Examples of org.apache.cayenne.map.EntityResolver

org.apache.cayenne.map.EntityResolver
Represents a virtual shared namespace for zero or more DataMaps. Unlike DataMap, EntityResolver is intended to work as a runtime container of mapping. DataMaps can be added or removed dynamically at runtime.
EntityResolver is thread-safe.
@since 1.1 @author Andrus Adamchik

        entity.setClassName(MockPersistentObject.class.getName());


        DataMap dataMap = new DataMap("test");
        dataMap.addObjEntity(entity);
        Collection<DataMap> entities = Collections.singleton(dataMap);
        context.setEntityResolver(new EntityResolver(entities));


        Persistent object = context.newObject(MockPersistentObject.class);
        assertNotNull(object);
        assertTrue(object instanceof MockPersistentObject);
        assertEquals(PersistenceState.NEW, object.getPersistenceState());

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        entity.setClassName(MockPersistentObject.class.getName());


        DataMap dataMap = new DataMap("test");
        dataMap.addObjEntity(entity);
        Collection<DataMap> entities = Collections.singleton(dataMap);
        context.setEntityResolver(new EntityResolver(entities));


        // TRANSIENT ... should quietly ignore it
        Persistent transientObject = new MockPersistentObject();
        context.deleteObject(transientObject);
        assertEquals(PersistenceState.TRANSIENT, transientObject.getPersistenceState());

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                    public Object answer(InvocationOnMock invocation) {
                        ClientMessage arg = (ClientMessage) invocation.getArguments()[0];


                        if (arg instanceof BootstrapMessage) {
                            return new EntityResolver();
                        }
                        else {
                            return new GenericResponse(Arrays.asList(inflated));
                        }
                    }

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                    public Object answer(InvocationOnMock invocation) {
                        ClientMessage arg = (ClientMessage) invocation.getArguments()[0];


                        if (arg instanceof BootstrapMessage) {
                            return new EntityResolver();
                        }
                        else {
                            return new GenericResponse(Arrays.asList(inflated));
                        }
                    }

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    // creates default entity resolver if there is none set yet
    private synchronized void createEntityResolver() {
        if (entityResolver == null) {
            // entity resolver will be self-indexing as we add all our maps
            // to it as they are added to the DataDomain
            entityResolver = new EntityResolver();
        }
    }

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    /**
     * Tests that all queries specified in prefetch are executed in a more complex
     * prefetch scenario.
     */
    public void testRouteWithPrefetches() {
        EntityResolver resolver = context.getEntityResolver();
        MockQueryRouter router = new MockQueryRouter();


        SelectQuery q = new SelectQuery(Artist.class, ExpressionFactory.matchExp(
                "artistName",
                "a"));

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     * Tests that all queries specified in prefetch are executed in a more complex
     * prefetch scenario with no reverse obj relationships.
     */
    public void testRouteQueryWithPrefetchesNoReverse() {


        EntityResolver resolver = context.getEntityResolver();
        ObjEntity paintingEntity = resolver.lookupObjEntity(Painting.class);
        ObjEntity galleryEntity = resolver.lookupObjEntity(Gallery.class);
        ObjEntity artistExhibitEntity = resolver.lookupObjEntity(ArtistExhibit.class);
        ObjEntity exhibitEntity = resolver.lookupObjEntity(Exhibit.class);
        ObjRelationship paintingToArtistRel = (ObjRelationship) paintingEntity
                .getRelationship("toArtist");
        paintingEntity.removeRelationship("toArtist");


        ObjRelationship galleryToPaintingRel = (ObjRelationship) galleryEntity

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        SelectQuery q = new SelectQuery(Painting.class, exp);
        q.addPrefetch("toArtist");


        // test how prefetches are resolved in this case - this was a stumbling block for
        // a while
        EntityResolver resolver = context.getEntityResolver();
        MockQueryRouter router = new MockQueryRouter();
        q.route(router, resolver, null);
        assertEquals(2, router.getQueryCount());
    }

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public class ProcedureQueryCacheKeyTest extends CayenneCase {


    public void testNoCache() {


        EntityResolver resolver = getDomain().getEntityResolver();


        ProcedureQuery query = new ProcedureQuery("ABC", Artist.class);


        QueryMetadata md1 = query.getMetaData(resolver);
        assertEquals(QueryCacheStrategy.NO_CACHE, md1.getCacheStrategy());

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        assertNull(md2.getCacheKey());
    }


    public void testLocalCache() {


        EntityResolver resolver = getDomain().getEntityResolver();


        ProcedureQuery query = new ProcedureQuery("ABC", Artist.class);


        query.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE);

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