Example usage for java.util Optional of

Introduction

In this page you can find the example usage for java.util Optional of.

Prototype

public static <T> Optional<T> of(T value)

Source Link

Document

Returns an Optional describing the given non- null value.

Usage

From source file:org.jhk.pulsing.web.dao.prod.db.sql.MySqlUserDao.java

public Optional<User> getUser(UserId userId) {
    _LOGGER.debug("MySqlUserDao.getUser" + userId);

    MUser mUser = getSession().find(MUser.class, userId.getId());

    if (mUser != null) {
        _LOGGER.debug("User is " + mUser);
        return Optional.of(AvroMySqlMappers.mySqlToAvro(mUser));
    } else {/*from  www  .  java2  s. c o  m*/
        return Optional.empty();
    }
}

From source file:org.trustedanalytics.cloud.cc.api.CcOrg.java

@JsonIgnore
public String getStatus() {
    Optional<CcOrg> org = Optional.of(this);
    return org.map(CcOrg::getEntity).map(CcOrgEntity::getStatus).orElse(null);
}

From source file:com.qpark.eip.core.sftp.SftpDownload.java

/**
 * Get the {@link Optional} of the file content. This could be empty,
 * because possibly another thread already read the content of the file path
 * and removed it.//w ww.  jav  a2 s.c o  m
 *
 * @param filePath
 *            the file path.
 * @return the {@link Optional} of the file content.
 */
private Optional<byte[]> getFilePathContent(final String filePath) {
    Optional<byte[]> value = Optional.empty();
    try {
        final byte[] fileContent = this.sftpGateway.retrieveAndRead(filePath);
        value = Optional.of(fileContent);
    } catch (final Exception e) {
        // The file was eventually read by another thread.
    }
    return value;
}

From source file:org.openwms.tms.RedirectTODocumentation.java

public @Test void testRedirectToUnknownLocationGroupButLoc() throws Exception {
    // setup ...//from w  w w. j  a  v a 2  s  .  co m
    CreateTransportOrderVO vo = createTO();
    postTOAndValidate(vo, NOTLOGGED);
    vo.setTarget(UNKNOWN);
    given(commonGateway.getLocationGroup(UNKNOWN)).willReturn(Optional.empty());
    given(commonGateway.getLocation(UNKNOWN)).willReturn(Optional.of(INIT_LOC));

    // test ...
    sendPatch(vo, status().isNoContent(), "to-patch-target-unknown-loc");
}

From source file:jp.toastkid.script.runner.JavaScriptRunner.java

@Override
public Optional<String> run(final String script) {

    if (StringUtils.isEmpty(script)) {
        return Optional.empty();
    }//from  w w  w  .j  a  v  a  2 s .  c o m
    final StringBuilder result = new StringBuilder();

    try (final StringWriter writer = new StringWriter();) {
        final ScriptContext context = engine.getContext();
        context.setWriter(writer);
        context.setErrorWriter(writer);

        final java.lang.Object run = engine.eval(script);
        result.append(writer.toString()).append(LINE_SEPARATOR);
        if (run != null) {
            result.append("return = ").append(run.toString());
        }
        writer.close();
    } catch (final CompilationFailedException | IOException | ScriptException e) {
        e.printStackTrace();
        result.append("Occurred Exception.").append(LINE_SEPARATOR).append(e.getMessage());
    }
    return Optional.of(result.toString());
}

From source file:ch.zweivelo.renderer.simple.shapes.ShapeTest.java

@Test
public void testIntersect() throws Exception {
    Shape testShape;//www  .j a  v a2  s. com
    Optional<CollisionInformation> collisionInformationOptional;

    testShape = ray1 -> Optional.empty();
    collisionInformationOptional = testShape.intersect(ray);
    assertNotNull(collisionInformationOptional);
    assertFalse(collisionInformationOptional.isPresent());

    testShape = ray1 -> Optional.of(1d);
    collisionInformationOptional = testShape.intersect(ray);
    assertNotNull(collisionInformationOptional);
    CollisionInformation collisionInformation = collisionInformationOptional.get();
    assertNotNull(collisionInformation.getShape());
    assertEquals(Vector3D.PLUS_I, collisionInformation.getPoint());
}

From source file:org.leandreck.endpoints.examples.abstractbase.BaseEndpoint.java

@RequestMapping(value = "/{id}", method = GET, produces = APPLICATION_JSON_VALUE)
public Optional<T> read(@PathVariable String id) {
    // do something
    return Optional.of(useLessField);
}

From source file:fi.luontola.cqrshotel.ApiControllerTest.java

@Before
public void initMocks() {
    stub(pricingEngine.getAccommodationPrice(any(LocalDate.class))).toReturn(Optional.of(pricePerDay));
}

From source file:com.ikanow.aleph2.data_model.utils.TestCrudServiceUtils.java

@Test
public void test_readOnlyCrudService() {
    final MockManagementCrudService<String> mock_crud = new MockManagementCrudService<String>();
    final ReadOnlyCrudService<String> ro_crud = new ReadOnlyCrudService<>(mock_crud);

    // Add a few dummy entries
    mock_crud.setMockValues(Arrays.asList("test1", "test2"));

    test_readOnly(ro_crud, mock_crud);/*from   ww  w  . j  ava  2s .  c o m*/

    assertEquals(Optional.of(ro_crud), ro_crud.getCrudService());
}

From source file:org.trustedanalytics.cloud.cc.api.CcSpace.java

@JsonIgnore
public UUID getOrgGuid() {
    Optional<CcSpace> space = Optional.of(this);
    return space.map(CcSpace::getEntity).map(CcSpaceEntity::getOrgGuid).orElse(null);
}