Class JDOOneToOneNature

java.lang.Object

org.castor.core.nature.BaseNature

org.exolab.castor.builder.info.nature.relation.JDOOneToOneNature

public final class JDOOneToOneNature
extends BaseNature

A JDOOneToOneNature defines a one-to-one relation between two FieldInfos.

Author:

Lukas Lang, Filip Hianik

Constructor Summary

Constructors

Constructor	Description
JDOOneToOneNature(FieldInfo field)	Constructor taking a FieldInfo.

Method Summary

Modifier and Type	Method	Description
void	addForeignKey(String column)	Adds a column to the foreign key.
List<String>	getForeignKeys()	Returns a List of s holding the columns of the foreign key.
String	getId()	Returns the Nature Id.
boolean	isDirty()	Returns true if field will NOT be checked against the database for modification, otherwise false.
boolean	isReadOnly()	Returns true if no update on the column can be performed, false otherwise.
void	setDirty(boolean dirty)	If set true, field will NOT be checked against the database for modification, otherwise set false.
void	setReadOnly(boolean readOnly)	Sets the column read only.

Methods inherited from class BaseNature

getBooleanPropertyDefaultFalse, getHolder, getProperty, getPropertyAsList, getPropertyAsMap, setProperty

Modifier and Type	Method	Description
protected final boolean	getBooleanPropertyDefaultFalse(String propertyName)	Returns boolean value of the property or false if property value is null.
protected final PropertyHolder	getHolder()	Returns the PropertyHolder.
protected final Object	getProperty(String key)	Returns the property mapped to the key or null if not set before.
protected List	getPropertyAsList(String property)	Returns value of the property as a List.
protected Map	getPropertyAsMap(String property)	Returns value of the property as a List.
protected final void	setProperty(String key, Object property)	Sets the property for a given.

Methods inherited from class Object

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

Constructor Details

JDOOneToOneNature

public JDOOneToOneNature(FieldInfo field)

Constructor taking a FieldInfo.

Parameters:

field - The field.

Method Details

getId

public String getId()

Returns the Nature Id.

Returns:

The fully qualified Class name.

See Also:

• Nature.getId()

isReadOnly

public boolean isReadOnly()

Returns true if no update on the column can be performed, false otherwise. Default value is false.

Returns:

true if readonly, false if not or not set.

setReadOnly

public void setReadOnly(boolean readOnly)

Sets the column read only.

Parameters:

readOnly - true if read only.

isDirty

public boolean isDirty()

Returns true if field will NOT be checked against the database for modification, otherwise false. Default value is false.

Returns:

true if field is not updated, false if not or not set.

setDirty

public void setDirty(boolean dirty)

If set true, field will NOT be checked against the database for modification, otherwise set false.

Parameters:

dirty - true if field should not be updated.

getForeignKeys

public List<String> getForeignKeys()

Returns a List of s holding the columns of the foreign key. Keep in mind that by contract of addPrimaryKey(String foreignKey) the order is not guaranteed.

Returns:

the names of the foreign key's columns or null if no keys added before.

addForeignKey

public void addForeignKey(String column)

Adds a column to the foreign key. By contract, the order of the key columns is not guaranteed and depends on the returned List implementation the BaseNature is using.

Parameters:

column - The column name.