Description
String	getExportIdentifier() Get a unique identifier to make sure we are not exporting the same database structure multiple times.
boolean	isCreationVetoed(Dialect dialect)
String	sqlConstraintStringInAlterTable(Dialect dialect)
String	sqlConstraintStringInCreateTable(Dialect dialect)

Methods inherited from class org.hibernate.metamodel.relational.AbstractConstraint

addColumn, getColumns, getColumnSpan, getName, getTable, internalAddColumn, internalColumnAccess, sqlCreateStrings, sqlDropStrings

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.metamodel.relational.Constraint

getColumns, getName, getTable

Methods inherited from interface org.hibernate.metamodel.relational.Exportable

sqlCreateStrings, sqlDropStrings

Constructor Detail

UniqueKey

protected UniqueKey(Table table,
         String name)

Method Detail

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.

Specified by:

getExportIdentifier in interface Exportable

Returns:

The exporting identifier.

isCreationVetoed

public boolean isCreationVetoed(Dialect dialect)

Overrides:

isCreationVetoed in class AbstractConstraint

sqlConstraintStringInCreateTable

public String sqlConstraintStringInCreateTable(Dialect dialect)

sqlConstraintStringInAlterTable

public String sqlConstraintStringInAlterTable(Dialect dialect)

Specified by:

sqlConstraintStringInAlterTable in class AbstractConstraint