Example usage for java.util Set isEmpty

List of usage examples for java.util Set isEmpty

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Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this set contains no elements.

Usage

From source file:com.iisigroup.cap.mvc.i18n.MessageBundleScriptCreator.java

/**
 *  filter ??/*  ww w.j  av  a  2 s.  c o  m*/
 *
 * @param filterList
 *            filter list
 * @return String
 */
private static String generateFilterReg(Set<String> filterList) {
    if (filterList == null) {
        filterList = defaultFilter;
    }
    if (!filterList.isEmpty()) {
        StringBuffer regSb = new StringBuffer("^(");
        for (Iterator<String> it = filterList.iterator(); it.hasNext();) {
            regSb.append(it.next()).append(Constants.VALUES_SEPARATOR);
        }
        regSb.deleteCharAt(regSb.length() - 1).append(")");
        return regSb.toString();
    } else {
        return null;
    }

}

From source file:com.frostwire.vuze.VuzeDownloadFactory.java

private static void setupPartialSelection(DownloadManager dm, Set<String> paths) {
    DiskManagerFileInfo[] infs = dm.getDiskManagerFileInfoSet().getFiles();

    try {//ww  w . j a va 2 s . co m
        dm.getDownloadState().suppressStateSave(true);

        if (paths == null || paths.isEmpty()) {
            for (DiskManagerFileInfo inf : infs) {
                if (inf.isSkipped()) { // I don't want to trigger any internal logic
                    inf.setSkipped(false);
                }
            }
        } else {
            String savePath = dm.getSaveLocation().getPath();
            for (DiskManagerFileInfo inf : infs) {
                String path = inf.getFile(false).getPath();
                path = VuzeDownloadManager.removePrefixPath(savePath, path);
                inf.setSkipped(!paths.contains(path));
            }
        }
    } finally {
        dm.getDownloadState().suppressStateSave(false);
    }
}

From source file:mvm.rya.indexing.accumulo.StatementSerializer.java

/**
 * Creates a Regular Expression to match serialized statements meeting these constraints. A <code>null</code> or empty parameters imply
 * no constraint. A <code>null</code> return value implies no constraints.
 * //from w ww  .j a v a 2  s  .  c  o m
 * @param context
 *            context constraint
 * @param subject
 *            subject constraint
 * @param predicates
 *            list of predicate constraints
 * @return a regular expression that can be used to match serialized statements. A <code>null</code> return value implies no
 *         constraints.
 */
public static String createStatementRegex(StatementContraints contraints) {
    Resource context = contraints.getContext();
    Resource subject = contraints.getSubject();
    Set<URI> predicates = contraints.getPredicates();
    if (context == null && subject == null && (predicates == null || predicates.isEmpty())) {
        return null;
    }

    // match on anything but a separator
    String anyReg = "[^" + SEP + "]*";

    // if context is empty, match on any context
    String contextReg = (context == null) ? anyReg : context.stringValue();

    // if subject is empty, match on any subject
    String subjectReg = (subject == null) ? anyReg : subject.stringValue();

    // if the predicates are empty, match on any predicate. Otherwise, "or" the predicates.
    String predicateReg = "";
    if (predicates == null || predicates.isEmpty()) {
        predicateReg = anyReg;
    } else {
        predicateReg = "(" + StringUtils.join(predicates, "|") + ")";
    }

    return "^" + contextReg + SEP + subjectReg + SEP + predicateReg + SEP + ".*";
}

From source file:com.btkelly.gnag.utils.ReportWriter.java

public static boolean writeReportToDirectory(@NotNull final Set<Violation> violations,
        @NotNull final File directory) {

    //noinspection ResultOfMethodCallIgnored
    directory.mkdirs();//  w w  w.ja v  a2 s  . c om

    final StringBuilder builder = new StringBuilder().append(HTML_REPORT_PREFIX);

    if (violations.isEmpty()) {
        builder.append(LOCAL_SUCCESS_COMMENT);
    } else {
        builder.append(ViolationsFormatter.getHtmlStringForAggregatedComment(violations));
    }

    builder.append(HTML_REPORT_SUFFIX);

    try {
        final File htmlReportFile = new File(directory, REPORT_FILE_NAME);
        FileUtils.write(htmlReportFile, builder.toString());
    } catch (final IOException e) {
        System.out.println("Error writing Gnag local report.");
        e.printStackTrace();
        return false;
    }

    copyCssFileToDirectory(directory);

    return true;
}

From source file:io.ecarf.core.cloud.task.processor.reason.phase2.ReasonUtils.java

/**
 * //from   ww w . j  a  va  2 s  .c o  m
 * @param file
 * @param writer
 * @param compressed
 * @return
 * @throws IOException 
 */
public static int reason(String inFile, String outFile, boolean compressed, Map<Long, Set<Triple>> schemaTerms,
        Set<Long> productiveTerms) throws IOException {

    log.info("Reasoning for file: " + inFile + ", memory usage: " + Utils.getMemoryUsageInGB() + "GB");

    int inferredTriples = 0;

    // loop through the instance triples probably stored in a file and generate all the triples matching the schema triples set
    try (BufferedReader reader = getQueryResultsReader(inFile, compressed);
            PrintWriter writer = new PrintWriter(new BufferedOutputStream(
                    new GZIPOutputStream(new FileOutputStream(outFile), Constants.GZIP_BUF_SIZE),
                    Constants.GZIP_BUF_SIZE));) {

        Iterable<CSVRecord> records;

        if (compressed) {
            // ignore first row subject,predicate,object
            records = CSVFormat.DEFAULT.withHeader().withSkipHeaderRecord().parse(reader);

        } else {
            records = CSVFormat.DEFAULT.parse(reader);
        }

        Long term;

        for (CSVRecord record : records) {

            ETriple instanceTriple = ETriple.fromCSV(record.values());

            // TODO review for OWL ruleset
            if (SchemaURIType.RDF_TYPE.id == instanceTriple.getPredicate()) {

                term = instanceTriple.getObject(); // object

            } else {

                term = instanceTriple.getPredicate(); // predicate
            }

            Set<Triple> schemaTriples = schemaTerms.get(term);

            if ((schemaTriples != null) && !schemaTriples.isEmpty()) {
                productiveTerms.add(term);

                for (Triple schemaTriple : schemaTriples) {
                    Rule rule = GenericRule.getRule(schemaTriple);
                    Triple inferredTriple = rule.head(schemaTriple, instanceTriple);

                    if (inferredTriple != null) {
                        writer.println(inferredTriple.toCsv());
                        inferredTriples++;
                    }
                }
            }

        }

    }

    return inferredTriples;
}

From source file:io.ecarf.core.cloud.task.processor.reason.phase2.ReasonUtils.java

/**
 * //from ww  w  . j av a  2 s . c o m
 * @param file
 * @param writer
 * @param compressed
 * @return
 * @throws IOException 
 */
public static int reason(String inFile, String outFile, boolean compressed, Map<Long, Set<Triple>> schemaTerms,
        Set<Long> productiveTerms, DuplicatesBuster duplicatesBuster) throws IOException {

    log.info("Reasoning for file: " + inFile + ", memory usage: " + Utils.getMemoryUsageInGB() + "GB");

    int inferredTriples = 0;

    // loop through the instance triples probably stored in a file and generate all the triples matching the schema triples set
    try (BufferedReader reader = getQueryResultsReader(inFile, compressed);
            PrintWriter writer = new PrintWriter(new BufferedOutputStream(
                    new GZIPOutputStream(new FileOutputStream(outFile), Constants.GZIP_BUF_SIZE),
                    Constants.GZIP_BUF_SIZE));) {

        Iterable<CSVRecord> records;

        if (compressed) {
            // ignore first row subject,predicate,object
            records = CSVFormat.DEFAULT.withHeader().withSkipHeaderRecord().parse(reader);

        } else {
            records = CSVFormat.DEFAULT.parse(reader);
        }

        Long term;

        for (CSVRecord record : records) {

            ETriple instanceTriple = ETriple.fromCSV(record.values());

            // TODO review for OWL ruleset
            if (SchemaURIType.RDF_TYPE.id == instanceTriple.getPredicate()) {

                term = instanceTriple.getObject(); // object

            } else {

                term = instanceTriple.getPredicate(); // predicate
            }

            Set<Triple> schemaTriples = schemaTerms.get(term);

            if ((schemaTriples != null) && !schemaTriples.isEmpty()) {
                productiveTerms.add(term);

                for (Triple schemaTriple : schemaTriples) {
                    Rule rule = GenericRule.getRule(schemaTriple);
                    Triple inferredTriple = rule.head(schemaTriple, instanceTriple);

                    if ((inferredTriple != null) && !duplicatesBuster.isDuplicate(inferredTriple)) {
                        writer.println(inferredTriple.toCsv());
                        inferredTriples++;
                    }
                }
            }

        }

    }

    return inferredTriples;
}

From source file:net.andydvorak.intellij.lessc.fs.VirtualFileLocationChange.java

public static int copyCssFiles(@NotNull final VirtualFileCopyEvent virtualFileCopyEvent,
        @Nullable final LessProfile lessProfile, @NotNull final VfsLocationChangeDialog vfsLocationChangeDialog)
        throws IOException {
    final Set<VirtualFileLocationChange> changes = getChanges(lessProfile, virtualFileCopyEvent);

    if (changes.isEmpty() || !vfsLocationChangeDialog.shouldCopyCssFile(virtualFileCopyEvent))
        return 0;

    for (VirtualFileLocationChange locationChange : changes) {
        locationChange.copy();/*from   ww  w  .  j  a va  2  s  . co m*/
    }

    return changes.size();
}

From source file:net.andydvorak.intellij.lessc.fs.VirtualFileLocationChange.java

public static int moveCssFiles(@NotNull final VirtualFileMoveEvent virtualFileMoveEvent,
        @Nullable final LessProfile lessProfile, @NotNull final VfsLocationChangeDialog vfsLocationChangeDialog)
        throws IOException {
    final Set<VirtualFileLocationChange> changes = getChanges(lessProfile, virtualFileMoveEvent);

    if (changes.isEmpty() || !vfsLocationChangeDialog.shouldMoveCssFile(virtualFileMoveEvent))
        return 0;

    for (VirtualFileLocationChange locationChange : changes) {
        locationChange.move();/*from  w  w  w  . j a  va2s.co  m*/
    }

    return changes.size();
}

From source file:io.cloudslang.maven.compiler.CloudSlangMavenCompiler.java

protected static Set<String> getSourceFilesForSourceRoot(CompilerConfiguration config, String sourceLocation) {
    Path path = Paths.get(sourceLocation);
    if (!Files.exists(path)) {
        return emptySet();
    }//from  w  ww. j  a  v  a 2s.  co  m

    DirectoryScanner scanner = new DirectoryScanner();
    scanner.setBasedir(sourceLocation);
    Set<String> includes = config.getIncludes();
    if (includes != null && !includes.isEmpty()) {
        String[] inclStrs = includes.toArray(new String[includes.size()]);
        scanner.setIncludes(inclStrs);
    } else {
        scanner.setIncludes(new String[] { "**/*.sl.yaml", "**/*.sl", "**/*.sl.yml" });
    }

    Set<String> configExcludes = config.getExcludes();
    if (configExcludes != null && !configExcludes.isEmpty()) {
        String[] exclStrs = configExcludes.toArray(new String[configExcludes.size()]);
        scanner.setExcludes(exclStrs);
    } else {
        scanner.setExcludes(new String[] { "**/*prop.sl" });
    }

    scanner.scan();
    String[] sourceDirectorySources = scanner.getIncludedFiles();
    Set<String> sources = new HashSet<>();

    for (String sourceDirectorySource : sourceDirectorySources) {
        sources.add(new File(sourceLocation, sourceDirectorySource).getPath());
    }

    return sources;
}

From source file:com.github.gdfm.shobaidogu.StatsUtils.java

/**
 * Computes the Jaccard overlap between two sets.
 * /*from w ww  . j a  v  a2 s  . c om*/
 * @param s1
 *          first set.
 * @param s2
 *          second set.
 * @return the Jaccard overlap.
 */
public static <T> double jaccardOverlap(Set<T> s1, Set<T> s2) {
    checkNotNull(s1);
    checkNotNull(s2);
    if (s1.isEmpty() || s2.isEmpty())
        return 0;
    double intersectSize = Sets.intersection(s1, s2).size();
    double unionSize = Sets.union(s1, s2).size();
    return intersectSize / unionSize;
}