Package org.apache.cayenne.reflect

# Class FieldAccessor

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

All Implemented Interfaces:
  `Serializable`, `Accessor`

public class FieldAccessor extends Object implements Accessor
A PropertyAccessor that performs direct Field access.

Since:
  1.2
See Also:
  - Serialized Form

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `protected Field`
  `field`
  `protected Object`
  `nullValue`
  `protected String`
  `propertyName`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `FieldAccessor(Class<?> objectClass, String propertyName, Class<?> propertyType)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `String`
  `getName()`
  Returns property name.
  `Object`
  `getValue(Object object)`
  Returns a property value of an object without disturbing the object fault status.
  `protected Field`
  `lookupFieldInHierarchy(Class<?> beanClass, String fieldName)`
  Recursively looks for a named field in a class hierarchy.
  `protected Field`
  `prepareField(Class<?> beanClass, String propertyName, Class<?> propertyType)`
  Finds a field for the property, ensuring that direct access via reflection is possible.
  `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 Details

  - ### propertyName

    protected String propertyName

  - ### field

    protected Field field

  - ### nullValue

    protected Object nullValue

- ## Constructor Details

  - ### FieldAccessor

    public FieldAccessor(Class<?> objectClass, String propertyName, Class<?> propertyType)

- ## Method Details

  - ### 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`
    Since:
      3.0

  - ### prepareField

    protected Field prepareField(Class<?> beanClass, String propertyName, Class<?> propertyType)
    Finds a field for the property, ensuring that direct access via reflection is possible.

  - ### lookupFieldInHierarchy

    protected Field lookupFieldInHierarchy(Class<?> beanClass, String fieldName) throws SecurityException, NoSuchFieldException
    Recursively looks for a named field in a class hierarchy.
    Throws:
      `SecurityException`
      `NoSuchFieldException`