org.apache.cayenne.reflect
Class EmbeddedFieldAccessor

java.lang.Object
  org.apache.cayenne.reflect.EmbeddedFieldAccessor

All Implemented Interfaces:

Serializable, Accessor

public class EmbeddedFieldAccessor
extends Object
implements Accessor

An accessor for fields storing embedded objects. This accessor will initialize null fields with appropriate embeddable objects when needed during get and set calls.

Since:

3.0

See Also:

Serialized Form

Field Summary

protected Accessor	embeddableAccessor
protected EmbeddableDescriptor	embeddableDescriptor
protected Accessor	embeddedAccessor
protected String	propertyPath

Constructor Summary

EmbeddedFieldAccessor(EmbeddableDescriptor embeddableDescriptor, Accessor embeddedAccessor, Accessor embeddableAccessor)

Method Summary

protected Object	getEmbeddable(Object owner) Returns an embeddable object for the owner object, initializing embeddable if it is null.
String	getName() Returns property name.
Object	getValue(Object object) Returns a property value of an object without disturbing the object fault status.
void	setValue(Object object, Object newValue) Sets a property value of an object without disturbing the object fault status.

Methods inherited from class java.lang.Object

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

Field Detail

propertyPath

protected String propertyPath

embeddedAccessor

protected Accessor embeddedAccessor

embeddableAccessor

protected Accessor embeddableAccessor

embeddableDescriptor

protected EmbeddableDescriptor embeddableDescriptor

Constructor Detail

EmbeddedFieldAccessor

public EmbeddedFieldAccessor(EmbeddableDescriptor embeddableDescriptor,
                             Accessor embeddedAccessor,
                             Accessor embeddableAccessor)

Method Detail

getName

public String getName()

Description copied from interface: Accessor

Returns property name.

Specified by:

getName in interface Accessor

getValue

public Object getValue(Object object)
                throws PropertyException

Description copied from interface: Accessor

Returns a property value of an object without disturbing the object fault status.

Specified by:

getValue in interface Accessor

Throws:

PropertyException

setValue

public void setValue(Object object,
                     Object newValue)
              throws PropertyException

Description copied from interface: Accessor

Sets a property value of an object without disturbing the object fault status. Old value of the property is specified as a hint.

Specified by:

setValue in interface Accessor

Throws:

PropertyException

getEmbeddable

protected Object getEmbeddable(Object owner)

Returns an embeddable object for the owner object, initializing embeddable if it is null. Currently supports only one level of embedding.