Example usage for java.util.function Predicate test

Introduction

In this page you can find the example usage for java.util.function Predicate test.

Prototype

boolean test(T t);

Source Link

Document

Evaluates this predicate on the given argument.

Usage

From source file:io.pravega.service.server.containers.StreamSegmentMapperTests.java

/**
 * Tests the ability of the StreamSegmentMapper to generate/return the Id of an existing StreamSegment, as well as
 * retrieving existing attributes./*  w  w  w .ja  v a  2 s. com*/
 */
@Test
public void testGetOrAssignStreamSegmentId() {
    final int segmentCount = 10;
    final int transactionsPerSegment = 5;

    @Cleanup
    TestContext context = new TestContext();

    HashSet<String> storageSegments = new HashSet<>();
    for (int i = 0; i < segmentCount; i++) {
        String segmentName = getName(i);
        storageSegments.add(segmentName);
        setAttributes(segmentName, storageSegments.size() % ATTRIBUTE_COUNT, context);

        for (int j = 0; j < transactionsPerSegment; j++) {
            // There is a small chance of a name conflict here, but we don't care. As long as we get at least one
            // Transaction per segment, we should be fine.
            String transactionName = StreamSegmentNameUtils.getTransactionNameFromId(segmentName,
                    UUID.randomUUID());
            storageSegments.add(transactionName);
            setAttributes(transactionName, storageSegments.size() % ATTRIBUTE_COUNT, context);
        }
    }

    // We setup all necessary handlers, except the one for create. We do not need to create new Segments here.
    setupOperationLog(context);
    Predicate<String> isSealed = segmentName -> segmentName.hashCode() % 2 == 0;
    Function<String, Long> getInitialLength = segmentName -> (long) Math.abs(segmentName.hashCode());
    setupStorageGetHandler(context, storageSegments, segmentName -> new StreamSegmentInformation(segmentName,
            getInitialLength.apply(segmentName), isSealed.test(segmentName), false, new ImmutableDate()));

    // First, map all the parents (stand-alone segments).
    for (String name : storageSegments) {
        if (StreamSegmentNameUtils.getParentStreamSegmentName(name) == null) {
            long id = context.mapper.getOrAssignStreamSegmentId(name, TIMEOUT).join();
            Assert.assertNotEquals("No id was assigned for StreamSegment " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, id);
            SegmentMetadata sm = context.metadata.getStreamSegmentMetadata(id);
            Assert.assertNotNull("No metadata was created for StreamSegment " + name, sm);
            long expectedLength = getInitialLength.apply(name);
            boolean expectedSeal = isSealed.test(name);
            Assert.assertEquals("Metadata does not have the expected length for StreamSegment " + name,
                    expectedLength, sm.getDurableLogLength());
            Assert.assertEquals(
                    "Metadata does not have the expected value for isSealed for StreamSegment " + name,
                    expectedSeal, sm.isSealed());

            val segmentState = context.stateStore.get(name, TIMEOUT).join();
            Map<UUID, Long> expectedAttributes = segmentState == null ? null : segmentState.getAttributes();
            SegmentMetadataComparer.assertSameAttributes(
                    "Unexpected attributes in metadata for StreamSegment " + name, expectedAttributes, sm);
        }
    }

    // Now, map all the Transactions.
    for (String name : storageSegments) {
        String parentName = StreamSegmentNameUtils.getParentStreamSegmentName(name);
        if (parentName != null) {
            long id = context.mapper.getOrAssignStreamSegmentId(name, TIMEOUT).join();
            Assert.assertNotEquals("No id was assigned for Transaction " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, id);
            SegmentMetadata sm = context.metadata.getStreamSegmentMetadata(id);
            Assert.assertNotNull("No metadata was created for Transaction " + name, sm);
            long expectedLength = getInitialLength.apply(name);
            boolean expectedSeal = isSealed.test(name);
            Assert.assertEquals("Metadata does not have the expected length for Transaction " + name,
                    expectedLength, sm.getDurableLogLength());
            Assert.assertEquals(
                    "Metadata does not have the expected value for isSealed for Transaction " + name,
                    expectedSeal, sm.isSealed());

            val segmentState = context.stateStore.get(name, TIMEOUT).join();
            Map<UUID, Long> expectedAttributes = segmentState == null ? null : segmentState.getAttributes();
            SegmentMetadataComparer.assertSameAttributes(
                    "Unexpected attributes in metadata for Transaction " + name, expectedAttributes, sm);

            // Check parenthood.
            Assert.assertNotEquals("No parent defined in metadata for Transaction " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, sm.getParentId());
            long parentId = context.metadata.getStreamSegmentId(parentName, false);
            Assert.assertEquals("Unexpected parent defined in metadata for Transaction " + name, parentId,
                    sm.getParentId());
        }
    }
}

---

From source file:io.pravega.segmentstore.server.containers.StreamSegmentMapperTests.java

/**
 * Tests the ability of the StreamSegmentMapper to generate/return the Id of an existing StreamSegment, as well as
 * retrieving existing attributes./*from ww w .j av  a 2 s . c o  m*/
 */
@Test
public void testGetOrAssignStreamSegmentId() {
    final int segmentCount = 10;
    final int transactionsPerSegment = 5;
    final long noSegmentId = ContainerMetadata.NO_STREAM_SEGMENT_ID;
    AtomicLong currentSegmentId = new AtomicLong(Integer.MAX_VALUE);
    Supplier<Long> nextSegmentId = () -> currentSegmentId.decrementAndGet() % 2 == 0 ? noSegmentId
            : currentSegmentId.get();

    @Cleanup
    TestContext context = new TestContext();

    HashSet<String> storageSegments = new HashSet<>();
    for (int i = 0; i < segmentCount; i++) {
        String segmentName = getName(i);
        storageSegments.add(segmentName);
        setAttributes(segmentName, nextSegmentId.get(), storageSegments.size() % ATTRIBUTE_COUNT, context);

        for (int j = 0; j < transactionsPerSegment; j++) {
            // There is a small chance of a name conflict here, but we don't care. As long as we get at least one
            // Transaction per segment, we should be fine.
            String transactionName = StreamSegmentNameUtils.getTransactionNameFromId(segmentName,
                    UUID.randomUUID());
            storageSegments.add(transactionName);
            setAttributes(transactionName, nextSegmentId.get(), storageSegments.size() % ATTRIBUTE_COUNT,
                    context);
        }
    }

    // We setup all necessary handlers, except the one for create. We do not need to create new Segments here.
    setupOperationLog(context);
    Predicate<String> isSealed = segmentName -> segmentName.hashCode() % 2 == 0;
    Function<String, Long> getInitialLength = segmentName -> (long) Math.abs(segmentName.hashCode());
    setupStorageGetHandler(context, storageSegments, segmentName -> new StreamSegmentInformation(segmentName,
            getInitialLength.apply(segmentName), isSealed.test(segmentName), false, new ImmutableDate()));

    // First, map all the parents (stand-alone segments).
    for (String name : storageSegments) {
        if (StreamSegmentNameUtils.getParentStreamSegmentName(name) == null) {
            long id = context.mapper.getOrAssignStreamSegmentId(name, TIMEOUT).join();
            Assert.assertNotEquals("No id was assigned for StreamSegment " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, id);
            SegmentMetadata sm = context.metadata.getStreamSegmentMetadata(id);
            Assert.assertNotNull("No metadata was created for StreamSegment " + name, sm);
            long expectedLength = getInitialLength.apply(name);
            boolean expectedSeal = isSealed.test(name);
            Assert.assertEquals("Metadata does not have the expected length for StreamSegment " + name,
                    expectedLength, sm.getDurableLogLength());
            Assert.assertEquals(
                    "Metadata does not have the expected value for isSealed for StreamSegment " + name,
                    expectedSeal, sm.isSealed());

            val segmentState = context.stateStore.get(name, TIMEOUT).join();
            Map<UUID, Long> expectedAttributes = segmentState == null ? null : segmentState.getAttributes();
            SegmentMetadataComparer.assertSameAttributes(
                    "Unexpected attributes in metadata for StreamSegment " + name, expectedAttributes, sm);
        }
    }

    // Now, map all the Transactions.
    for (String name : storageSegments) {
        String parentName = StreamSegmentNameUtils.getParentStreamSegmentName(name);
        if (parentName != null) {
            long id = context.mapper.getOrAssignStreamSegmentId(name, TIMEOUT).join();
            Assert.assertNotEquals("No id was assigned for Transaction " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, id);
            SegmentMetadata sm = context.metadata.getStreamSegmentMetadata(id);
            Assert.assertNotNull("No metadata was created for Transaction " + name, sm);
            long expectedLength = getInitialLength.apply(name);
            boolean expectedSeal = isSealed.test(name);
            Assert.assertEquals("Metadata does not have the expected length for Transaction " + name,
                    expectedLength, sm.getDurableLogLength());
            Assert.assertEquals(
                    "Metadata does not have the expected value for isSealed for Transaction " + name,
                    expectedSeal, sm.isSealed());

            val segmentState = context.stateStore.get(name, TIMEOUT).join();
            Map<UUID, Long> expectedAttributes = segmentState == null ? null : segmentState.getAttributes();
            SegmentMetadataComparer.assertSameAttributes(
                    "Unexpected attributes in metadata for Transaction " + name, expectedAttributes, sm);

            // Check parenthood.
            Assert.assertNotEquals("No parent defined in metadata for Transaction " + name,
                    ContainerMetadata.NO_STREAM_SEGMENT_ID, sm.getParentId());
            long parentId = context.metadata.getStreamSegmentId(parentName, false);
            Assert.assertEquals("Unexpected parent defined in metadata for Transaction " + name, parentId,
                    sm.getParentId());
        }
    }
}

---

From source file:org.briljantframework.data.vector.AbstractVector.java

@Override
public <T> boolean any(Class<T> cls, Predicate<? super T> predicate) {
    for (int i = 0; i < size(); i++) {
        if (predicate.test(loc().get(cls, i))) {
            return true;
        }/*  w  w w .  ja v a2 s .  c om*/
    }
    return false;
}

---

From source file:org.opensingular.flow.core.ProcessInstance.java

/**
 * Retorna a mais nova tarefa que atende a condio informada.
 * @param condicao a condio informada.//  w ww  . j  a  v a  2s  .com
 */
@Nonnull
public Optional<TaskInstance> getTaskNewer(@Nonnull Predicate<TaskInstance> condicao) {
    Objects.requireNonNull(condicao);
    List<? extends IEntityTaskInstance> lista = getEntity().getTasks();
    for (int i = lista.size() - 1; i != -1; i--) {
        TaskInstance task = getTaskInstance(lista.get(i));
        if (condicao.test(task)) {
            return Optional.of(task);
        }
    }
    return Optional.empty();
}

---

From source file:nl.systemsgenetics.genenetworkbackend.hpo.DiseaseGeneHpoData.java

public DiseaseGeneHpoData(final File diseaseGeneHpoFile, HashMap<String, ArrayList<String>> ncbiToEnsgMap,
        HashMap<String, ArrayList<String>> hgncToEnsgMap, HashSet<String> exludedHpo,
        HashSet<String> includeGenes, String diseasePrefix) throws FileNotFoundException, IOException {

    geneToHpos = new HashMap<>();
    diseaseToGenes = new HashMap<>();
    diseaseGeneToHpos = new HashMap<>();

    Predicate<String> diseasePattern;
    if (diseasePrefix != null) {
        diseasePattern = Pattern.compile("^" + diseasePrefix).asPredicate();
    } else {//from  ww  w.  ja v  a2  s.  c om
        diseasePattern = null;
    }

    final CSVParser hpoParser = new CSVParserBuilder().withSeparator('\t').withIgnoreQuotations(true).build();
    final CSVReader hpoReader = new CSVReaderBuilder(new BufferedReader(new FileReader(diseaseGeneHpoFile)))
            .withSkipLines(1).withCSVParser(hpoParser).build();

    String[] nextLine;
    while ((nextLine = hpoReader.readNext()) != null) {
        String disease = nextLine[0];
        String hgcnId = nextLine[1];
        String ncbiId = nextLine[2];
        String hpo = nextLine[3];

        if (diseasePattern != null && !diseasePattern.test(disease)) {
            continue;
        }

        if (exludedHpo != null && exludedHpo.contains(hpo)) {
            continue;
        }

        ArrayList<String> ensgIds = ncbiToEnsgMap.get(ncbiId);
        if (ensgIds == null) {
            ensgIds = hgncToEnsgMap.get(hgcnId);
        }
        if (ensgIds == null) {
            System.err.println("Missing mapping for gene: " + ncbiId + " " + hgcnId);
        } else if (ensgIds.size() > 1) {
            System.err.println("Skipping becasue multiple ENSG IDs for gene: " + ncbiId + " " + hgcnId);
        } else if (!includeGenes.contains(ensgIds.get(0))) {
            System.err.println("Skipping becasue gene not in include list: " + ncbiId + " " + hgcnId);
        } else {

            String ensgId = ensgIds.get(0);

            HashSet<String> geneHpos = geneToHpos.get(ensgId);
            if (geneHpos == null) {
                geneHpos = new HashSet<>();
                geneToHpos.put(ensgId, geneHpos);
            }

            geneHpos.add(hpo);

            HashSet<String> diseaseGenes = diseaseToGenes.get(disease);
            if (diseaseGenes == null) {
                diseaseGenes = new HashSet<>();
                diseaseToGenes.put(disease, diseaseGenes);
            }
            diseaseGenes.add(ensgId);

            DiseaseGene diseaseGene = new DiseaseGene(disease, ensgId);

            HashSet<String> diseaseGeneHpos = diseaseGeneToHpos.get(diseaseGene);
            if (diseaseGeneHpos == null) {
                diseaseGeneHpos = new HashSet<>();
                diseaseGeneToHpos.put(diseaseGene, diseaseGeneHpos);
            }
            diseaseGeneHpos.add(hpo);

        }

    }

}

---

From source file:org.briljantframework.data.vector.AbstractVector.java

@Override
public <T> boolean all(Class<T> cls, Predicate<? super T> predicate) {
    VectorLocationGetter getter = loc();
    for (int i = 0, size = size(); i < size; i++) {
        if (!predicate.test(getter.get(cls, i))) {
            return false;
        }/* w w w  . j  av a 2s . com*/
    }
    return true;
}

---

From source file:ddf.common.test.ServiceManager.java

public void waitForFeature(String featureName, Predicate<FeatureState> predicate) throws Exception {
    boolean ready = false;

    long timeoutLimit = System.currentTimeMillis() + REQUIRED_BUNDLES_TIMEOUT;
    FeaturesService featuresService = getFeaturesService();
    while (!ready) {
        if (featuresService != null) {
            Feature feature = featuresService.getFeature(featureName);
            FeatureState state = featuresService.getState(feature.getName() + "/" + feature.getVersion());
            if (state == null) {
                LOGGER.warn("No Feature found for featureName: {}", featureName);
                return;
            } else if (predicate.test(state)) {
                ready = true;//from   w  w  w.  j av a2s  .  c  o  m
            }
        }

        if (!ready) {
            if (System.currentTimeMillis() > timeoutLimit) {
                printInactiveBundles();
                fail(String.format(
                        "Feature did not change to State [" + predicate.toString() + "] within %d minutes.",
                        TimeUnit.MILLISECONDS.toMinutes(REQUIRED_BUNDLES_TIMEOUT)));
            }
            LOGGER.info("Feature [{}] not [{}], sleeping...", featureName, predicate.toString());
            Thread.sleep(1000);
        }
    }
}

---

From source file:org.briljantframework.data.vector.AbstractVector.java

@Override
public <T> BooleanArray where(Class<T> cls, Predicate<? super T> predicate) {
    BooleanArray array = Arrays.booleanArray(size());
    for (int i = 0; i < size(); i++) {
        array.set(i, predicate.test(loc().get(cls, i)));
    }//from   w w w .ja  va2  s.  com
    return array;
}

---

From source file:org.finra.herd.service.impl.TagServiceImpl.java

/**
 * A helper method that will validate a list of tags
 *
 * @param tagEntityList the list of tags that will be validated
 *
 * @return true all of the tags are valid in the index
 *///  w w w . j  a v a2s  .  c o m
private boolean indexValidateTagsList(final List<TagEntity> tagEntityList) {
    final String indexName = SearchIndexTypeEntity.SearchIndexTypes.TAG.name().toLowerCase();
    final String documentType = configurationHelper
            .getProperty(ConfigurationValue.ELASTICSEARCH_BDEF_DOCUMENT_TYPE, String.class);

    Predicate<TagEntity> validInIndexPredicate = tagEntity -> {
        // Fetch Join with .size()
        tagEntity.getChildrenTagEntities().size();

        // Convert the tag entity to a JSON string
        final String jsonString = tagHelper.safeObjectMapperWriteValueAsString(tagEntity);

        return this.indexFunctionsDao.isValidDocumentIndex(indexName, documentType,
                tagEntity.getId().toString(), jsonString);
    };

    boolean isValid = true;
    for (TagEntity tagEntity : tagEntityList) {
        if (!validInIndexPredicate.test(tagEntity)) {
            isValid = false;
        }
    }

    return isValid;
}

---

From source file:com.ikanow.aleph2.management_db.services.DataBucketStatusCrudService.java

/** Tries to distribute a request to listening data import managers to notify their harvesters that the bucket state has been updated
 * @param update_reply - the future reply to the find-and-update
 * @param suspended_predicate - takes the status bean (must exist at this point) and checks whether the bucket should be suspended
 * @param underlying_data_bucket_db - the data bucket bean db store
 * @param actor_context - actor context for distributing out requests
 * @param retry_store - the retry store for handling data import manager connectivity problems
 * @return a collection of success/error messages from either this function or the 
 *//*from ww  w  .  ja  v  a  2 s. com*/
private static <T> CompletableFuture<Collection<BasicMessageBean>> getOperationFuture(
        final CompletableFuture<Optional<DataBucketStatusBean>> update_reply,
        final Predicate<DataBucketStatusBean> suspended_predicate,
        final ICrudService<DataBucketBean> underlying_data_bucket_db,
        final ICrudService<DataBucketStatusBean> underlying_data_bucket_status_db,
        final ManagementDbActorContext actor_context,
        final ICrudService<BucketActionRetryMessage> retry_store) {
    return update_reply.thenCompose(sb -> {
        return sb.isPresent() ? underlying_data_bucket_db.getObjectById(sb.get()._id())
                : CompletableFuture.completedFuture(Optional.empty());
    }).thenCompose(bucket -> {
        if (!bucket.isPresent()) {
            return CompletableFuture.completedFuture(Arrays.asList(new BasicMessageBean(new Date(), // date
                    false, // success
                    IManagementDbService.CORE_MANAGEMENT_DB.get(),
                    BucketActionMessage.UpdateBucketActionMessage.class.getSimpleName(), null, // message code
                    ErrorUtils.get(ManagementDbErrorUtils.MISSING_STATUS_BEAN_OR_BUCKET,
                            update_reply.join().map(s -> s._id()).orElse("(unknown)")),
                    null) // details                  
            ));
        } else { // If we're here we've retrieved both the bucket and bucket status, so we're good to go
            final DataBucketStatusBean status_bean = update_reply.join().get();
            // (as above, if we're here then must exist)

            // Once we have the bucket, issue the update command
            final BucketActionMessage.UpdateBucketActionMessage update_message = new BucketActionMessage.UpdateBucketActionMessage(
                    bucket.get(), suspended_predicate.test(status_bean), // (ie user picks whether to suspend or unsuspend here)
                    bucket.get(), new HashSet<String>(
                            Optional.ofNullable(status_bean.node_affinity()).orElse(Collections.emptyList())));

            // Collect message and handle retries

            final CompletableFuture<Collection<BasicMessageBean>> management_results = MgmtCrudUtils
                    .applyRetriableManagementOperation(bucket.get(), actor_context, retry_store, update_message,
                            source -> {
                                return new BucketActionMessage.UpdateBucketActionMessage(
                                        update_message.bucket(), status_bean.suspended(),
                                        update_message.bucket(), new HashSet<String>(Arrays.asList(source)));
                            });

            return MgmtCrudUtils.handleUpdatingStatus(bucket.get(), status_bean,
                    suspended_predicate.test(status_bean), management_results,
                    underlying_data_bucket_status_db);
        }
    });
}

---

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