Examples with EntityFetch org.hibernate.sql.results.graph.entity.EntityFetch used on opensource projects

Example 1 with EntityFetch

use of org.hibernate.sql.results.graph.entity.EntityFetch in project hibernate-orm by hibernate.

the class CriteriaEntityGraphTest method testFetchSemanticsWithDeepSubgraph.

@Test
void testFetchSemanticsWithDeepSubgraph() {
    scope.inTransaction(session -> {
        final RootGraphImplementor<Cat> eg = session.createEntityGraph(Cat.class);
        eg.addSubgraph("owner", Person.class).addSubgraph("company", ExpressCompany.class);
        final SelectStatement sqlAst = buildSqlSelectAst(Cat.class, eg, GraphSemantic.FETCH, session);
        // Check the from-clause
        assertEntityValuedJoinedGroup(sqlAst, "owner", Person.class, tableGroup -> {
            List<TableGroupJoin> tableGroupJoins = tableGroup.getTableGroupJoins();
            Map<String, Class<? extends TableGroup>> tableGroupByName = tableGroupJoins.stream().map(TableGroupJoin::getJoinedGroup).collect(Collectors.toMap(tg -> tg.getModelPart().getPartName(), TableGroup::getClass));
            Map<String, Class<? extends TableGroup>> expectedTableGroupByName = new HashMap<>();
            expectedTableGroupByName.put("homeAddress", StandardVirtualTableGroup.class);
            expectedTableGroupByName.put("company", LazyTableGroup.class);
            assertThat(tableGroupByName, is(expectedTableGroupByName));
        });
        // Check the domain-result graph
        assertDomainResult(sqlAst, Cat.class, "owner", Person.class, entityFetch -> {
            assertThat(entityFetch, instanceOf(EntityFetchJoinedImpl.class));
            final EntityResult ownerEntityResult = ((EntityFetchJoinedImpl) entityFetch).getEntityResult();
            final Map<String, Class<? extends Fetch>> fetchClassByAttributeName = ownerEntityResult.getFetches().stream().collect(Collectors.toMap(fetch -> fetch.getFetchedMapping().getPartName(), Fetch::getClass));
            final Map<String, Class<? extends Fetch>> expectedFetchClassByAttributeName = new HashMap<>();
            expectedFetchClassByAttributeName.put("homeAddress", EmbeddableFetchImpl.class);
            expectedFetchClassByAttributeName.put("pets", DelayedCollectionFetch.class);
            expectedFetchClassByAttributeName.put("company", EntityFetchJoinedImpl.class);
            assertThat(fetchClassByAttributeName, is(expectedFetchClassByAttributeName));
            Fetchable fetchable = getFetchable("company", Person.class);
            final Fetch companyFetch = ownerEntityResult.findFetch(fetchable);
            List<Fetch> fetches = ownerEntityResult.getFetches();
            assertThat(companyFetch, notNullValue());
            final EntityResult companyEntityResult = ((EntityFetchJoinedImpl) companyFetch).getEntityResult();
            assertThat(companyEntityResult.getFetches(), hasSize(1));
            final Fetch shipAddressesFetch = companyEntityResult.getFetches().get(0);
            assertThat(shipAddressesFetch.getFetchedMapping().getPartName(), is("shipAddresses"));
            assertThat(shipAddressesFetch, instanceOf(DelayedCollectionFetch.class));
        });
    });
}

Example 2 with EntityFetch

use of org.hibernate.sql.results.graph.entity.EntityFetch in project hibernate-orm by hibernate.

the class EntityGraphLoadPlanBuilderTest method testFetchLoadPlanBuildingWithDeepSubgraph.

@Test
void testFetchLoadPlanBuildingWithDeepSubgraph() {
    scope.inTransaction(em -> {
        final RootGraphImplementor<Cat> eg = em.createEntityGraph(Cat.class);
        eg.addSubgraph("owner", Person.class).addSubgraph("company", ExpressCompany.class);
        final SelectStatement sqlAst = buildSqlSelectAst(Cat.class, eg, GraphSemantic.FETCH, scope);
        // Check the from-clause
        assertEntityValuedJoinedGroup(sqlAst, "owner", Person.class, tableGroup -> {
            List<TableGroupJoin> tableGroupJoins = tableGroup.getTableGroupJoins();
            Map<String, Class<? extends TableGroup>> tableGroupByName = tableGroupJoins.stream().map(TableGroupJoin::getJoinedGroup).collect(Collectors.toMap(tg -> tg.getModelPart().getPartName(), TableGroup::getClass));
            Map<String, Class<? extends TableGroup>> expectedTableGroupByName = new HashMap<>();
            expectedTableGroupByName.put("homeAddress", StandardVirtualTableGroup.class);
            expectedTableGroupByName.put("company", LazyTableGroup.class);
            assertThat(tableGroupByName, is(expectedTableGroupByName));
        });
        // Check the domain-result graph
        assertDomainResult(sqlAst, Cat.class, "owner", Person.class, entityFetch -> {
            assertThat(entityFetch, instanceOf(EntityFetchJoinedImpl.class));
            final EntityResult ownerEntityResult = ((EntityFetchJoinedImpl) entityFetch).getEntityResult();
            final Map<String, Class<? extends Fetch>> fetchClassByAttributeName = ownerEntityResult.getFetches().stream().collect(Collectors.toMap(fetch -> fetch.getFetchedMapping().getPartName(), Fetch::getClass));
            final Map<String, Class<? extends Fetch>> expectedFetchClassByAttributeName = new HashMap<>();
            expectedFetchClassByAttributeName.put("homeAddress", EmbeddableFetchImpl.class);
            expectedFetchClassByAttributeName.put("pets", DelayedCollectionFetch.class);
            expectedFetchClassByAttributeName.put("company", EntityFetchJoinedImpl.class);
            assertThat(fetchClassByAttributeName, is(expectedFetchClassByAttributeName));
            Fetchable fetchable = getFetchable("company", Person.class);
            final Fetch companyFetch = ownerEntityResult.findFetch(fetchable);
            assertThat(companyFetch, notNullValue());
            final EntityResult companyEntityResult = ((EntityFetchJoinedImpl) companyFetch).getEntityResult();
            assertThat(companyEntityResult.getFetches(), hasSize(1));
            final Fetch shipAddressesFetch = companyEntityResult.getFetches().get(0);
            assertThat(shipAddressesFetch.getFetchedMapping().getPartName(), is("shipAddresses"));
            assertThat(shipAddressesFetch, instanceOf(DelayedCollectionFetch.class));
        });
    });
}

Example 3 with EntityFetch

use of org.hibernate.sql.results.graph.entity.EntityFetch in project hibernate-orm by hibernate.

the class EntityGraphLoadPlanBuilderTest method testLoadPlanBuildingWithSubgraph.

@ParameterizedTest
@EnumSource(GraphSemantic.class)
void testLoadPlanBuildingWithSubgraph(GraphSemantic graphSemantic) {
    scope.inTransaction(em -> {
        final RootGraphImplementor<Cat> eg = em.createEntityGraph(Cat.class);
        eg.addSubgraph("owner", Person.class);
        final SelectStatement sqlAst = buildSqlSelectAst(Cat.class, eg, graphSemantic, scope);
        // Check the from-clause
        assertEntityValuedJoinedGroup(sqlAst, "owner", Person.class, this::assertPersonHomeAddressJoinedGroup);
        // Check the domain-result graph
        assertDomainResult(sqlAst, Cat.class, "owner", Person.class, entityFetch -> {
            if (graphSemantic == GraphSemantic.LOAD) {
                assertThat(entityFetch, instanceOf(EntityFetchJoinedImpl.class));
                final EntityResult entityResult = ((EntityFetchJoinedImpl) entityFetch).getEntityResult();
                final Map<String, Class<? extends Fetch>> fetchClassByAttributeName = entityResult.getFetches().stream().collect(Collectors.toMap(fetch -> fetch.getFetchedMapping().getPartName(), Fetch::getClass));
                final Map<String, Class<? extends Fetch>> expectedFetchClassByAttributeName = new HashMap<>();
                expectedFetchClassByAttributeName.put("pets", DelayedCollectionFetch.class);
                expectedFetchClassByAttributeName.put("homeAddress", EmbeddableFetchImpl.class);
                expectedFetchClassByAttributeName.put("company", EntityDelayedFetchImpl.class);
                assertThat(fetchClassByAttributeName, is(expectedFetchClassByAttributeName));
            }
        });
    });
}

Example 4 with EntityFetch

use of org.hibernate.sql.results.graph.entity.EntityFetch in project hibernate-orm by hibernate.

the class HqlEntityGraphTest method testFetchSemanticsWithDeepSubgraph.

@Test
void testFetchSemanticsWithDeepSubgraph() {
    scope.inTransaction(session -> {
        final RootGraphImplementor<Cat> eg = session.createEntityGraph(Cat.class);
        eg.addSubgraph("owner", Person.class).addSubgraph("company", ExpressCompany.class);
        final SelectStatement sqlAst = buildSqlSelectAst(Cat.class, "select c from Cat as c", eg, GraphSemantic.FETCH, session);
        // Check the from-clause
        assertEntityValuedJoinedGroup(sqlAst, "owner", Person.class, tableGroup -> {
            List<TableGroupJoin> tableGroupJoins = tableGroup.getTableGroupJoins();
            Map<String, Class<? extends TableGroup>> tableGroupByName = tableGroupJoins.stream().map(TableGroupJoin::getJoinedGroup).collect(Collectors.toMap(tg -> tg.getModelPart().getPartName(), TableGroup::getClass));
            Map<String, Class<? extends TableGroup>> expectedTableGroupByName = new HashMap<>();
            expectedTableGroupByName.put("homeAddress", StandardVirtualTableGroup.class);
            expectedTableGroupByName.put("company", LazyTableGroup.class);
            assertThat(tableGroupByName, is(expectedTableGroupByName));
        });
        // Check the domain-result graph
        assertDomainResult(sqlAst, Cat.class, "owner", Person.class, entityFetch -> {
            assertThat(entityFetch, instanceOf(EntityFetchJoinedImpl.class));
            final EntityResult ownerEntityResult = ((EntityFetchJoinedImpl) entityFetch).getEntityResult();
            final Map<String, Class<? extends Fetch>> fetchClassByAttributeName = ownerEntityResult.getFetches().stream().collect(Collectors.toMap(fetch -> fetch.getFetchedMapping().getPartName(), Fetch::getClass));
            final Map<String, Class<? extends Fetch>> expectedFetchClassByAttributeName = new HashMap<>();
            expectedFetchClassByAttributeName.put("homeAddress", EmbeddableFetchImpl.class);
            expectedFetchClassByAttributeName.put("pets", DelayedCollectionFetch.class);
            expectedFetchClassByAttributeName.put("company", EntityFetchJoinedImpl.class);
            assertThat(fetchClassByAttributeName, is(expectedFetchClassByAttributeName));
            Fetchable fetchable = getFetchable("company", Person.class);
            final Fetch companyFetch = ownerEntityResult.findFetch(fetchable);
            assertThat(companyFetch, notNullValue());
            final EntityResult companyEntityResult = ((EntityFetchJoinedImpl) companyFetch).getEntityResult();
            assertThat(companyEntityResult.getFetches(), hasSize(1));
            final Fetch shipAddressesFetch = companyEntityResult.getFetches().get(0);
            assertThat(shipAddressesFetch.getFetchedMapping().getPartName(), is("shipAddresses"));
            assertThat(shipAddressesFetch, instanceOf(DelayedCollectionFetch.class));
        });
    });
}

Example 5 with EntityFetch

use of org.hibernate.sql.results.graph.entity.EntityFetch in project hibernate-orm by hibernate.

the class HqlEntityGraphTest method testSemanticsWithSubgraph.

@ParameterizedTest
@EnumSource(GraphSemantic.class)
void testSemanticsWithSubgraph(GraphSemantic graphSemantic) {
    scope.inTransaction(session -> {
        final RootGraphImplementor<Cat> eg = session.createEntityGraph(Cat.class);
        eg.addSubgraph("owner", Person.class);
        final SelectStatement sqlAst = buildSqlSelectAst(Cat.class, "select c from Cat as c", eg, graphSemantic, session);
        // Check the from-clause
        assertEntityValuedJoinedGroup(sqlAst, "owner", Person.class, this::assertPersonHomeAddressJoinedGroup);
        // Check the domain-result graph
        assertDomainResult(sqlAst, Cat.class, "owner", Person.class, entityFetch -> {
            if (graphSemantic == GraphSemantic.LOAD) {
                assertThat(entityFetch, instanceOf(EntityFetchJoinedImpl.class));
                final EntityResult entityResult = ((EntityFetchJoinedImpl) entityFetch).getEntityResult();
                final Map<String, Class<? extends Fetch>> fetchClassByAttributeName = entityResult.getFetches().stream().collect(Collectors.toMap(fetch -> fetch.getFetchedMapping().getPartName(), Fetch::getClass));
                final Map<String, Class<? extends Fetch>> expectedFetchClassByAttributeName = new HashMap<>();
                expectedFetchClassByAttributeName.put("pets", DelayedCollectionFetch.class);
                expectedFetchClassByAttributeName.put("homeAddress", EmbeddableFetchImpl.class);
                expectedFetchClassByAttributeName.put("company", EntityDelayedFetchImpl.class);
                assertThat(fetchClassByAttributeName, is(expectedFetchClassByAttributeName));
            }
        });
    });
}