org.hibernate.mapping
Class ForeignKey
java.lang.Object
org.hibernate.mapping.Constraint
org.hibernate.mapping.ForeignKey
- All Implemented Interfaces:
- Serializable, RelationalModel
public class ForeignKey
- extends Constraint
A foreign key constraint
- Author:
- Gavin King
- See Also:
- Serialized Form
Methods inherited from class org.hibernate.mapping.Constraint |
addColumn, addColumns, columnIterator, containsColumn, getColumn, getColumnIterator, getColumns, getColumnSpan, getName, getTable, isGenerated, setName, setTable, sqlCreateString |
ForeignKey
public ForeignKey()
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.
- Parameters:
referencedTable
-
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
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