oracle.jdeveloper.cm.dt
Class Connections

java.lang.Object
  oracle.ide.model.DefaultDisplayable
      oracle.ide.model.DefaultElement
          oracle.ide.model.DefaultFolder
              oracle.jdeveloper.cm.dt.Connections

All Implemented Interfaces:

Data, Displayable, Element, Folder, Subject

public final class Connections

extends DefaultFolder

implements Subject

The Connections class is the folder responsible maintaining the database connections. This is a singleton class.

Field Summary

Fields inherited from class oracle.ide.model.DefaultFolder

_children

Fields inherited from interface oracle.ide.addin.Subject

OBJECT_MODIFIED

Constructor Summary

Connections()
Constructor.

Method Summary

void	addConnection(ConnectionDescriptor connDesc) Added a named connection to the Navigator
void	addConnection(java.lang.String connName) Added a named connection to the Navigator
void	addConnection(java.lang.String connName, boolean notifyObs) Added a named connection to the Navigator
void	attach(Observer observer) Registers an observer interested in being notified when the internal state of the class implementing the Subject interface changes.
void	detach(Observer observer) Unregisters an observer that is not interested anymore in being notified when the internal state of the class implementing the Subject interface changes.
java.util.Iterator	getChildren() Part of the Element interface.
ConnectionNode	getConnectionNode(java.lang.String connName) Gets the ConnectionNode for a given connection name
javax.swing.Icon	getIcon() Part of Element interface.
static Connections	getInstance() The Connections folder is a singleton class.
java.lang.String	getLongLabel() Returns a long label that can be displayed to the user.
java.lang.String	getShortLabel() Returns a short label that can be displayed to the user.
java.lang.String	getToolTipText() Returns the tool tip text to show when the mouse pointer pauses over a UI component that represents this Displayable.
void	loadConnections() Addin authors should not call this method.
void	notifyObservers(java.lang.Object observed, UpdateMessage change) Notifies all observers that the state of the subject has changed.
void	registerConnectionClass(java.lang.String cClass, BaseConnections node)
void	removeConnection(ConnectionDescriptor connDesc) Removes a named connection to the Navigator
void	removeConnection(java.lang.String connName) Removes a named connection to the Navigator

Methods inherited from class oracle.ide.model.DefaultFolder

add, canAdd, canRemove, containsChild, copyToImpl, equalsImpl, mayHaveChildren, remove, removeAll, size

Methods inherited from class oracle.ide.model.DefaultElement

getAttributes, getData

Methods inherited from class oracle.ide.model.DefaultDisplayable

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.Element

getAttributes

Methods inherited from interface oracle.ide.model.Data

getData

Methods inherited from interface oracle.ide.model.Displayable

toString

Constructor Detail

Connections

public Connections()
            throws SingletonClassException

Constructor.

Throws:

SingletonClassException - thrown when this class is instantiated more than once.

Method Detail

getInstance

public static Connections getInstance()

The Connections folder is a singleton class. This method gets this folder's single instance.

Returns:

the Connections folder single instance.

addConnection

public void addConnection(java.lang.String connName)

Added a named connection to the Navigator

addConnection

public void addConnection(java.lang.String connName,
                          boolean notifyObs)

Added a named connection to the Navigator

addConnection

public void addConnection(ConnectionDescriptor connDesc)

Added a named connection to the Navigator

removeConnection

public void removeConnection(java.lang.String connName)

Removes a named connection to the Navigator

removeConnection

public void removeConnection(ConnectionDescriptor connDesc)

Removes a named connection to the Navigator

getShortLabel

public java.lang.String getShortLabel()

Description copied from interface: Displayable

Returns a short label that can be displayed to the user. Generally, the value of the returned String is considered translatable and should therefore be placed in an appropriate resource file. When possible, the returned label should be reasonably short enough to show in the navigator or explorer windows but long enough to clearly identify and distinguish the Displayable.

Specified by:

getShortLabel in interface Displayable

Overrides:

getShortLabel in class DefaultDisplayable

See Also:

Displayable.getShortLabel()

getLongLabel

public java.lang.String getLongLabel()

Description copied from interface: Displayable

Returns a long label that can be displayed to the user. Generally, the value of the returned String is considered translatable and should therefore be placed in an appropriate resource file. The long label differs from the short label essentially on length. Usually the long label will only be shown on-demand and in places where horizontal space is more available. Examples are the status bar and tooltips.

Specified by:

getLongLabel in interface Displayable

Overrides:

getLongLabel in class DefaultDisplayable

See Also:

Displayable.getLongLabel()

getIcon

public javax.swing.Icon getIcon()

Description copied from class: DefaultFolder

Part of Element interface. The default implementation returns null, which causes a default folder icon to be used.

Specified by:

getIcon in interface Displayable

Overrides:

getIcon in class DefaultFolder

See Also:

Displayable.getIcon()

getToolTipText

public java.lang.String getToolTipText()

Description copied from interface: Displayable

Returns the tool tip text to show when the mouse pointer pauses over a UI component that represents this Displayable. In many cases it may be appropriate for this method to return the same value as Displayable.getLongLabel().

Specified by:

getToolTipText in interface Displayable

Overrides:

getToolTipText in class DefaultDisplayable

See Also:

Displayable.getToolTipText()

getChildren

public java.util.Iterator getChildren()

Description copied from class: DefaultFolder

Part of the Element interface. This implementation returns an Iterator over the current list of children.

Specified by:

getChildren in interface Element

Overrides:

getChildren in class DefaultFolder

See Also:

Element.getChildren()

loadConnections

public void loadConnections()

Addin authors should not call this method. It is for internal use only.

getConnectionNode

public ConnectionNode getConnectionNode(java.lang.String connName)

Gets the ConnectionNode for a given connection name

Note: this will open the connection node if it is not already opened.

registerConnectionClass

public void registerConnectionClass(java.lang.String cClass,
                                    BaseConnections node)

attach

public void attach(Observer observer)

Description copied from interface: Subject

Registers an observer interested in being notified when the internal state of the class implementing the Subject interface changes. Implementors should do nothing when the same observer is added more than once.

Specified by:

attach in interface Subject

Parameters:

observer - the Observer interested in change notification messages.

detach

public void detach(Observer observer)

Description copied from interface: Subject

Unregisters an observer that is not interested anymore in being notified when the internal state of the class implementing the Subject interface changes. Implementors should do nothing when the same observer is removed more than once.

Specified by:

detach in interface Subject

Parameters:

observer - the Observer disinterested in change notification messages.

notifyObservers

public void notifyObservers(java.lang.Object observed,
                            UpdateMessage change)

Description copied from interface: Subject

Notifies all observers that the state of the subject has changed.

Specified by:

notifyObservers in interface Subject

Parameters:

observed - the subject whose state has changed.

change - what changed.