Package org.yamcs.actions

Class Action<T>

java.lang.Object

org.yamcs.actions.Action<T>

Type Parameters:

T - the type of the action target

Direct Known Subclasses:

FileAction, LinkAction

public abstract class Action<T>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Action.ActionStyle

Constructor Summary

Constructors

Constructor	Description
Action(String id, String label)
Action(String id, String label, Action.ActionStyle style)

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(ActionChangeListener listener)	Add a listener that will get notified whenever one of the action properties has changed.
abstract void	execute(T target, com.google.gson.JsonObject request, ActionResult result)	Execute an action.
String	getId()	Returns a unique identifier for this action.
String	getLabel()	Human-readable label for this action.
Spec	getSpec()	Specification of action arguments (if the actions supports or requires this)
Action.ActionStyle	getStyle()	Return the style of this action.
boolean	isChecked()	Returns the checked state of this action.
boolean	isEnabled()	Returns whether this action is enabled.
void	removeChangeListener(ActionChangeListener listener)	Remove a previously registered change listeners.
void	setChecked(boolean checked)	Sets the checked state of this action.
void	setEnabled(boolean enabled)	Set the enabled state of this action.

Methods inherited from class java.lang.Object

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

Constructor Details

Action

public Action(String id,
 String label)

Action

public Action(String id,
 String label,
 Action.ActionStyle style)

Method Details

getId

public String getId()

Returns a unique identifier for this action.

getLabel

public String getLabel()

Human-readable label for this action.

getSpec

public Spec getSpec()

Specification of action arguments (if the actions supports or requires this)

isEnabled

public boolean isEnabled()

Returns whether this action is enabled.

setEnabled

public void setEnabled(boolean enabled)

Set the enabled state of this action.

An action that is not enabled, is visible, but can't be executed.

getStyle

public Action.ActionStyle getStyle()

Return the style of this action.

isChecked

public boolean isChecked()

Returns the checked state of this action.

Only relevant if the style of this action is set to Action.ActionStyle.CHECK_BOX.

setChecked

public void setChecked(boolean checked)

Sets the checked state of this action.

Only relevant if the style of this action is set to Action.ActionStyle.CHECK_BOX.

addChangeListener

public void addChangeListener(ActionChangeListener listener)

Add a listener that will get notified whenever one of the action properties has changed.

removeChangeListener

public void removeChangeListener(ActionChangeListener listener)

Remove a previously registered change listeners.

execute

public abstract void execute(T target,
 com.google.gson.JsonObject request,
 ActionResult result)

Execute an action.

When successful, use the result parameter to provide the action result (which may be null).

When an error occurs, use the result parameter to provide the exception.

Parameters:

target - The target of this action

request - Optional request options

result - Object where to mark the successful end of an action.