org.kepler.objectmanager.data.db

Class JoinConditionConstraint

java.lang.Object

org.kepler.objectmanager.data.db.JoinConditionConstraint

All Implemented Interfaces:

Constraint

public class JoinConditionConstraint
extends java.lang.Object
implements Constraint

This class represents a join condtion (join two tables without primary/foreign key) in table level

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
JoinConditionConstraint() Default constructor

Method Summary

Modifier and Type	Method and Description
java.lang.String	getEntityReference() Method to get referenced entity(parent table)
java.lang.String[]	getKeys() Method to get keys
java.lang.String	getName() Method to get constraint name
java.lang.String[]	getReferencedKeys() Method to get referenced key in parent table
int	getType() Method to get type
java.lang.String	printString() Method to print out a part sql command about joincondition.
void	setEntityReference(java.lang.String referencedEntity) Method to set referenced entity name
void	setKeys(java.lang.String[] constraintKeys) Method to set keys
void	setName(java.lang.String constraintName) Method to set constraint name
void	setReferencedKeys(java.lang.String[] keyList) Method to set up referenced key in parent table(referencedEntity)

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinConditionConstraint

public JoinConditionConstraint()

Default constructor

Method Detail

getType

public int getType()

Method to get type

Specified by:

getType in interface Constraint

Returns:

int

getName

public java.lang.String getName()

Method to get constraint name

Returns:

String

getKeys

public java.lang.String[] getKeys()

Method to get keys

Returns:

String[]

getEntityReference

public java.lang.String getEntityReference()

Method to get referenced entity(parent table)

Returns:

String

getReferencedKeys

public java.lang.String[] getReferencedKeys()

Method to get referenced key in parent table

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[] constraintKeys)

Method to set keys

Parameters:

constraintKeys - String[]

setEntityReference

public void setEntityReference(java.lang.String referencedEntity)

Method to set referenced entity name

Parameters:

referencedEntity - String

setReferencedKeys

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

Method to set up referenced key in parent table(referencedEntity)

Parameters:

keyList - String[]

printString

public java.lang.String printString()
                             throws UnWellFormedConstraintException

Method to print out a part sql command about joincondition. In joinCondition, we need to specify the referenced entity's column name. It is same as foreign key except to specify referenced key name in parent table

Specified by:

printString in interface Constraint

Returns:

String

Throws:

UnWellFormedConstraintException