Examples of org.apache.olingo.odata2.api.edm.provider.NavigationProperty

Package org.apache.olingo.odata2.api.edm.provider

Examples of org.apache.olingo.odata2.api.edm.provider.NavigationProperty

org.apache.olingo.odata2.api.ep.entry.ODataEntry
Objects of this Class represent a navigation property

  private class JPAEdmNavigationPropertyBuilder implements JPAEdmBuilder {


    @Override
    public void build() throws ODataJPAModelException {


      currentNavigationProperty = new NavigationProperty();
      JPAEdmNameBuilder.build(associationView, propertyView, JPAEdmNavigationProperty.this, count);
      consistentNavigationProperties.add(currentNavigationProperty);
    }

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      final JPAEdmNavigationPropertyView navPropertyView, final int count) {


    String toName = null;
    String fromName = null;
    String navPropName = null;
    NavigationProperty navProp = navPropertyView.getEdmNavigationProperty();
    String namespace = buildNamespace(associationView);


    Association association = associationView.getEdmAssociation();
    navProp.setRelationship(new FullQualifiedName(namespace, association
        .getName()));


    FullQualifiedName associationEndTypeOne = association.getEnd1()
        .getType();
    FullQualifiedName associationEndTypeTwo = association.getEnd2()
        .getType();


    Attribute<?, ?> jpaAttribute = propertyView.getJPAAttribute();
    navProp.setMapping(new Mapping().setInternalName(jpaAttribute.getName()));


    String jpaEntityTypeName = propertyView.getJPAEdmEntityTypeView()
        .getJPAEntityType().getName();
    JPAEdmMappingModelAccess mappingModelAccess = navPropertyView
        .getJPAEdmMappingModelAccess();


    String targetEntityTypeName = null;
    if (jpaAttribute.isCollection()) {
      targetEntityTypeName = ((PluralAttribute<?, ?, ?>) jpaAttribute).getElementType().getJavaType().getSimpleName();
    } else {
      targetEntityTypeName = jpaAttribute.getJavaType().getSimpleName();
    }


    if (mappingModelAccess != null
        && mappingModelAccess.isMappingModelExists()) {
      navPropName = mappingModelAccess.mapJPARelationship(
          jpaEntityTypeName, jpaAttribute.getName());
      toName = mappingModelAccess.mapJPAEntityType(targetEntityTypeName);
      fromName = mappingModelAccess
          .mapJPAEntityType(jpaEntityTypeName);
    }
    if (toName == null) {
      toName = targetEntityTypeName;
    }


    if (fromName == null) {
      fromName = jpaEntityTypeName;
    }


    if (navPropName == null) {
      navPropName = toName.concat(NAVIGATION_NAME);
    }
    if (count > 1) {
      navPropName = navPropName + Integer.toString(count - 1);
    }
    navProp.setName(navPropName);


    if (toName.equals(associationEndTypeOne.getName())) {
      navProp.setFromRole(association.getEnd2().getRole());
      navProp.setToRole(association.getEnd1().getRole());
    } else if (toName.equals(associationEndTypeTwo.getName())) {


      navProp.setToRole(association.getEnd2().getRole());
      navProp.setFromRole(association.getEnd1().getRole());
    }
  }

View Full Code Here

            keyProperties.add(createKeyProperty(ep, field));
          }
        }
        EdmNavigationProperty enp = field.getAnnotation(EdmNavigationProperty.class);
        if (enp != null) {
          final NavigationProperty navProperty = createNavigationProperty(namespace, enp, field);
          navProperties.add(navProperty);
          Association association = createAssociation(field, navProperty);
          associations.add(association);
        }
        EdmMediaResourceContent emrc = field.getAnnotation(EdmMediaResourceContent.class);

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      return cp;
    }


    private NavigationProperty createNavigationProperty(final String namespace, final EdmNavigationProperty enp,
        final Field field) {
      NavigationProperty navProp = new NavigationProperty();
      navProp.setName(ANNOTATION_HELPER.getPropertyName(field));
      String fromRole = ANNOTATION_HELPER.extractFromRoleName(enp, field);
      navProp.setFromRole(fromRole);


      String toRole = ANNOTATION_HELPER.extractToRoleName(enp, field);
      navProp.setToRole(toRole);


      String relationshipName = ANNOTATION_HELPER.extractRelationshipName(enp, field);
      navProp.setRelationship(new FullQualifiedName(namespace, relationshipName));


      return navProp;
    }

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            // $count
            try {
                final String stringCount = new String(EntityProvider.readBinary(content), ContentType.CHARSET_UTF_8);
                response = (T) Long.valueOf(stringCount);
            } catch (UnsupportedEncodingException e) {
                throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED, e);
            }
            break;


        case URI1:
        case URI6B:

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            break;


        case URI7A:
            // $links with 0..1 cardinality property
            final EdmEntitySet targetLinkEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties linkProperties =
                EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked")
            final Map<String, Object> linkMap = (Map<String, Object>) content;
            response = EntityProvider.writeLink(responseContentType, targetLinkEntitySet, linkMap, linkProperties);
            break;


        case URI7B:
            // $links with * cardinality property
            final EdmEntitySet targetLinksEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties linksProperties =
                EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked")
            final List<Map<String, Object>> linksMap = (List<Map<String, Object>>) content;
            response = EntityProvider.writeLinks(responseContentType, targetLinksEntitySet, linksMap, linksProperties);
            break;


        case URI1:
        case URI2:
        case URI6A:
        case URI6B:
            // Entity
            final EdmEntitySet targetEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties properties =
                EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked")
            final Map<String, Object> objectMap = (Map<String, Object>) content;
            response = EntityProvider.writeEntry(responseContentType, targetEntitySet, objectMap, properties);
            break;

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    @Test
    public void testReadEntry() throws Exception {
        final TestOlingo2ResponseHandler<ODataEntry> responseHandler = new TestOlingo2ResponseHandler<ODataEntry>();


        olingoApp.read(edm, TEST_MANUFACTURER, null, responseHandler);
        ODataEntry entry = responseHandler.await();
        LOG.info("Single Entry:  {}", prettyPrint(entry));


        responseHandler.reset();


        olingoApp.read(edm, TEST_CAR, null, responseHandler);
        entry = responseHandler.await();
        LOG.info("Single Entry:  {}", prettyPrint(entry));


        responseHandler.reset();
        final Map<String, String> queryParams = new HashMap<String, String>();
        queryParams.put(SystemQueryOption.$expand.toString(), CARS);


        olingoApp.read(edm, TEST_MANUFACTURER, queryParams, responseHandler);


        ODataEntry entryExpanded = responseHandler.await();
        LOG.info("Single Entry with expanded Cars relation:  {}", prettyPrint(entryExpanded));
    }

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        // create entry to update
        final TestOlingo2ResponseHandler<ODataEntry> entryHandler = new TestOlingo2ResponseHandler<ODataEntry>();


        olingoApp.create(edm, MANUFACTURERS, getEntityData(), entryHandler);


        ODataEntry createdEntry = entryHandler.await();
        LOG.info("Created Entry:  {}", prettyPrint(createdEntry));


        Map<String, Object> data = getEntityData();
        @SuppressWarnings("unchecked")
        Map<String, Object> address = (Map<String, Object>) data.get(ADDRESS);


        data.put("Name", "MyCarManufacturer Renamed");
        address.put("Street", "Main Street");
        final TestOlingo2ResponseHandler<HttpStatusCodes> statusHandler =
            new TestOlingo2ResponseHandler<HttpStatusCodes>();


        olingoApp.update(edm, TEST_CREATE_MANUFACTURER, data, statusHandler);
        statusHandler.await();


        statusHandler.reset();
        data.put("Name", "MyCarManufacturer Patched");
        olingoApp.patch(edm, TEST_CREATE_MANUFACTURER, data, statusHandler);
        statusHandler.await();


        entryHandler.reset();
        olingoApp.read(edm, TEST_CREATE_MANUFACTURER, null, entryHandler);


        ODataEntry updatedEntry = entryHandler.await();
        LOG.info("Updated Entry successfully:  {}", prettyPrint(updatedEntry));


        statusHandler.reset();
        olingoApp.delete(TEST_CREATE_MANUFACTURER,  statusHandler);

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        assertNotNull(responseParts.get(0).getBody());
        final ODataFeed feed = (ODataFeed) responseParts.get(1).getBody();
        assertNotNull(feed);
        LOG.info("Batch feed:  {}", prettyPrint(feed));


        ODataEntry dataEntry = (ODataEntry) responseParts.get(2).getBody();
        assertNotNull(dataEntry);
        LOG.info("Batch read entry:  {}", prettyPrint(dataEntry));


        dataEntry = (ODataEntry) responseParts.get(3).getBody();
        assertNotNull(dataEntry);

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    // execute
    XmlEntityConsumer xec = new XmlEntityConsumer();
    EntityProviderReadProperties consumerProperties = EntityProviderReadProperties.init()
        .mergeSemantic(false).build();


    ODataEntry entry = xec.readEntry(entitySet, reqContent, consumerProperties);
    // validate
    assertNotNull(entry);
    Map<String, Object> properties = entry.getProperties();
    assertEquals("1", properties.get("Id"));
    assertEquals("Team 1", properties.get("Name"));
    assertEquals(Boolean.FALSE, properties.get("isScrumTeam"));
    //
    ExpandSelectTreeNode expandTree = entry.getExpandSelectTree();
    assertNotNull(expandTree);
    // TODO: do more testing here
    //
    ODataFeed employeesFeed = (ODataFeed) properties.get("nt_Employees");
    List<ODataEntry> employees = employeesFeed.getEntries();
    assertEquals(3, employees.size());
    //
    ODataEntry employeeNo2 = employees.get(1);
    Map<String, Object> employessNo2Props = employeeNo2.getProperties();
    assertEquals("Frederic Fall", employessNo2Props.get("EmployeeName"));
    assertEquals("2", employessNo2Props.get("RoomId"));
    assertEquals(32, employessNo2Props.get("Age"));
    @SuppressWarnings("unchecked")
    Map<String, Object> emp2Location = (Map<String, Object>) employessNo2Props.get("Location");

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