Examples with BiPredicate java.util.function.BiPredicate used on opensource projects

Example 1 with BiPredicate

use of java.util.function.BiPredicate in project jabref by JabRef.

the class CiteKeyBasedFileFinder method findFilesByExtension.

/**
     * Returns a list of all files in the given directories which have one of the given extension.
     */
public Set<Path> findFilesByExtension(List<Path> directories, List<String> extensions) {
    Objects.requireNonNull(extensions, "Extensions must not be null!");
    BiPredicate<Path, BasicFileAttributes> isFileWithCorrectExtension = (path, attributes) -> !Files.isDirectory(path) && extensions.contains(FileHelper.getFileExtension(path).orElse(""));
    Set<Path> result = new HashSet<>();
    for (Path directory : directories) {
        try (Stream<Path> files = Files.find(directory, Integer.MAX_VALUE, isFileWithCorrectExtension)) {
            result.addAll(files.collect(Collectors.toSet()));
        } catch (IOException e) {
            LOGGER.error("Problem in finding files", e);
        }
    }
    return result;
}

Example 2 with BiPredicate

use of java.util.function.BiPredicate in project unipop by unipop-graph.

the class JdbcPredicatesTranslator method handleConnectiveP.

private Condition handleConnectiveP(String key, ConnectiveP predicate) {
    List<P> predicates = predicate.getPredicates();
    List<Condition> queries = predicates.stream().map(p -> {
        if (p instanceof ConnectiveP)
            return handleConnectiveP(key, (ConnectiveP) p);
        Object pValue = p.getValue();
        BiPredicate pBiPredicate = p.getBiPredicate();
        return predicateToQuery(key, pValue, pBiPredicate);
    }).collect(Collectors.toList());
    Condition condition = queries.get(0);
    if (predicate instanceof AndP) {
        for (int i = 1; i < queries.size(); i++) {
            condition = condition.and(queries.get(i));
        }
    } else if (predicate instanceof OrP) {
        for (int i = 1; i < queries.size(); i++) {
            condition = condition.or(queries.get(i));
        }
    } else
        throw new IllegalArgumentException("Connective predicate not supported by unipop");
    return condition;
}

Example 3 with BiPredicate

use of java.util.function.BiPredicate in project sqlg by pietermartin.

the class ReplacedStep method addIdHasContainers.

private void addIdHasContainers(SchemaTableTree schemaTableTree1, List<Multimap<BiPredicate, RecordId>> biPredicateRecordIds) {
    if (biPredicateRecordIds != null) {
        for (Multimap<BiPredicate, RecordId> biPredicateRecordId : biPredicateRecordIds) {
            for (BiPredicate biPredicate : biPredicateRecordId.keySet()) {
                Collection<RecordId> recordIds = biPredicateRecordId.get(biPredicate);
                HasContainer idHasContainer;
                // id hasContainers are only optimized for BaseStrategy.SUPPORTED_ID_BI_PREDICATE within, without, eq, neq
                if (biPredicate == Contains.without || biPredicate == Contains.within) {
                    idHasContainer = new HasContainer(T.id.getAccessor(), P.test(biPredicate, recordIds));
                    schemaTableTree1.getHasContainers().add(idHasContainer);
                } else {
                    Preconditions.checkState(biPredicate == Compare.eq || biPredicate == Compare.neq);
                    for (RecordId recordId : recordIds) {
                        idHasContainer = new HasContainer(T.id.getAccessor(), P.test(biPredicate, recordId));
                        schemaTableTree1.getHasContainers().add(idHasContainer);
                    }
                }
            }
        }
    }
}

Example 4 with BiPredicate

use of java.util.function.BiPredicate in project sqlg by pietermartin.

the class ReplacedStep method collectSchemaTableTrees.

private void collectSchemaTableTrees(SqlgGraph sqlgGraph, int replacedStepDepth, Set<SchemaTableTree> result, Map<SchemaTable, List<Multimap<BiPredicate, RecordId>>> groupedIds, String table) {
    SchemaTable schemaTable = SchemaTable.from(sqlgGraph, table);
    List<HasContainer> schemaTableTreeHasContainers = new ArrayList<>(this.hasContainers);
    if (groupedIds != null) {
        List<Multimap<BiPredicate, RecordId>> biPredicateRecordIds = groupedIds.get(schemaTable.withOutPrefix());
        if (biPredicateRecordIds != null) {
            for (Multimap<BiPredicate, RecordId> biPredicateRecordId : biPredicateRecordIds) {
                for (BiPredicate biPredicate : biPredicateRecordId.keySet()) {
                    Collection<RecordId> recordIds = biPredicateRecordId.get(biPredicate);
                    HasContainer idHasContainer;
                    // id hasContainers are only optimized for BaseStrategy.SUPPORTED_ID_BI_PREDICATE within, without, eq, neq
                    if (biPredicate == Contains.without || biPredicate == Contains.within) {
                        idHasContainer = new HasContainer(T.id.getAccessor(), P.test(biPredicate, recordIds));
                        schemaTableTreeHasContainers.add(idHasContainer);
                    } else {
                        Preconditions.checkState(biPredicate == Compare.eq || biPredicate == Compare.neq);
                        for (RecordId recordId : recordIds) {
                            idHasContainer = new HasContainer(T.id.getAccessor(), P.test(biPredicate, recordId));
                            schemaTableTreeHasContainers.add(idHasContainer);
                        }
                    }
                }
            }
        }
    }
    SchemaTableTree schemaTableTree = new SchemaTableTree(sqlgGraph, schemaTable, 0, schemaTableTreeHasContainers, this.andOrHasContainers, this.sqlgComparatorHolder, this.sqlgComparatorHolder.getComparators(), this.sqlgRangeHolder, SchemaTableTree.STEP_TYPE.GRAPH_STEP, ReplacedStep.this.emit, ReplacedStep.this.untilFirst, ReplacedStep.this.leftJoin, ReplacedStep.this.drop, replacedStepDepth, ReplacedStep.this.labels);
    result.add(schemaTableTree);
}

Example 5 with BiPredicate

use of java.util.function.BiPredicate in project cassandra by apache.

the class CommitLog method recoverSegmentsOnDisk.

/**
 * Perform recovery on commit logs located in the directory specified by the config file.
 *
 * @return the number of mutations replayed
 * @throws IOException
 */
public int recoverSegmentsOnDisk() throws IOException {
    BiPredicate<File, String> unmanagedFilesFilter = (dir, name) -> CommitLogDescriptor.isValid(name) && CommitLogSegment.shouldReplay(name);
    // archiving pass, which we should not treat as serious.
    for (File file : new File(segmentManager.storageDirectory).tryList(unmanagedFilesFilter)) {
        archiver.maybeArchive(file.path(), file.name());
        archiver.maybeWaitForArchiving(file.name());
    }
    assert archiver.archivePending.isEmpty() : "Not all commit log archive tasks were completed before restore";
    archiver.maybeRestoreArchive();
    // List the files again as archiver may have added segments.
    File[] files = new File(segmentManager.storageDirectory).tryList(unmanagedFilesFilter);
    int replayed = 0;
    if (files.length == 0) {
        logger.info("No commitlog files found; skipping replay");
    } else {
        Arrays.sort(files, new CommitLogSegmentFileComparator());
        logger.info("Replaying {}", StringUtils.join(files, ", "));
        replayed = recoverFiles(files);
        logger.info("Log replay complete, {} replayed mutations", replayed);
        for (File f : files) segmentManager.handleReplayedSegment(f);
    }
    return replayed;
}