org.kepler.objectmanager.data.db

Class UniqueKey

java.lang.Object

org.kepler.objectmanager.data.db.UniqueKey

All Implemented Interfaces:

Constraint

public class UniqueKey
extends java.lang.Object
implements Constraint

This class represents a unique key constraint in eml.

Author:

Jing Tao

Field Summary

Fields inherited from interface org.kepler.objectmanager.data.db.Constraint

COMMA, CONSTRAINT, FOREIGNKEY, FOREIGNKEYSTRING, JOINCONDITIONCONSTRAINT, LEFTPARENTH, NOTNULLCONSTRAINT, NOTNULLSTRING, PRIMARYKEY, PRIMARYKEYSTRING, REFERENCESTRING, RIGHTPARENTH, SPACESTRING, UNIQUEKEY, UNIQUEKEYSTRING

Constructor Summary

Constructors

Constructor and Description
UniqueKey()

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getKeys() Method to get keys
java.lang.String	getName() Method to get constrain name
int	getType() Method to get constrain type
java.lang.String	printString() Method to transfer a unique key into sql command (table constraint) The string will look like: CONSTRAINT constrain_name Primary Key ( col1, col2, ...)
void	setKeys(java.lang.String[] keyList) Method to set keys in constraint
void	setName(java.lang.String constraintName) Method to set constraint name

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueKey

public UniqueKey()

Method Detail

getType

public int getType()

Method to get constrain type

Specified by:

getType in interface Constraint

Returns:

int

getName

public java.lang.String getName()

Method to get constrain name

Returns:

String

getKeys

public java.lang.String[] getKeys()

Method to get keys

Returns:

String[]

setName

public void setName(java.lang.String constraintName)

Method to set constraint name

Parameters:

constraintName - String

setKeys

public void setKeys(java.lang.String[] keyList)

Method to set keys in constraint

Parameters:

keyList - String[]

printString

public java.lang.String printString()
                             throws UnWellFormedConstraintException

Method to transfer a unique key into sql command (table constraint) The string will look like: CONSTRAINT constrain_name Primary Key ( col1, col2, ...)

Specified by:

printString in interface Constraint

Returns:

String

Throws:

UnWellFormedConstraintException