org.databene.platform.db.model
Class DBConstraint

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

Direct Known Subclasses:

DBForeignKeyConstraint, DBNotNullConstraint, DBUniqueConstraint

public abstract class DBConstraint
extends java.lang.Object

Parent class for all database constraints.

Created: 06.01.2007 08:58:49

Author:

Volker Bergmann

Field Summary

protected java.lang.String

name

Constructor Summary

DBConstraint(java.lang.String name)

Method Summary

boolean	equals(java.lang.Object o)
abstract DBColumn[]	getColumns() Returns the columns which constitute this constraint
java.lang.String	getName() Returns the constraint name
abstract DBTable	getOwner() Returns the table which owns this constraint
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

name

protected java.lang.String name

Constructor Detail

DBConstraint

public DBConstraint(java.lang.String name)

Parameters:

name - the constraint name - it may be null

Method Detail

getName

public java.lang.String getName()

Returns the constraint name

Returns:

the constraint name

getOwner

public abstract DBTable getOwner()

Returns the table which owns this constraint

Returns:

the table which owns this constraint

getColumns

public abstract DBColumn[] getColumns()

Returns the columns which constitute this constraint

Returns:

the columns which constitute this constraint

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object