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

        PersistenceCapable mock = newMock(PERSISTENT+TRANSACTIONAL+DIRTY);
        assertObjectState("persistent-dirty", ObjectState.PERSISTENT_DIRTY, mock);
    }


    public void testPersistentDeleted() {
        PersistenceCapable mock = newMock(PERSISTENT+TRANSACTIONAL+DIRTY+DELETED);
        assertObjectState("persistent-deleted", ObjectState.PERSISTENT_DELETED, mock);
    }

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        PersistenceCapable mock = newMock(PERSISTENT+TRANSACTIONAL+DIRTY+DELETED);
        assertObjectState("persistent-deleted", ObjectState.PERSISTENT_DELETED, mock);
    }


    public void testPersistentNewDeleted() {
        PersistenceCapable mock = newMock(PERSISTENT+TRANSACTIONAL+NEW+DIRTY+DELETED);
        assertObjectState("persistent-new-deleted", ObjectState.PERSISTENT_NEW_DELETED, mock);
    }

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        PersistenceCapable mock = newMock(PERSISTENT+TRANSACTIONAL+NEW+DIRTY+DELETED);
        assertObjectState("persistent-new-deleted", ObjectState.PERSISTENT_NEW_DELETED, mock);
    }


    public void testDetachedClean() {
        PersistenceCapable mock = newMock(DETACHED);
        assertObjectState("detached-clean", ObjectState.DETACHED_CLEAN, mock);
    }

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        PersistenceCapable mock = newMock(DETACHED);
        assertObjectState("detached-clean", ObjectState.DETACHED_CLEAN, mock);
    }


    public void testDetachedDirty() {
        PersistenceCapable mock = newMock(DETACHED+DIRTY);
        assertObjectState("detached-dirty", ObjectState.DETACHED_DIRTY, mock);
    }

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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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        }
    }


    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 o the object to check
     */
    private void singleFieldIdentity(AbstractPCPointSingleField o) {
        assertPersistenceCapable(o);
        SingleFieldIdentity sfi = (SingleFieldIdentity) makePersistent(o);
        PersistenceCapable pc = (PersistenceCapable) o;
        ObjectIdFieldConsumer objectIdFieldConsumer = 
            new ObjectIdFieldConsumer();
        pc.jdoCopyKeyFieldsFromObjectId(objectIdFieldConsumer, sfi);
        if (!objectIdFieldConsumer.equals(sfi)) {
            fail(ASSERTION_FAILED + 
                    "pc.jdoCopyKeyFieldsFromObjectId copies unexpected " +
                    "fields into an object id field consumer using a " +
                    "single field indentity object id.");

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     * on a persistent instance with its primary key field initialized, 
     * @param o the object to check
     */
    private void singleFieldIdentityNotInitialized(AbstractPCPointSingleField o) {
        assertPersistenceCapable(o);
        PersistenceCapable pc = (PersistenceCapable) o;
        try {
            Object sfi = pc.jdoNewObjectIdInstance();
            String message = ASSERTION_A7_12_38_FAILED + 
            "pc.jdoNewObjectIdInstance should throw " +
            "JDONullIdentityException if PK field is null, but it returned "+sfi;
            fail(message);
        } catch (JDONullIdentityException e) {

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     * @param o the persistent instance to check
     */
    private void singleFieldIdentityInitialized(AbstractPCPointSingleField o) {
        assertPersistenceCapable(o);
        makePersistent(o);
        PersistenceCapable pc = (PersistenceCapable) o;
        SingleFieldIdentity sfi = 
            (SingleFieldIdentity) pc.jdoNewObjectIdInstance();
        if (!o.equalsPKField(sfi)) {
            fail(ASSERTION_A7_12_39_FAILED + 
                    "pc.jdoNewObjectIdInstance() returned unexpected " +
                    "single field identity object id.");
        }

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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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