Eclipse EMF Model Transaction Development Guide (Galileo) - LongRunningReadAction (EMF Model Transaction Workbench Integration Javadoc)

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org.eclipse.emf.workspace.examples.extlibrary.actions
Class LongRunningReadAction


java.lang.Object
  

org.eclipse.core.commands.common.EventManager
      

org.eclipse.jface.action.AbstractAction
          

org.eclipse.jface.action.Action
              
org.eclipse.emf.workspace.examples.extlibrary.actions.LongRunningReadAction

All Implemented Interfaces:: IAction

public class LongRunningReadAction
extends Action
extends Action

A pathetic example of a background job that simulates reading from the model (though not actually reading anything, only obtaining a read lock). The job simply loops sixty times, sleeping for 500 millis and printing a message, all within the context of a read-only transaction on the editing domain. At each iteration, after sleeping and checking the progress monitor for cancellation, the job yields the editing domain to any other transactions that need to read. Such transactions might include UI refreshes or even other concurrent instances of this job.

Field Summary

Fields inherited from interface org.eclipse.jface.action. IAction

AS_CHECK_BOX, AS_DROP_DOWN_MENU, AS_PUSH_BUTTON, AS_RADIO_BUTTON, AS_UNSPECIFIED, CHECKED, DESCRIPTION, ENABLED, HANDLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT

Constructor Summary

LongRunningReadAction ()


Method Summary

void run ()


void setActiveWorkbenchPart ( IWorkbenchPart workbenchPart)


Methods inherited from class org.eclipse.jface.action. Action

convertAccelerator, convertAccelerator, findKeyCode, findKeyString, findModifier, findModifierString, getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, isHandled, notifyResult, removeAcceleratorText, removeMnemonics, runWithEvent, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText

Methods inherited from class org.eclipse.jface.action. AbstractAction

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class org.eclipse.core.commands.common. EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang. Object

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

Methods inherited from interface org.eclipse.jface.action. IAction

addPropertyChangeListener, removePropertyChangeListener

Constructor Detail

LongRunningReadAction

public LongRunningReadAction()

Method Detail

run

public void run()

Specified by:: run in interface IAction
Overrides:: run in class Action

setActiveWorkbenchPart

public void setActiveWorkbenchPart(
IWorkbenchPart workbenchPart)