org.apache.cayenne.reflect
Class EmbeddedFieldAccessor

java.lang.Object
  extended by 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.



Copyright © 2001-2011 Apache Cayenne. All Rights Reserved.