Package org.eclipse.emf.cdo.server.db.evolution.phased

Class DefaultChangeDetector

java.lang.Object
org.eclipse.net4j.util.event.Notifier
org.eclipse.net4j.util.lifecycle.Lifecycle
org.eclipse.emf.cdo.server.db.evolution.phased.BasicPhaseHandler
org.eclipse.emf.cdo.server.db.evolution.phased.DefaultChangeDetector
All Implemented Interfaces:
Phase.Handler, org.eclipse.net4j.util.event.INotifier, org.eclipse.net4j.util.event.INotifier.INotifier2, org.eclipse.net4j.util.lifecycle.IDeactivateable, org.eclipse.net4j.util.lifecycle.ILifecycle, org.eclipse.net4j.util.lifecycle.ILifecycle.DeferrableActivation
public class DefaultChangeDetector extends BasicPhaseHandler
Detects model changes between the stored models and the currently registered EPackages.

If no model changes are detected, the model evolution process is aborted. If model changes are detected and the mode is set to PhasedModelEvolutionSupport.Mode.Prevent, an exception is thrown.

Since:
4.14
Author:
Eike Stepper
No Implement
This package is currently considered provisional.
No Extend
This package is currently considered provisional.
No Reference
This package is currently considered provisional.

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.eclipse.net4j.util.event.Notifier

    org.eclipse.net4j.util.event.Notifier.Cancelation

    Nested classes/interfaces inherited from interface org.eclipse.net4j.util.lifecycle.ILifecycle

    org.eclipse.net4j.util.lifecycle.ILifecycle.DeferrableActivation

    Nested classes/interfaces inherited from interface org.eclipse.net4j.util.event.INotifier

    org.eclipse.net4j.util.event.INotifier.INotifier2

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    FACTORY_TYPE
    The factory type of the default change detector.

    Fields inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle

    USE_LABEL

    Fields inherited from interface org.eclipse.emf.cdo.server.db.evolution.phased.Phase.Handler

    PRODUCT_GROUP

  • Constructor Summary

    Constructors
    Constructor
    Description
    DefaultChangeDetector()
    Creates a change detector.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    execute(Context context)
    Detects model changes and registers the changed models in the context.
    protected Object
    getChangeInfo(Context.Model model)
     

    Methods inherited from class org.eclipse.emf.cdo.server.db.evolution.phased.BasicPhaseHandler

    doBeforeActivate, getPhase, setPhase

    Methods inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle

    activate, checkActive, checkArg, checkArg, checkInactive, checkNull, checkState, checkState, deactivate, deferredActivate, doActivate, doAfterActivate, doBeforeDeactivate, doDeactivate, dump, getLifecycleState, isActive, isDeferredActivation, toString

    Methods inherited from class org.eclipse.net4j.util.event.Notifier

    addListener, addUniqueListener, fireEvent, fireEvent, fireEvent, fireThrowable, firstListenerAdded, getListeners, getNotificationService, hasListener, hasListeners, lastListenerRemoved, listenerAdded, listenerRemoved, removeListener

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.eclipse.net4j.util.event.INotifier

    addListener, getListeners, hasListeners, removeListener

  • Field Details

    • FACTORY_TYPE

      public static final String FACTORY_TYPE
      The factory type of the default change detector.
      See Also:

  • Constructor Details

    • DefaultChangeDetector

      public DefaultChangeDetector()
      Creates a change detector.

  • Method Details

    • execute

      public void execute(Context context) throws Exception
      Detects model changes and registers the changed models in the context.
      Throws:
      Exception

    • getChangeInfo

      protected Object getChangeInfo(Context.Model model)