org.databene.platform.db.model
Class DBUniqueConstraint

java.lang.Object
  org.databene.platform.db.model.DBConstraint
      org.databene.platform.db.model.DBUniqueConstraint

Direct Known Subclasses:

DBPrimaryKeyConstraint

public class DBUniqueConstraint
extends DBConstraint

Represents a unique constraint on one or the combination of several columns of one table.

Created: 06.01.2007 09:00:37

Author:

Volker Bergmann

Field Summary

Fields inherited from class org.databene.platform.db.model.DBConstraint

name

Constructor Summary

DBUniqueConstraint(java.lang.String name, DBColumn... columns)

Method Summary

void	addColumn(DBColumn column)
DBColumn[]	getColumns() Returns the columns which constitute this constraint
DBTable	getOwner() Returns the table which owns this constraint
void	removeColumn(DBColumn column)

Methods inherited from class org.databene.platform.db.model.DBConstraint

equals, getName, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DBUniqueConstraint

public DBUniqueConstraint(java.lang.String name,
                          DBColumn... columns)

Parameters:

name - the constraint name - it may be null

columns - the DBColumns to which the constraint is applied

Method Detail

getOwner

public DBTable getOwner()

Description copied from class: DBConstraint

Returns the table which owns this constraint

Specified by:

getOwner in class DBConstraint

Returns:

the table which owns this constraint

getColumns

public DBColumn[] getColumns()

Description copied from class: DBConstraint

Returns the columns which constitute this constraint

Specified by:

getColumns in class DBConstraint

Returns:

the columns which constitute this constraint

addColumn

public void addColumn(DBColumn column)

removeColumn

public void removeColumn(DBColumn column)