ForeignKey (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.mapping
Class ForeignKey

java.lang.Object
  org.hibernate.mapping.Constraint
      org.hibernate.mapping.ForeignKey

All Implemented Interfaces:: RelationalModel, Serializable

public class ForeignKey
extends Constraint

A foreign key constraint

Author:: Gavin King
See Also:: Serialized Form

Constructor Summary

ForeignKey()


Method Summary

void addReferencedColumns(Iterator referencedColumnsIterator)


void alignColumns()
          Validates that columnspan of the foreignkey and the primarykey is the same.

List getReferencedColumns()
          Returns the referenced columns if the foreignkey does not refer to the primary key

String getReferencedEntityName()


Table getReferencedTable()


boolean isCascadeDeleteEnabled()


boolean isPhysicalConstraint()


boolean isReferenceToPrimaryKey()
          Does this foreignkey reference the primary key of the reference table

void setCascadeDeleteEnabled(boolean cascadeDeleteEnabled)


void setReferencedEntityName(String referencedEntityName)


void setReferencedTable(Table referencedTable)


String sqlConstraintString(Dialect dialect, String constraintName, String defaultCatalog, String defaultSchema)


String sqlDropString(Dialect dialect, String defaultCatalog, String defaultSchema)


String toString()


Methods inherited from class org.hibernate.mapping.Constraint

addColumn, addColumns, columnIterator, containsColumn, getColumn, getColumnIterator, getColumns, getColumnSpan, getName, getTable, isGenerated, setName, setTable, sqlCreateString

Methods inherited from class java.lang.Object

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

Constructor Detail

ForeignKey

public ForeignKey()

Method Detail

sqlConstraintString

public String sqlConstraintString(Dialect dialect,
                                  String constraintName,
                                  String defaultCatalog,
                                  String defaultSchema)

Specified by:: sqlConstraintString in class Constraint

getReferencedTable

public Table getReferencedTable()

setReferencedTable

public void setReferencedTable(Table referencedTable)
                        throws MappingException

Throws:: MappingException

alignColumns

public void alignColumns()

Validates that columnspan of the foreignkey and the primarykey is the same. Furthermore it aligns the length of the underlying tables columns.

getReferencedEntityName

public String getReferencedEntityName()

setReferencedEntityName

public void setReferencedEntityName(String referencedEntityName)

sqlDropString

public String sqlDropString(Dialect dialect,
                            String defaultCatalog,
                            String defaultSchema)

Specified by:: sqlDropString in interface RelationalModel
Overrides:: sqlDropString in class Constraint

isCascadeDeleteEnabled

public boolean isCascadeDeleteEnabled()

setCascadeDeleteEnabled

public void setCascadeDeleteEnabled(boolean cascadeDeleteEnabled)

isPhysicalConstraint

public boolean isPhysicalConstraint()

getReferencedColumns

public List getReferencedColumns()

Returns the referenced columns if the foreignkey does not refer to the primary key

isReferenceToPrimaryKey

public boolean isReferenceToPrimaryKey()

Does this foreignkey reference the primary key of the reference table

addReferencedColumns

public void addReferencedColumns(Iterator referencedColumnsIterator)

toString

public String toString()

Overrides:: toString in class Constraint