oracle.ide.model
Class DefaultElement

java.lang.Object
  oracle.ide.model.DefaultDisplayable
      oracle.ide.model.DefaultElement

All Implemented Interfaces:

Displayable, Element

Direct Known Subclasses:

Category, ChangeListItem, ConnectionPlaceholderNode, DefaultFolder, HistoryElement, LibraryElement, TagLibrary

public class DefaultElement
extends DefaultDisplayable
implements Element

DefaultElement is a complete, default implementation of the Element interface. This is a convenient starting point for the implementation of data classes which can be integrated with the IDE framework.

If a subclass of DefaultElement adheres to the JavaBeans API, it can also interoperate with the IDE's marshalling framework, which is used for persistence. Such a subclass can be persisted automatically (i.e. no additional persistence code needs to be written), so long as the subclass implementation follows the guidelines of the marshalling framework. For details, see the documentation for the oracle.ide.marshal package and its subpackages.

A JavaBean also has the advantage of interoperating with the property inspector. Newer IDE APIs are also being considered which leverage off the JavaBeans API, so implementing a DefaultElement subclass to follow the JavaBeans API will also result in compatibility with future features.

See Also:

Element, oracle.ide.marshal, oracle.ide.marshal.xml

Constructor Summary

DefaultElement()
Creates a new DefaultElement instance.

Method Summary

Attributes	getAttributes() Part of the Element interface.
java.util.Iterator	getChildren() Part of the Element interface.
java.lang.Object	getData() Part of the Data interface.
boolean	mayHaveChildren() Part of the Element interface.

Methods inherited from class oracle.ide.model.DefaultDisplayable

getIcon, getLongLabel, getShortLabel, getToolTipText, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface oracle.ide.model.Displayable

getIcon, getLongLabel, getShortLabel, getToolTipText, toString

Constructor Detail

DefaultElement

public DefaultElement()

Creates a new DefaultElement instance.

Subclasses that are designed to operate as a JavaBean must supply a default constructor.

Method Detail

getData

public java.lang.Object getData()

Part of the Data interface. This implementation returns this.

Specified by:

getData in interface Element

Returns:

the data object associated with this Element instance.

See Also:

Data#getData()

mayHaveChildren

public boolean mayHaveChildren()

Part of the Element interface. This implementation always returns false.

Specified by:

mayHaveChildren in interface Element

Returns:

true if this Element may contain child Elements.

See Also:

Element.mayHaveChildren()

getChildren

public java.util.Iterator getChildren()

Part of the Element interface. This implementation always returns null.

Specified by:

getChildren in interface Element

Returns:

an Iterator over any child Elements contained by this Element. If there are no children, null is returned.

See Also:

Element.getChildren()

getAttributes

public Attributes getAttributes()

Part of the Element interface. This implementation always returns ElementAttributes.DELETEABLE.

Specified by:

getAttributes in interface Element

See Also:

Element.getAttributes()