Example usage for java.util.concurrent.atomic AtomicReference AtomicReference

Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicReference AtomicReference.

Prototype

public AtomicReference() 

Source Link

Document

Creates a new AtomicReference with null initial value.

Usage

From source file:com.networknt.basic.BasicAuthHandlerTest.java

@Test
public void testEncryptedPassword() throws Exception {
    final Http2Client client = Http2Client.getInstance();
    final CountDownLatch latch = new CountDownLatch(1);
    final ClientConnection connection;
    try {/*from   w  w  w .ja  va 2s .  co  m*/
        connection = client.connect(new URI("http://localhost:17352"), Http2Client.WORKER, Http2Client.SSL,
                Http2Client.BUFFER_POOL, OptionMap.EMPTY).get();
    } catch (Exception e) {
        throw new ClientException(e);
    }
    final AtomicReference<ClientResponse> reference = new AtomicReference<>();
    try {
        ClientRequest request = new ClientRequest().setPath("/v2/pet").setMethod(Methods.GET);
        request.getRequestHeaders().put(Headers.HOST, "localhost");
        request.getRequestHeaders().put(Headers.AUTHORIZATION,
                "BASIC " + encodeCredentials("user2", "password"));
        connection.sendRequest(request, client.createClientCallback(reference, latch));
        latch.await();
    } catch (Exception e) {
        logger.error("Exception: ", e);
        throw new ClientException(e);
    } finally {
        IoUtils.safeClose(connection);
    }
    int statusCode = reference.get().getResponseCode();
    Assert.assertEquals(200, statusCode);
    if (statusCode == 200) {
        Assert.assertNotNull(reference.get().getAttachment(Http2Client.RESPONSE_BODY));
    }
}

---

From source file:com.cloudera.oryx.app.serving.als.model.ALSServingModel.java

/**
 * Creates an empty model./*from  w  w w .  j  a v  a 2 s .  c o m*/
 *
 * @param features number of features expected for user/item feature vectors
 * @param implicit whether model implements implicit feedback
 * @param sampleRate consider only approximately this fraction of all items when making recommendations.
 *  Candidates are chosen intelligently with locality sensitive hashing.
 * @param rescorerProvider optional instance of a {@link RescorerProvider}
 */
ALSServingModel(int features, boolean implicit, double sampleRate, RescorerProvider rescorerProvider) {
    Preconditions.checkArgument(features > 0);
    Preconditions.checkArgument(sampleRate > 0.0 && sampleRate <= 1.0);

    lsh = new LocalitySensitiveHash(sampleRate, features);

    X = new FeatureVectors();
    Y = new FeatureVectors[lsh.getNumPartitions()];
    for (int i = 0; i < Y.length; i++) {
        Y[i] = new FeatureVectors();
    }
    yPartitionMap = HashObjIntMaps.newMutableMap();
    yPartitionMapLock = new AutoReadWriteLock();

    knownItems = HashObjObjMaps.newMutableMap();
    knownItemsLock = new AutoReadWriteLock();

    expectedUserIDs = HashObjSets.newMutableSet();
    expectedUserIDsLock = new AutoReadWriteLock();
    expectedItemIDs = HashObjSets.newMutableSet();
    expectedItemIDsLock = new AutoReadWriteLock();

    cachedYTYSolver = new AtomicReference<>();

    this.features = features;
    this.implicit = implicit;
    this.rescorerProvider = rescorerProvider;
}

---

From source file:com.joyent.manta.client.MantaSeekableByteChannel.java

/**
 * Creates a new instance of a read-only seekable byte channel.
 *
 * @param path path of the object on the Manta API
 * @param position starting position in bytes from the start of the file
 * @param httpHelper helper class providing useful HTTP functions
 *//* w w  w .  j  ava 2s .  c  o m*/
public MantaSeekableByteChannel(final String path, final long position, final HttpHelper httpHelper) {
    this.path = path;
    this.position = new AtomicLong(position);
    this.httpHelper = httpHelper;
    this.requestRef = new AtomicReference<>();
    this.responseStream = new AtomicReference<>();
}

---

From source file:eu.eubrazilcc.lvl.oauth2.rest.LinkedInAuthz.java

@GET
@Path("callback")
public Response authorize(final @Context HttpServletRequest request) {
    final String code = parseQuery(request, "code");
    final String state = parseQuery(request, "state");
    final AtomicReference<String> redirectUriRef = new AtomicReference<String>(),
            callbackRef = new AtomicReference<String>();
    if (!LINKEDIN_STATE_DAO.isValid(state, redirectUriRef, callbackRef)) {
        throw new NotAuthorizedException(status(UNAUTHORIZED).build());
    }//from   ww w.j a v  a  2  s  .c o m
    URI callback_uri = null;
    Map<String, String> map = null;
    try {
        final List<NameValuePair> form = form().add("grant_type", "authorization_code").add("code", code)
                .add("redirect_uri", redirectUriRef.get()).add("client_id", CONFIG_MANAGER.getLinkedInAPIKey())
                .add("client_secret", CONFIG_MANAGER.getLinkedInSecretKey()).build();
        // exchange authorization code for a request token
        final long issuedAt = currentTimeMillis() / 1000l;
        String response = Request.Post("https://www.linkedin.com/uas/oauth2/accessToken")
                .addHeader("Accept", "application/json").bodyForm(form).execute().returnContent().asString();
        map = JSON_MAPPER.readValue(response, new TypeReference<HashMap<String, String>>() {
        });
        final String accessToken = map.get("access_token");
        final long expiresIn = parseLong(map.get("expires_in"));
        checkState(isNotBlank(accessToken), "Uninitialized or invalid access token: " + accessToken);
        checkState(expiresIn > 0l, "Uninitialized or invalid expiresIn: " + expiresIn);
        // retrieve user profile data
        final URIBuilder uriBuilder = new URIBuilder(
                "https://api.linkedin.com/v1/people/~:(id,first-name,last-name,industry,positions,email-address)");
        uriBuilder.addParameter("format", "json");
        response = Request.Get(uriBuilder.build()).addHeader("Authorization", "Bearer " + accessToken).execute()
                .returnContent().asString();
        final LinkedInMapper linkedInMapper = createLinkedInMapper().readObject(response);
        final String userId = linkedInMapper.getUserId();
        final String emailAddress = linkedInMapper.getEmailAddress();
        // register or update user in the database
        final String ownerid = toResourceOwnerId(LINKEDIN_IDENTITY_PROVIDER, userId);
        ResourceOwner owner = RESOURCE_OWNER_DAO.find(ownerid);
        if (owner == null) {
            final User user = User.builder().userid(userId).provider(LINKEDIN_IDENTITY_PROVIDER)
                    .email(emailAddress).password("password").firstname(linkedInMapper.getFirstName())
                    .lastname(linkedInMapper.getLastName()).industry(linkedInMapper.getIndustry().orNull())
                    .positions(linkedInMapper.getPositions().orNull()).roles(newHashSet(USER_ROLE))
                    .permissions(asPermissionSet(userPermissions(ownerid))).build();
            owner = ResourceOwner.builder().user(user).build();
            RESOURCE_OWNER_DAO.insert(owner);
        } else {
            owner.getUser().setEmail(emailAddress);
            owner.getUser().setFirstname(linkedInMapper.getFirstName());
            owner.getUser().setLastname(linkedInMapper.getLastName());
            owner.getUser().setIndustry(linkedInMapper.getIndustry().orNull());
            owner.getUser().setPositions(linkedInMapper.getPositions().orNull());
            RESOURCE_OWNER_DAO.update(owner);
        }
        // register access token in the database
        final AccessToken accessToken2 = AccessToken.builder().token(accessToken).issuedAt(issuedAt)
                .expiresIn(expiresIn).scope(asPermissionList(oauthScope(owner, false))).ownerId(ownerid)
                .build();
        TOKEN_DAO.insert(accessToken2);
        // redirect to default portal endpoint
        callback_uri = new URI(callbackRef.get() + "?email=" + urlEncodeUtf8(emailAddress) + "&access_token="
                + urlEncodeUtf8(accessToken));
    } catch (Exception e) {
        String errorCode = null, message = null, status = null;
        if (e instanceof IllegalStateException && map != null) {
            errorCode = map.get("errorCode");
            message = map.get("message");
            status = map.get("status");
        }
        LOGGER.error("Failed to authorize LinkedIn user [errorCode=" + errorCode + ", status=" + status
                + ", message=" + message + "]", e);
        throw new WebApplicationException(status(INTERNAL_SERVER_ERROR)
                .header("WWW-Authenticate", "Bearer realm='" + RESOURCE_NAME + "', error='invalid-code'")
                .build());
    } finally {
        LINKEDIN_STATE_DAO.delete(state);
    }
    return Response.seeOther(callback_uri).build();
}

---

From source file:com.networknt.openapi.ValidatorHandlerTest.java

@Test
public void testInvalidMethod() throws Exception {
    final Http2Client client = Http2Client.getInstance();
    final CountDownLatch latch = new CountDownLatch(1);
    final ClientConnection connection;
    try {// w w w .  j  a v a2  s. c o m
        connection = client.connect(new URI("http://localhost:8080"), Http2Client.WORKER, Http2Client.SSL,
                Http2Client.POOL, OptionMap.EMPTY).get();
    } catch (Exception e) {
        throw new ClientException(e);
    }
    final AtomicReference<ClientResponse> reference = new AtomicReference<>();
    try {
        ClientRequest request = new ClientRequest().setPath("/v1/pets").setMethod(Methods.DELETE);
        connection.sendRequest(request, client.createClientCallback(reference, latch));
        latch.await();
    } catch (Exception e) {
        logger.error("Exception: ", e);
        throw new ClientException(e);
    } finally {
        IoUtils.safeClose(connection);
    }
    int statusCode = reference.get().getResponseCode();
    Assert.assertEquals(405, statusCode);
    if (statusCode == 405) {
        Status status = Config.getInstance().getMapper()
                .readValue(reference.get().getAttachment(Http2Client.RESPONSE_BODY), Status.class);
        Assert.assertNotNull(status);
        Assert.assertEquals("ERR10008", status.getCode());
    }
}

---

From source file:com.jayway.restassured.itest.java.FilterITest.java

@Test
public void content_type_in_filter_contains_charset_by_default() {
    final AtomicReference<String> contentType = new AtomicReference<String>();

    given().filter(new Filter() {
        public Response filter(FilterableRequestSpecification requestSpec,
                FilterableResponseSpecification responseSpec, FilterContext ctx) {
            contentType.set(requestSpec.getRequestContentType());
            return ctx.next(requestSpec, responseSpec);
        }/*from w  ww  .ja  v a 2 s  .  co m*/
    }).formParam("firstName", "John").formParam("lastName", "Doe").when().post("/greet").then().statusCode(200);

    assertThat(contentType.get(), equalTo("application/x-www-form-urlencoded; charset=ISO-8859-1"));
}

---

From source file:io.restassured.itest.java.FilterITest.java

@Test
public void content_type_in_filter_contains_charset_by_default() {
    final AtomicReference<String> contentType = new AtomicReference<String>();

    given().filter(new Filter() {
        public Response filter(FilterableRequestSpecification requestSpec,
                FilterableResponseSpecification responseSpec, FilterContext ctx) {
            contentType.set(requestSpec.getContentType());
            return ctx.next(requestSpec, responseSpec);
        }// ww w.  j  a va2  s. c  o m
    }).formParam("firstName", "John").formParam("lastName", "Doe").when().post("/greet").then().statusCode(200);

    assertThat(contentType.get(), equalTo("application/x-www-form-urlencoded; charset=ISO-8859-1"));
}

---

From source file:com.splout.db.common.TestUtils.java

/**
 * Returns a DNode instance if, after a maximum of X trials, we can find a port to bind it to.
 * The configuration passed by instance might have been modified accordingly.
 *//*w w  w  . j a v a  2  s. c  om*/
public static DNode getTestDNode(final SploutConfiguration testConfig, final IDNodeHandler handler,
        final String dataFolder, boolean deleteDataFolder) throws Throwable {
    final AtomicReference<DNode> reference = new AtomicReference<DNode>();
    testConfig.setProperty(DNodeProperties.DATA_FOLDER, dataFolder);
    if (deleteDataFolder) {
        File file = new File(dataFolder);
        if (file.exists()) {
            FileUtils.deleteDirectory(file);
        }
        file.mkdir();
    }
    testConfig.setProperty(FetcherProperties.TEMP_DIR, "fetcher-" + dataFolder);
    File fetcherTmp = new File("fetcher-" + dataFolder);
    if (fetcherTmp.exists()) {
        FileUtils.deleteDirectory(fetcherTmp);
    }
    fetcherTmp.mkdir();
    CatchAndRetry dNodeInit = new CatchAndRetry(TTransportException.class, 50) {

        @Override
        public void businessLogic() throws Throwable {
            DNode dNode = new DNode(testConfig, handler);
            dNode.init();
            reference.set(dNode);
        }

        @Override
        public void retryLogic() {
            testConfig.setProperty(DNodeProperties.PORT, testConfig.getInt(DNodeProperties.PORT) + 1);
        }
    };
    dNodeInit.catchAndRetry();
    return reference.get();
}

---

From source file:com.github.jdye64.processors.provenance.ProvenanceEventsToPhoenix.java

@Override
public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {

    final FlowFile flowFile = session.get();
    if (flowFile == null) {
        return;/*from   w  ww  .jav  a2  s . c  o m*/
    }

    String tableName = context.getProperty(PHOENIX_TABLE_NAME).evaluateAttributeExpressions(flowFile)
            .getValue();

    StringBuffer buffer = new StringBuffer();
    buffer.append(PREPEND_UPSERT);
    buffer.append(tableName);
    buffer.append(PROV_UPSERT_PREDICATES);
    buffer.append(PROV_PREP_VALUES);

    try {

        AtomicReference<JSONArray> provEvents = new AtomicReference<>();

        session.read(flowFile, new InputStreamCallback() {
            @Override
            public void process(InputStream in) throws IOException {
                StringWriter writer = new StringWriter();
                IOUtils.copy(in, writer, "UTF-8");
                provEvents.set(new JSONArray(writer.toString()));
            }
        });

        JSONArray events = provEvents.get();

        for (int i = 0; i < events.length(); i++) {
            JSONObject obj = events.getJSONObject(i);
            Map<String, String> attributes = generateAttributes(obj, tableName);

            FlowFile ff = session.write(session.clone(flowFile), new OutputStreamCallback() {
                @Override
                public void process(OutputStream out) throws IOException {
                    out.write(buffer.toString().getBytes());
                }
            });

            ff = session.putAllAttributes(ff, attributes);
            session.transfer(ff, REL_SUCCESS);
        }

        session.remove(flowFile);

    } catch (Exception ex) {
        getLogger().error("Error converting provenance event into Phoenix prepared statement {}",
                new Object[] { ex.getMessage() }, ex);
        session.transfer(flowFile, REL_FAILURE);
    }
}

---

From source file:io.undertow.server.handlers.sse.ServerSentEventTestCase.java

@Test
public void testProgressiveSSEWithCompression() throws IOException {
    final AtomicReference<ServerSentEventConnection> connectionReference = new AtomicReference<>();
    DecompressingHttpClient client = new DecompressingHttpClient(new TestHttpClient());
    try {// w  w w  .j av  a  2 s  .  c  o m

        DefaultServer.setRootHandler(new EncodingHandler(new ContentEncodingRepository()
                .addEncodingHandler("deflate", new DeflateEncodingProvider(), 50))
                        .setNext(new ServerSentEventHandler(new ServerSentEventConnectionCallback() {
                            @Override
                            public void connected(ServerSentEventConnection connection, String lastEventId) {
                                connectionReference.set(connection);
                                connection.send("msg 1", new ServerSentEventConnection.EventCallback() {
                                    @Override
                                    public void done(ServerSentEventConnection connection, String data,
                                            String event, String id) {

                                    }

                                    @Override
                                    public void failed(ServerSentEventConnection connection, String data,
                                            String event, String id, IOException e) {
                                        e.printStackTrace();
                                        IoUtils.safeClose(connection);
                                    }
                                });
                            }
                        })));

        HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/");
        HttpResponse result = client.execute(get);
        Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
        InputStream stream = result.getEntity().getContent();
        assertData(stream, "data:msg 1\n\n");
        connectionReference.get().send("msg 2");
        assertData(stream, "data:msg 2\n\n");
        connectionReference.get().close();
    } finally {
        client.getConnectionManager().shutdown();
    }
}

---

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