AttributeEvent (NetBeans MDR API) - NetBeans API Javadoc 4.1.0

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org.netbeans.api.mdr.events
Class AttributeEvent

java.lang.Object
  java.util.EventObject
      org.netbeans.api.mdr.events.MDRChangeEvent
          org.netbeans.api.mdr.events.AttributeEvent

All Implemented Interfaces:: Serializable

public class AttributeEvent
extends MDRChangeEvent

Class represeting MDR events related to changes of repository object (class/instance) attributes.

See Also:: Serialized Form

Field Summary

static int EVENT_ATTRIBUTE_ADD
          Event type indicating that a value element of a multi-valued instance attribute is to be/was added

static int EVENT_ATTRIBUTE_REMOVE
          Event type indicating that a value element of a multi-valued instance attribute is to be/was removed

static int EVENT_ATTRIBUTE_SET
          Event type indicating that a value of a single-valued instance attribute is to be/was changed or a value element of a multi-valued instance attribute is to be/was changed.

static int EVENT_CLASSATTR_ADD
          Event type indicating that a value element of a multi-valued classifier attribute is to be/was added

static int EVENT_CLASSATTR_REMOVE
          Event type indicating that a value element of a multi-valued classifier attribute is to be/was removed

static int EVENT_CLASSATTR_SET
          Event type indicating that a value of a single-valued classifier attribute is to be/was changed or a value element of a multi-valued classifier attribute is to be/was changed.

static int EVENTMASK_ATTRIBUTE
          Bitmask representing all event types related to instance attribute changes

static int EVENTMASK_CLASSATTR
          Bitmask representing all event types related to classifier attribute changes

static int POSITION_NONE
          Value indicating unspecified position

Fields inherited from class org.netbeans.api.mdr.events.MDRChangeEvent

EVENTMASK_ALL, EVENTMASK_ON_ASSOCIATION, EVENTMASK_ON_CLASS, EVENTMASK_ON_INSTANCE, EVENTMASK_ON_PACKAGE, EVENTMASK_ON_REPOSITORY

Fields inherited from class java.util.EventObject

source

Constructor Summary

AttributeEvent(javax.jmi.reflect.RefFeatured source, int type, String attrName, Object oldElement, Object newElement, int position)
          Creates new AttributeEvent instance.

Method Summary

String getAttributeName()
          Returns name of an attribute affected by this event.

Object getNewElement()
          Returns a new value of the element affected by this event or null if not applicable.

Object getOldElement()
          Returns original value of the element affected by this event or null if not applicable.

int getPosition()
          Returns original position of element affected by this event or POSITION_NONE if not applicable.

Methods inherited from class org.netbeans.api.mdr.events.MDRChangeEvent

getType, isOfType

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Field Detail

POSITION_NONE

public static final int POSITION_NONE

Value indicating unspecified position

See Also:: Constant Field Values

EVENTMASK_ATTRIBUTE

public static final int EVENTMASK_ATTRIBUTE

Bitmask representing all event types related to instance attribute changes

See Also:: Constant Field Values

EVENTMASK_CLASSATTR

public static final int EVENTMASK_CLASSATTR

Bitmask representing all event types related to classifier attribute changes

See Also:: Constant Field Values

EVENT_ATTRIBUTE_SET

public static final int EVENT_ATTRIBUTE_SET

Event type indicating that a value of a single-valued instance attribute is to be/was changed or a value element of a multi-valued instance attribute is to be/was changed.

See Also:: Constant Field Values

EVENT_ATTRIBUTE_ADD

public static final int EVENT_ATTRIBUTE_ADD

Event type indicating that a value element of a multi-valued instance attribute is to be/was added

See Also:: Constant Field Values

EVENT_ATTRIBUTE_REMOVE

public static final int EVENT_ATTRIBUTE_REMOVE

Event type indicating that a value element of a multi-valued instance attribute is to be/was removed

See Also:: Constant Field Values

EVENT_CLASSATTR_SET

public static final int EVENT_CLASSATTR_SET

Event type indicating that a value of a single-valued classifier attribute is to be/was changed or a value element of a multi-valued classifier attribute is to be/was changed.

See Also:: Constant Field Values

EVENT_CLASSATTR_ADD

public static final int EVENT_CLASSATTR_ADD

Event type indicating that a value element of a multi-valued classifier attribute is to be/was added

See Also:: Constant Field Values

EVENT_CLASSATTR_REMOVE

public static final int EVENT_CLASSATTR_REMOVE

Event type indicating that a value element of a multi-valued classifier attribute is to be/was removed

See Also:: Constant Field Values

Constructor Detail

AttributeEvent

public AttributeEvent(javax.jmi.reflect.RefFeatured source,
                      int type,
                      String attrName,
                      Object oldElement,
                      Object newElement,
                      int position)

Creates new AttributeEvent instance.
Parameters:: source - Event source (class proxy or instance).; type - Event type.; attrName - Name of the attribute that was changed.; oldElement - Original attribute value (for single-valued) or value element (for multi-valued attribute) or null if not applicable (e.g. in case of ADD event).; newElement - New attribute value (for single-valued) or value element (for multi-valued attribute) or null if not applicable (e.g. in case of REMOVE event).; position - Position of the affected element or POSITION_NONE if not applicable (e.g. in case of unordered multi-valued attributes).

Method Detail

getAttributeName

public String getAttributeName()

Returns name of an attribute affected by this event.

Returns:: Attribute name.

getOldElement

public Object getOldElement()

Returns original value of the element affected by this event or null if not applicable.

Returns:: Original value of element.

getNewElement

public Object getNewElement()

Returns a new value of the element affected by this event or null if not applicable.

Returns:: New element value.

getPosition

public int getPosition()

Returns original position of element affected by this event or POSITION_NONE if not applicable.

Returns:: Original position of affected element.