org.databene.jdbacl.model

Class DBUniqueConstraint

java.lang.Object

org.databene.jdbacl.model.AbstractDBObject

org.databene.jdbacl.model.AbstractDBTableComponent

org.databene.jdbacl.model.DBConstraint

org.databene.jdbacl.model.DBUniqueConstraint

All Implemented Interfaces:

Serializable, org.databene.commons.Named, DBObject, DBTableComponent, MultiColumnObject

Direct Known Subclasses:

DBPrimaryKeyConstraint

public class DBUniqueConstraint
extends DBConstraint
implements MultiColumnObject

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

See Also:

Serialized Form

Field Summary

Fields inherited from class org.databene.jdbacl.model.AbstractDBObject

doc, name, objectType, owner

Constructor Summary

Constructors

Constructor and Description
DBUniqueConstraint(DBTable owner, String name, boolean nameDeterministic, String... columnNames)

Method Summary

Methods

Modifier and Type	Method and Description
void	addColumnName(String columnName)
String[]	getColumnNames() Returns the columns which constitute this constraint
boolean	isIdentical(DBObject other) tells if an object has the same definition as another one.
String	toString()

Methods inherited from class org.databene.jdbacl.model.DBConstraint

equals, getTable, hashCode, isNameDeterministic

Methods inherited from class org.databene.jdbacl.model.AbstractDBTableComponent

setTable

Methods inherited from class org.databene.jdbacl.model.AbstractDBObject

getDoc, getName, getObjectType, getOwner, setDoc, setName, setOwner

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.databene.jdbacl.model.DBObject

getDoc, getObjectType, getOwner, setOwner

Methods inherited from interface org.databene.commons.Named

getName

Constructor Detail

DBUniqueConstraint

public DBUniqueConstraint(DBTable owner,
                  String name,
                  boolean nameDeterministic,
                  String... columnNames)

Parameters:

name - the constraint name - it may be null

columnNames - the names of the columns to which the constraint applies

Method Detail

getColumnNames

public String[] getColumnNames()

Description copied from class: DBConstraint

Returns the columns which constitute this constraint

Specified by:

getColumnNames in interface MultiColumnObject

Specified by:

getColumnNames in class DBConstraint

Returns:

the columns which constitute this constraint

addColumnName

public void addColumnName(String columnName)

isIdentical

public boolean isIdentical(DBObject other)

Description copied from interface: DBObject

tells if an object has the same definition as another one.

Specified by:

isIdentical in interface DBObject

toString

public String toString()

Overrides:

toString in class DBConstraint