ru.curs.celesta.score

Class ForeignKey

java.lang.Object

ru.curs.celesta.score.ForeignKey

public final class ForeignKey
extends Object

Foreign key class.

Constructor Summary

Constructors

Constructor and Description
ForeignKey(BasicTable parentTable, BasicTable referencedTable, String[] columnNames)

Method Summary

Modifier and Type	Method and Description
void	delete() Deletes the foreign key.
boolean	equals(Object obj)
Map<String,Column<?>>	getColumns() Unmodified list of columns for the foreign key.
String	getConstraintName() Returns the name of FK constraint (or generates it if it's not provided).
FKRule	getDeleteRule() Returns rule for deletion.
BasicTable	getParentTable() Table that the foreign key is part of.
BasicTable	getReferencedTable() Table that is being referenced by the foreign key.
FKRule	getUpdateRule() Returns rule for update.
int	hashCode()
void	setConstraintName(String constraintName) Sets name for FK constraint.
void	setDeleteRule(FKRule deleteBehaviour) Sets rule for deletion.
void	setUpdateRule(FKRule updateBehaviour) Sets rule for update.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ForeignKey

public ForeignKey(BasicTable parentTable,
                  BasicTable referencedTable,
                  String[] columnNames)
           throws ParseException

Throws:

ParseException

Method Detail

setDeleteRule

public void setDeleteRule(FKRule deleteBehaviour)
                   throws ParseException

Sets rule for deletion.

Parameters:

deleteBehaviour - rule for deletion.

Throws:

ParseException - When trying to modify the system grain.

setUpdateRule

public void setUpdateRule(FKRule updateBehaviour)
                   throws ParseException

Sets rule for update.

Parameters:

updateBehaviour - rule for update.

Throws:

ParseException - When trying to modify the system grain.

getColumns

public Map<String,Column<?>> getColumns()

Unmodified list of columns for the foreign key.

Returns:

getParentTable

public BasicTable getParentTable()

Table that the foreign key is part of.

Returns:

getReferencedTable

public BasicTable getReferencedTable()

Table that is being referenced by the foreign key.

Returns:

getDeleteRule

public FKRule getDeleteRule()

Returns rule for deletion.

Returns:

getUpdateRule

public FKRule getUpdateRule()

Returns rule for update.

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getConstraintName

public String getConstraintName()

Returns the name of FK constraint (or generates it if it's not provided).

Returns:

setConstraintName

public void setConstraintName(String constraintName)
                       throws ParseException

Sets name for FK constraint.

Parameters:

constraintName - new name of constraint

Throws:

ParseException - incorrect name of constraint

delete

public void delete()
            throws ParseException

Deletes the foreign key.

Throws:

ParseException - When trying to modify the system grain.