Examples with Provider javax.inject.Provider used on opensource projects

Example 46 with Provider

use of javax.inject.Provider in project presto by prestodb.

the class VerifierTestUtil method createChecksumValidator.

public static ChecksumValidator createChecksumValidator(VerifierConfig verifierConfig) {
    Map<Column.Category, Provider<ColumnValidator>> lazyValidators = new HashMap<>();
    Map<Column.Category, Provider<ColumnValidator>> validators = ImmutableMap.of(Column.Category.SIMPLE, SimpleColumnValidator::new, Column.Category.FLOATING_POINT, () -> new FloatingPointColumnValidator(verifierConfig), Column.Category.ARRAY, ArrayColumnValidator::new, Column.Category.ROW, () -> new RowColumnValidator(lazyValidators), Column.Category.MAP, MapColumnValidator::new);
    lazyValidators.putAll(validators);
    return new ChecksumValidator(validators);
}

Example 47 with Provider

use of javax.inject.Provider in project graylog2-server by Graylog2.

the class ElasticsearchBackend method doRun.

@Override
public QueryResult doRun(SearchJob job, Query query, ESGeneratedQueryContext queryContext) {
    if (query.searchTypes().isEmpty()) {
        return QueryResult.builder().query(query).searchTypes(Collections.emptyMap()).errors(new HashSet<>(queryContext.errors())).build();
    }
    LOG.debug("Running query {} for job {}", query.id(), job.getId());
    final HashMap<String, SearchType.Result> resultsMap = Maps.newHashMap();
    final Set<String> affectedIndices = indexLookup.indexNamesForStreamsInTimeRange(query.usedStreamIds(), query.timerange());
    final Map<String, SearchSourceBuilder> searchTypeQueries = queryContext.searchTypeQueries();
    final List<String> searchTypeIds = new ArrayList<>(searchTypeQueries.keySet());
    final List<Search> searches = searchTypeIds.stream().map(searchTypeId -> {
        final Set<String> affectedIndicesForSearchType = query.searchTypes().stream().filter(s -> s.id().equalsIgnoreCase(searchTypeId)).findFirst().flatMap(searchType -> {
            if (searchType.effectiveStreams().isEmpty() && !query.globalOverride().flatMap(GlobalOverride::timerange).isPresent() && !searchType.timerange().isPresent()) {
                return Optional.empty();
            }
            final Set<String> usedStreamIds = searchType.effectiveStreams().isEmpty() ? query.usedStreamIds() : searchType.effectiveStreams();
            return Optional.of(indexLookup.indexNamesForStreamsInTimeRange(usedStreamIds, query.effectiveTimeRange(searchType)));
        }).orElse(affectedIndices);
        return new Search.Builder(searchTypeQueries.get(searchTypeId).toString()).addType(IndexMapping.TYPE_MESSAGE).addIndex(affectedIndicesForSearchType.isEmpty() ? Collections.singleton("") : affectedIndicesForSearchType).allowNoIndices(false).ignoreUnavailable(false).build();
    }).collect(Collectors.toList());
    final MultiSearch.Builder multiSearchBuilder = new MultiSearch.Builder(searches);
    final MultiSearchResult result = JestUtils.execute(jestClient, multiSearchBuilder.build(), () -> "Unable to perform search query: ");
    for (SearchType searchType : query.searchTypes()) {
        final String searchTypeId = searchType.id();
        final Provider<ESSearchTypeHandler<? extends SearchType>> handlerProvider = elasticsearchSearchTypeHandlers.get(searchType.type());
        if (handlerProvider == null) {
            LOG.error("Unknown search type '{}', cannot convert query result.", searchType.type());
            // no need to add another error here, as the query generation code will have added the error about the missing handler already
            continue;
        }
        if (isSearchTypeWithError(queryContext, searchTypeId)) {
            LOG.error("Failed search type '{}', cannot convert query result, skipping.", searchType.type());
            // no need to add another error here, as the query generation code will have added the error about the missing handler already
            continue;
        }
        // we create a new instance because some search type handlers might need to track information between generating the query and
        // processing its result, such as aggregations, which depend on the name and type
        final ESSearchTypeHandler<? extends SearchType> handler = handlerProvider.get();
        final int searchTypeIndex = searchTypeIds.indexOf(searchTypeId);
        final MultiSearchResult.MultiSearchResponse multiSearchResponse = result.getResponses().get(searchTypeIndex);
        if (multiSearchResponse.isError) {
            ElasticsearchException e = JestUtils.specificException(() -> "Search type returned error: ", multiSearchResponse.error);
            queryContext.addError(SearchTypeErrorParser.parse(query, searchTypeId, e));
        } else if (checkForFailedShards(multiSearchResponse.searchResult).isPresent()) {
            ElasticsearchException e = checkForFailedShards(multiSearchResponse.searchResult).get();
            queryContext.addError(SearchTypeErrorParser.parse(query, searchTypeId, e));
        } else {
            final SearchType.Result searchTypeResult = handler.extractResult(job, query, searchType, multiSearchResponse.searchResult, queryContext);
            if (searchTypeResult != null) {
                resultsMap.put(searchTypeId, searchTypeResult);
            }
        }
    }
    LOG.debug("Query {} ran for job {}", query.id(), job.getId());
    return QueryResult.builder().query(query).searchTypes(resultsMap).errors(new HashSet<>(queryContext.errors())).build();
}

Example 48 with Provider

use of javax.inject.Provider in project graylog2-server by Graylog2.

the class ElasticsearchBackend method doRun.

@Override
public QueryResult doRun(SearchJob job, Query query, ESGeneratedQueryContext queryContext) {
    if (query.searchTypes().isEmpty()) {
        return QueryResult.builder().query(query).searchTypes(Collections.emptyMap()).errors(new HashSet<>(queryContext.errors())).build();
    }
    LOG.debug("Running query {} for job {}", query.id(), job.getId());
    final HashMap<String, SearchType.Result> resultsMap = Maps.newHashMap();
    final Set<String> affectedIndices = indexLookup.indexNamesForStreamsInTimeRange(query.usedStreamIds(), query.timerange());
    final Map<String, SearchSourceBuilder> searchTypeQueries = queryContext.searchTypeQueries();
    final List<String> searchTypeIds = new ArrayList<>(searchTypeQueries.keySet());
    final List<SearchRequest> searches = searchTypeIds.stream().map(searchTypeId -> {
        final Set<String> affectedIndicesForSearchType = query.searchTypes().stream().filter(s -> s.id().equalsIgnoreCase(searchTypeId)).findFirst().flatMap(searchType -> {
            if (searchType.effectiveStreams().isEmpty() && !query.globalOverride().flatMap(GlobalOverride::timerange).isPresent() && !searchType.timerange().isPresent()) {
                return Optional.empty();
            }
            final Set<String> usedStreamIds = searchType.effectiveStreams().isEmpty() ? query.usedStreamIds() : searchType.effectiveStreams();
            return Optional.of(indexLookup.indexNamesForStreamsInTimeRange(usedStreamIds, query.effectiveTimeRange(searchType)));
        }).orElse(affectedIndices);
        Set<String> indices = affectedIndicesForSearchType.isEmpty() ? Collections.singleton("") : affectedIndicesForSearchType;
        return new SearchRequest().source(searchTypeQueries.get(searchTypeId)).indices(indices.toArray(new String[0])).indicesOptions(IndicesOptions.fromOptions(false, false, true, false));
    }).collect(Collectors.toList());
    final List<MultiSearchResponse.Item> results = client.msearch(searches, "Unable to perform search query: ");
    for (SearchType searchType : query.searchTypes()) {
        final String searchTypeId = searchType.id();
        final Provider<ESSearchTypeHandler<? extends SearchType>> handlerProvider = elasticsearchSearchTypeHandlers.get(searchType.type());
        if (handlerProvider == null) {
            LOG.error("Unknown search type '{}', cannot convert query result.", searchType.type());
            // no need to add another error here, as the query generation code will have added the error about the missing handler already
            continue;
        }
        if (isSearchTypeWithError(queryContext, searchTypeId)) {
            LOG.error("Failed search type '{}', cannot convert query result, skipping.", searchType.type());
            // no need to add another error here, as the query generation code will have added the error about the missing handler already
            continue;
        }
        // we create a new instance because some search type handlers might need to track information between generating the query and
        // processing its result, such as aggregations, which depend on the name and type
        final ESSearchTypeHandler<? extends SearchType> handler = handlerProvider.get();
        final int searchTypeIndex = searchTypeIds.indexOf(searchTypeId);
        final MultiSearchResponse.Item multiSearchResponse = results.get(searchTypeIndex);
        if (multiSearchResponse.isFailure()) {
            ElasticsearchException e = new ElasticsearchException("Search type returned error: ", multiSearchResponse.getFailure());
            queryContext.addError(SearchTypeErrorParser.parse(query, searchTypeId, e));
        } else if (checkForFailedShards(multiSearchResponse).isPresent()) {
            ElasticsearchException e = checkForFailedShards(multiSearchResponse).get();
            queryContext.addError(SearchTypeErrorParser.parse(query, searchTypeId, e));
        } else {
            final SearchType.Result searchTypeResult = handler.extractResult(job, query, searchType, multiSearchResponse.getResponse(), queryContext);
            if (searchTypeResult != null) {
                resultsMap.put(searchTypeId, searchTypeResult);
            }
        }
    }
    LOG.debug("Query {} ran for job {}", query.id(), job.getId());
    return QueryResult.builder().query(query).searchTypes(resultsMap).errors(new HashSet<>(queryContext.errors())).build();
}

Example 49 with Provider

use of javax.inject.Provider in project roboguice by roboguice.

the class Jsr330Test method testGuicifyWithDependencies.

public void testGuicifyWithDependencies() {
    Provider<String> jsr330Provider = new Provider<String>() {

        @Inject
        double d;

        int i;

        @Inject
        void injectMe(int i) {
            this.i = i;
        }

        public String get() {
            return d + "-" + i;
        }
    };
    final com.google.inject.Provider<String> guicified = Providers.guicify(jsr330Provider);
    assertTrue(guicified instanceof HasDependencies);
    Set<Dependency<?>> actual = ((HasDependencies) guicified).getDependencies();
    validateDependencies(actual, jsr330Provider.getClass());
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            bind(String.class).toProvider(guicified);
            bind(int.class).toInstance(1);
            bind(double.class).toInstance(2.0d);
        }
    });
    Binding<String> binding = injector.getBinding(String.class);
    assertEquals("2.0-1", binding.getProvider().get());
    validateDependencies(actual, jsr330Provider.getClass());
}

Example 50 with Provider

use of javax.inject.Provider in project roboguice by roboguice.

the class MiniGuice method addJitBinding.

private void addJitBinding(Key key, Object requiredBy) {
    Class<?> type = (Class<?>) key.type;
    /*
     * Lookup the injectable fields and their corresponding keys.
     */
    final List<Field> injectedFields = new ArrayList<Field>();
    List<Object> fieldKeysList = new ArrayList<Object>();
    for (Class<?> c = type; c != Object.class; c = c.getSuperclass()) {
        for (Field field : c.getDeclaredFields()) {
            if (!field.isAnnotationPresent(javax.inject.Inject.class)) {
                continue;
            }
            field.setAccessible(true);
            injectedFields.add(field);
            Key fieldKey = key(field, field.getGenericType(), field.getAnnotations());
            fieldKeysList.add(fieldKey);
            requireKey(fieldKey, field);
        }
    }
    final Key[] fieldKeys = fieldKeysList.toArray(new Key[fieldKeysList.size()]);
    /*
     * Lookup @Inject-annotated constructors. If there's no @Inject-annotated
     * constructor, use a default constructor if the class has other injections.
     */
    Constructor<?> injectedConstructor = null;
    for (Constructor<?> constructor : type.getDeclaredConstructors()) {
        if (!constructor.isAnnotationPresent(javax.inject.Inject.class)) {
            continue;
        }
        if (injectedConstructor != null) {
            throw new IllegalArgumentException("Too many injectable constructors on " + type);
        }
        constructor.setAccessible(true);
        injectedConstructor = constructor;
    }
    if (injectedConstructor == null) {
        if (fieldKeys.length == 0) {
            throw new IllegalArgumentException("No injectable constructor on " + type + " required by " + requiredBy);
        }
        try {
            injectedConstructor = type.getConstructor();
        } catch (NoSuchMethodException e) {
            throw new IllegalArgumentException("No injectable constructor on " + type + " required by " + requiredBy);
        }
    }
    /*
     * Create a provider that invokes the constructor and sets its fields.
     */
    final Constructor<?> constructor = injectedConstructor;
    final Key[] parameterKeys = parametersToKeys(constructor, constructor.getGenericParameterTypes(), constructor.getParameterAnnotations());
    final Provider<Object> unscoped = new Provider<Object>() {

        public Object get() {
            Object[] constructorParameters = keysToValues(parameterKeys);
            try {
                Object result = constructor.newInstance(constructorParameters);
                Object[] fieldValues = keysToValues(fieldKeys);
                for (int i = 0; i < fieldValues.length; i++) {
                    injectedFields.get(i).set(result, fieldValues[i]);
                }
                return result;
            } catch (IllegalAccessException e) {
                throw new RuntimeException(e.getCause());
            } catch (InvocationTargetException e) {
                throw new RuntimeException(e.getCause());
            } catch (InstantiationException e) {
                throw new RuntimeException(e);
            }
        }
    };
    boolean singleton = type.isAnnotationPresent(javax.inject.Singleton.class);
    putBinding(new Key(type, null), unscoped, singleton);
}