Example usage for java.util Set stream

Introduction

In this page you can find the example usage for java.util Set stream.

Prototype

default Stream<E> stream() 

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:com.ge.predix.acs.policy.evaluation.cache.AbstractPolicyEvaluationCache.java

@Override
public void resetForSubjectsByIds(final String zoneId, final Set<String> subjectIds) {
    multisetForSubjects(zoneId, subjectIds.stream().collect(Collectors.toList()));
}

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From source file:io.pravega.client.stream.impl.ReaderGroupStateManager.java

/**
 * Given a set of segments returns one to release. The one returned is arbitrary.
 */// w w w.  j a  v  a2s.  c  o m
private Segment findSegmentToRelease() {
    Set<Segment> segments = sync.getState().getSegments(readerId);
    return segments.stream().max((s1, s2) -> Double.compare(hashHelper.hashToRange(s1.getScopedName()),
            hashHelper.hashToRange(s2.getScopedName()))).orElse(null);
}

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From source file:com.ge.predix.acs.policy.evaluation.cache.AbstractPolicyEvaluationCache.java

@Override
public void resetForResourcesByIds(final String zoneId, final Set<String> resourceIds) {
    multisetForResources(zoneId, resourceIds.stream().collect(Collectors.toList()));
}

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From source file:ai.grakn.graql.internal.gremlin.GraqlTraversal.java

private GraqlTraversal(GraknGraph graph, Set<? extends List<Fragment>> fragments) {
    this.graph = graph;
    this.fragments = fragments.stream().map(ImmutableList::copyOf).collect(toImmutableSet());
}

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From source file:com.devicehive.auth.rest.providers.JwtTokenAuthenticationProvider.java

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {

    String token = (String) authentication.getPrincipal();
    try {/*from   w ww . j  a va  2 s  .c o  m*/
        JwtPayload jwtPayload = jwtClientService.getPayload(token);

        if (jwtPayload == null
                || (jwtPayload.getExpiration() != null
                        && jwtPayload.getExpiration().before(timestampService.getDate()))
                || jwtPayload.getTokenType().equals(TokenType.REFRESH)) {
            throw new BadCredentialsException("Unauthorized");
        }
        logger.debug("Jwt token authentication successful");

        HivePrincipal principal = new HivePrincipal();
        if (jwtPayload.getUserId() != null) {
            UserVO userVO = userService.findById(jwtPayload.getUserId());
            principal.setUser(userVO);
        }

        Set<String> networkIds = jwtPayload.getNetworkIds();
        if (networkIds != null) {
            if (networkIds.contains("*")) {
                principal.setAllNetworksAvailable(true);
            } else {
                principal.setNetworkIds(networkIds.stream().map(Long::valueOf).collect(Collectors.toSet()));
            }
        }

        Set<String> deviceGuids = jwtPayload.getDeviceGuids();
        if (deviceGuids != null) {
            if (deviceGuids.contains("*")) {
                principal.setAllDevicesAvailable(true);
            } else {
                principal.setDeviceGuids(deviceGuids);
            }
        }

        Set<String> availableActions = jwtPayload.getActions();
        if (availableActions != null) {
            if (availableActions.contains("*")) {
                principal.setActions(AvailableActions.getAllHiveActions());
            } else if (availableActions.isEmpty()) {
                principal.setActions(AvailableActions.getClientHiveActions());
            } else {
                principal.setActions(
                        availableActions.stream().map(HiveAction::fromString).collect(Collectors.toSet()));
            }
        }

        return new HiveAuthentication(principal, AuthorityUtils.createAuthorityList(HiveRoles.JWT));

    } catch (Exception e) {
        throw new BadCredentialsException("Unauthorized");
    }
}

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From source file:com.devicehive.service.DeviceCommandServiceTest.java

@Test
@DirtiesContext(methodMode = DirtiesContext.MethodMode.BEFORE_METHOD)
public void testFindCommandsByGuid() throws Exception {
    final List<String> guids = IntStream.range(0, 5).mapToObj(i -> UUID.randomUUID().toString())
            .collect(Collectors.toList());
    final Date timestampSt = timestampService.getDate();
    final Date timestampEnd = timestampService.getDate();
    final String parameters = "{\"param1\":\"value1\",\"param2\":\"value2\"}";

    final Set<String> guidsForSearch = new HashSet<>(Arrays.asList(guids.get(0), guids.get(2), guids.get(3)));

    final Map<String, DeviceCommand> commandMap = guidsForSearch.stream()
            .collect(Collectors.toMap(Function.identity(), guid -> {
                DeviceCommand command = new DeviceCommand();
                command.setId(System.nanoTime());
                command.setDeviceGuid(guid);
                command.setCommand(RandomStringUtils.randomAlphabetic(10));
                command.setTimestamp(timestampService.getDate());
                command.setParameters(new JsonStringWrapper(parameters));
                command.setStatus(DEFAULT_STATUS);
                return command;
            }));//from   ww  w  .  j a  v a2 s . co  m

    when(requestHandler.handle(any(Request.class))).then(invocation -> {
        Request request = invocation.getArgumentAt(0, Request.class);
        String guid = request.getBody().cast(CommandSearchRequest.class).getGuid();
        CommandSearchResponse response = new CommandSearchResponse();
        response.setCommands(Collections.singletonList(commandMap.get(guid)));
        return Response.newBuilder().withBody(response).buildSuccess();
    });

    deviceCommandService.find(guidsForSearch, Collections.emptySet(), timestampSt, timestampEnd, DEFAULT_STATUS)
            .thenAccept(commands -> {
                assertEquals(3, commands.size());
                assertEquals(new HashSet<>(commandMap.values()), new HashSet<>(commands));
            }).get(15, TimeUnit.SECONDS);

    verify(requestHandler, times(3)).handle(argument.capture());
}

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From source file:com.devicehive.dao.riak.NetworkDaoRiakImpl.java

@Override
public List<NetworkWithUsersAndDevicesVO> getNetworksByIdsAndUsers(Long idForFiltering, Set<Long> networkdIds,
        Set<Long> permittedNetworks) {
    Set<Long> intersection = networkdIds;
    if (permittedNetworks != null) {
        intersection = networkdIds.stream().filter(permittedNetworks::contains).collect(Collectors.toSet());
    }/*  www  .j  a  v  a2s  .  c  o  m*/
    Stream<NetworkWithUsersAndDevicesVO> networkStream = intersection.stream()
            .map(this::findWithUsersAndDevices).filter(Optional::isPresent).map(Optional::get);
    if (idForFiltering != null) {
        networkStream = networkStream
                .filter(n -> n.getUsers().stream().anyMatch(u -> u.getId().equals(idForFiltering)));
    }
    return networkStream.collect(Collectors.toList());
}

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From source file:com.netflix.genie.core.jpa.services.JpaJobSearchServiceImplIntegrationTests.java

/**
 * Make sure we can get the correct number of jobs which are active on a given host.
 *
 * @throws GenieException on error// w w  w  .  j ava2s  . c  o m
 */
@Test
public void canFindActiveJobsByHostName() throws GenieException {
    final String hostA = "a.netflix.com";
    final String hostB = "b.netflix.com";
    final String hostC = "c.netflix.com";

    Set<Job> jobs = this.service.getAllActiveJobsOnHost(hostA);
    Assert.assertThat(jobs.size(), Matchers.is(1));
    Assert.assertThat(
            jobs.stream()
                    .filter(jobExecution -> JOB_2_ID
                            .equals(jobExecution.getId().orElseThrow(IllegalArgumentException::new)))
                    .count(),
            Matchers.is(1L));

    jobs = this.service.getAllActiveJobsOnHost(hostB);
    Assert.assertThat(jobs.size(), Matchers.is(1));
    Assert.assertThat(
            jobs.stream()
                    .filter(jobExecution -> JOB_3_ID
                            .equals(jobExecution.getId().orElseThrow(IllegalArgumentException::new)))
                    .count(),
            Matchers.is(1L));

    jobs = this.service.getAllActiveJobsOnHost(hostC);
    Assert.assertTrue(jobs.isEmpty());
}

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From source file:edu.zipcloud.cloudstreetmarket.api.services.StockProductServiceOnlineImpl.java

private void updateStocksAndQuotesFromYahoo(Set<StockProduct> askedContent) {
    if (askedContent.isEmpty()) {
        return;/*  w  w  w  .  ja v  a2  s .  c  om*/
    }

    Set<StockProduct> recentlyUpdated = askedContent.stream()
            .filter(t -> t.getLastUpdate() != null && DateUtil.isRecent(t.getLastUpdate(), 1))
            .collect(Collectors.toSet());

    if (askedContent.size() != recentlyUpdated.size()) {

        String guid = AuthenticationUtil.getPrincipal().getUsername();
        SocialUser socialUser = usersConnectionRepository.getRegisteredSocialUser(guid);
        if (socialUser == null) {
            return;
        }
        String token = socialUser.getAccessToken();
        Connection<Yahoo2> connection = connectionRepository.getPrimaryConnection(Yahoo2.class);

        if (connection != null) {
            askedContent.removeAll(recentlyUpdated);

            Map<String, StockProduct> updatableTickers = askedContent.stream()
                    .collect(Collectors.toMap(StockProduct::getId, Function.identity()));

            List<YahooQuote> yahooQuotes = connection.getApi().financialOperations()
                    .getYahooQuotes(new ArrayList<String>(updatableTickers.keySet()), token);

            Set<StockProduct> updatableProducts = yahooQuotes.stream()
                    .filter(yq -> StringUtils.isNotBlank(yq.getExchange()))
                    .filter(yq -> updatableTickers.get(yq.getId()) != null).map(yq -> {
                        StockQuote sq = new StockQuote(yq, updatableTickers.get((yq.getId())));
                        return syncProduct(updatableTickers.get((yq.getId())), sq);
                    }).collect(Collectors.toSet());

            if (!updatableProducts.isEmpty()) {
                stockProductRepository.save(updatableProducts);
            }

            //This job below should decrease with the time
            Set<StockProduct> removableProducts = yahooQuotes.stream()
                    .filter(yq -> StringUtils.isBlank(yq.getExchange())).map(yq -> {
                        StockQuote sq = new StockQuote(yq, updatableTickers.get((yq.getId())));
                        return syncProduct(updatableTickers.get((yq.getId())), sq);
                    }).collect(Collectors.toSet());

            if (!removableProducts.isEmpty()) {
                stockProductRepository.delete(removableProducts);
            }
        }
    }
}

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From source file:edu.zipcloud.cloudstreetmarket.core.services.StockProductServiceOfflineImpl.java

private void updateStocksAndQuotesFromYahoo(Set<StockProduct> askedContent) {
    if (askedContent.isEmpty()) {
        return;//from   w w  w  . ja  v a2s .  co m
    }

    Set<StockProduct> recentlyUpdated = askedContent.stream()
            .filter(t -> t.getLastUpdate() != null && DateUtil.isRecent(t.getLastUpdate(), 1))
            .collect(Collectors.toSet());

    if (askedContent.size() != recentlyUpdated.size()) {

        String guid = AuthenticationUtil.getPrincipal().getUsername();

        String token = usersConnectionRepository.getRegisteredSocialUser(guid).getAccessToken();
        ConnectionRepository connectionRepository = usersConnectionRepository.createConnectionRepository(guid);
        Connection<Yahoo2> connection = connectionRepository.getPrimaryConnection(Yahoo2.class);

        if (connection != null) {
            askedContent.removeAll(recentlyUpdated);

            Map<String, StockProduct> updatableTickers = askedContent.stream()
                    .collect(Collectors.toMap(StockProduct::getId, Function.identity()));

            List<YahooQuote> yahooQuotes = connection.getApi().financialOperations()
                    .getYahooQuotes(new ArrayList<String>(updatableTickers.keySet()), token);

            Set<StockProduct> updatableProducts = yahooQuotes.stream()
                    .filter(yq -> StringUtils.isNotBlank(yq.getExchange()))
                    .filter(yq -> updatableTickers.get(yq.getId()) != null).map(yq -> {
                        StockQuote sq = new StockQuote(yq, updatableTickers.get((yq.getId())));
                        return syncProduct(updatableTickers.get((yq.getId())), sq);
                    }).collect(Collectors.toSet());

            if (!updatableProducts.isEmpty()) {
                stockProductRepository.save(updatableProducts);
            }

            //This job below should decrease with the time
            Set<StockProduct> removableProducts = yahooQuotes.stream()
                    .filter(yq -> StringUtils.isBlank(yq.getExchange())).map(yq -> {
                        StockQuote sq = new StockQuote(yq, updatableTickers.get((yq.getId())));
                        return syncProduct(updatableTickers.get((yq.getId())), sq);
                    }).collect(Collectors.toSet());

            if (!removableProducts.isEmpty()) {
                stockProductRepository.delete(removableProducts);
            }
        }
    }
}

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