Examples of javax.jdo.spi.PersistenceCapable

javax.jdo.spi.PersistenceCapable
A class that can be managed by a binary-compatible JDO implementation must implement this interface.
This interface defines methods that allow the implementation to manage the instances. It also defines methods that allow a JDO aware application to examine the runtime state of instances. For example, an application can discover whether the instance is persistent, transactional, dirty, new, deleted, or detached; and to get its associated PersistenceManager, object identity, and version if it has one.
In the Reference Implementation, the JDO Enhancer modifies the class to implement PersistenceCapable prior to loading the class into the runtime environment. The Reference Enhancer also adds code to implement the methods defined by PersistenceCapable.
The extra methods in the PersistenceCapable interface might be generated by pre-processing a .java file, or might be generated from a tool directly. The exact technique for generating the extra methods is not specified by JDO.
The PersistenceCapable interface is designed to avoid name conflicts in the scope of user-defined classes. All of its declared method names are prefixed with 'jdo'. @version 2.0

    @Override
    public void postStore(InstanceLifecycleEvent event) {
        withLogging(Phase.POST, event, new RunnableAbstract(event){
            @Override
            protected void doRun() {
                final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
                synchronizer.postStoreProcessingFor(pojo, CalledFrom.EVENT_POSTSTORE);
            }});
    }

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    @Override
    public void preDirty(InstanceLifecycleEvent event) {
        withLogging(Phase.PRE, event, new RunnableAbstract(event){
            @Override
            protected void doRun() {
                final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
                synchronizer.preDirtyProcessingFor(pojo, CalledFrom.EVENT_PREDIRTY);
            }});
    }

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    public void preDelete(InstanceLifecycleEvent event) {


        withLogging(Phase.PRE, event, new RunnableAbstract(event){
            @Override
            protected void doRun() {
                final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
                synchronizer.preDeleteProcessingFor(pojo, CalledFrom.EVENT_PREDELETE);
            }
        });
    }

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    @Override
    public void postDelete(InstanceLifecycleEvent event) {
        withLogging(Phase.POST, event, new RunnableAbstract(event){
            @Override
            protected void doRun() {
                final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
                synchronizer.postDeleteProcessingFor(pojo, CalledFrom.EVENT_POSTDELETE);
            }
        });
    }

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            return events.get(code);
        }
    }


    private String logString(Phase phase, LoggingLocation location, InstanceLifecycleEvent event) {
        final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
        final AdapterManager adapterManager = getAdapterManager();
        final ObjectAdapter adapter = adapterManager.getAdapterFor(pojo);
        return phase + " " + location.prefix + " " + LifecycleEventType.lookup(event.getEventType()) + ": oid=" + (adapter !=null? adapter.getOid(): "(null)") + " ,pojo " + pojo;
    }

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    private class RunnableEnsureFrameworksInAgreement extends RunnableAbstract {
        RunnableEnsureFrameworksInAgreement(InstanceLifecycleEvent event) {
            super(event);
        }
        protected void doRun() {
            final PersistenceCapable pojo = Utils.persistenceCapableFor(event);
            synchronizer.ensureRootObject(pojo);
            synchronizer.ensureFrameworksInAgreement(pojo);
        }

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    public void postLoadProcessingFor(final PersistenceCapable pojo, CalledFrom calledFrom) {


        withLogging(pojo, new Runnable() {
            @Override
            public void run() {
                final PersistenceCapable pc = pojo;
                
                // need to do eagerly, because (if a viewModel then) a
                // viewModel's #viewModelMemento might need to use services 
                getPersistenceSession().getServicesInjector().injectServicesInto(pojo);

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        }
    }


    public void postDelete( InstanceLifecycleEvent evt )
    {
        PersistenceCapable obj = ( (PersistenceCapable) evt.getSource() );


        if ( obj == null )
        {
            // Do not track null objects.
            // These events are typically a product of an internal lifecycle event.

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     * @param pojos the OJB pojos as obtained by the broker
     * @return the collection of JDO PersistenceCapable instances
     */
    protected Collection provideStateManagers(Collection pojos)
    {
      PersistenceCapable pc;
      int [] fieldNums;
      Iterator iter = pojos.iterator();
      Collection result = new ArrayList();
      
      while (iter.hasNext())
      {
        // obtain a StateManager
        pc = (PersistenceCapable) iter.next();
        Identity oid = new Identity(pc, broker);
        StateManagerInternal smi = pmi.getStateManager(oid, pc.getClass()); 
        
        // fetch attributes into StateManager
      JDOClass jdoClass = Helper.getJDOClass(pc.getClass());
      fieldNums = jdoClass.getManagedFieldNumbers();


      FieldManager fm = new OjbFieldManager(pc, broker);
      smi.replaceFields(fieldNums, fm);
      smi.retrieve();

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            if (oid == null)
            {                
                oid = new Identity(instance,broker);
            }
            broker.removeFromCache(instance);
            PersistenceCapable pc = (PersistenceCapable) broker.getObjectByIdentity(oid);


            JDOClass jdoClass = Helper.getJDOClass(pc.getClass());
            if (fieldNums == null)
            {
                fieldNums = jdoClass.getManagedFieldNumbers();
            }

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