org.hibernate.metamodel.relational
Class ForeignKey

java.lang.Object
  org.hibernate.metamodel.relational.AbstractConstraint
      org.hibernate.metamodel.relational.ForeignKey

All Implemented Interfaces:

Constraint, Exportable

public class ForeignKey
extends AbstractConstraint
implements Constraint, Exportable

Models the notion of a foreign key.

Note that this need not mean a physical foreign key; we just mean a relationship between 2 table specifications.

Nested Class Summary

static class

ForeignKey.ReferentialAction

Constructor Summary

protected	ForeignKey(TableSpecification sourceTable, TableSpecification targetTable)
protected	ForeignKey(TableSpecification sourceTable, TableSpecification targetTable, String name)

Method Summary

void	addColumn(Column column)
void	addColumnMapping(Column sourceColumn, Column targetColumn)
ForeignKey.ReferentialAction	getDeleteRule()
String	getExportIdentifier() Get a unique identifier to make sure we are not exporting the same database structure multiple times.
Iterable<Column>	getSourceColumns()
TableSpecification	getSourceTable()
Iterable<Column>	getTargetColumns()
TableSpecification	getTargetTable()
ForeignKey.ReferentialAction	getUpdateRule()
void	setDeleteRule(ForeignKey.ReferentialAction deleteRule)
void	setUpdateRule(ForeignKey.ReferentialAction updateRule)
String	sqlConstraintStringInAlterTable(Dialect dialect)
String[]	sqlDropStrings(Dialect dialect) Gets the SQL strings for dropping the database object.

Methods inherited from class org.hibernate.metamodel.relational.AbstractConstraint

getColumns, getColumnSpan, getName, getTable, internalAddColumn, internalColumnAccess, isCreationVetoed, sqlCreateStrings

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.metamodel.relational.Constraint

getColumns, getName, getTable

Methods inherited from interface org.hibernate.metamodel.relational.Exportable

sqlCreateStrings

Constructor Detail

ForeignKey

protected ForeignKey(TableSpecification sourceTable,
                     TableSpecification targetTable,
                     String name)

ForeignKey

protected ForeignKey(TableSpecification sourceTable,
                     TableSpecification targetTable)

Method Detail

getSourceTable

public TableSpecification getSourceTable()

getTargetTable

public TableSpecification getTargetTable()

getSourceColumns

public Iterable<Column> getSourceColumns()

getTargetColumns

public Iterable<Column> getTargetColumns()

addColumn

public void addColumn(Column column)

Overrides:

addColumn in class AbstractConstraint

addColumnMapping

public void addColumnMapping(Column sourceColumn,
                             Column targetColumn)

getExportIdentifier

public String getExportIdentifier()

Description copied from interface: Exportable

Get a unique identifier to make sure we are not exporting the same database structure multiple times.

Specified by:

getExportIdentifier in interface Exportable

Returns:

The exporting identifier.

getDeleteRule

public ForeignKey.ReferentialAction getDeleteRule()

setDeleteRule

public void setDeleteRule(ForeignKey.ReferentialAction deleteRule)

getUpdateRule

public ForeignKey.ReferentialAction getUpdateRule()

setUpdateRule

public void setUpdateRule(ForeignKey.ReferentialAction updateRule)

sqlDropStrings

public String[] sqlDropStrings(Dialect dialect)

Description copied from interface: Exportable

Gets the SQL strings for dropping the database object.

Specified by:

sqlDropStrings in interface Exportable

Overrides:

sqlDropStrings in class AbstractConstraint

Parameters:

dialect - The dialect for which to generate the SQL drop strings

Returns:

the SQL strings for dropping the database object.

sqlConstraintStringInAlterTable

public String sqlConstraintStringInAlterTable(Dialect dialect)

Specified by:

sqlConstraintStringInAlterTable in class AbstractConstraint