Example usage for com.google.common.collect Iterators all

List of usage examples for com.google.common.collect Iterators all

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Introduction

In this page you can find the example usage for com.google.common.collect Iterators all.

Prototype

public static <T> boolean all(Iterator<T> iterator, Predicate<? super T> predicate)

Source Link

Document

Returns true if every element returned by iterator satisfies the given predicate.

Usage

From source file:org.polarsys.reqcycle.traceability.table.handlers.DeleteLinkHandler.java

@Override
public boolean isEnabled() {
    ISelection selection = getSelection();
    if (selection instanceof IStructuredSelection) {
        Iterator<?> iterator = ((IStructuredSelection) selection).iterator();
        return Iterators.all(iterator, Predicates.instanceOf(TransverseLink.class));
    }//from  w  w w  . j  a va2  s  .  c o  m
    return false;
}

From source file:org.cryptomator.frontend.webdav.servlet.WebDavServlet.java

@Override
protected boolean isPreconditionValid(WebdavRequest request, DavResource resource) {
    IfHeader ifHeader = new IfHeader(request);
    if (ifHeader.hasValue() && Iterators.all(ifHeader.getAllTokens(), Predicates.equalTo(NO_LOCK))) {
        // https://tools.ietf.org/html/rfc4918#section-10.4.8:
        // "DAV:no-lock" is known to never represent a current lock token.
        return false;
    } else if (ifHeader.hasValue() && Iterators.any(ifHeader.getAllNotTokens(), Predicates.equalTo(NO_LOCK))) {
        // by applying "Not" to a state token that is known not to be current, the Condition always evaluates to true.
        return true;
    } else {//from w  ww  . j a  va  2 s  .c  o  m
        return request.matchesIfHeader(resource);
    }
}

From source file:org.onosproject.cordconfig.access.AccessAgentConfig.java

private boolean areOltsValid() {
    JsonNode olts = node.get(OLTS);//w  w  w . j  av  a 2s .c  om
    if (!olts.isObject()) {
        return false;
    }
    return Iterators.all(olts.fields(), item -> ConnectPoint.deviceConnectPoint(item.getKey()) != null
            && isMacAddress((ObjectNode) olts, item.getKey(), MANDATORY));
}

From source file:de.cau.cs.kieler.ecoreviz.OpenDiagramHandler.java

/**
 * {@inheritDoc}//from  w  w w. ja v a  2  s . c  o  m
 */
@SuppressWarnings("unchecked")
public Object execute(final ExecutionEvent event) throws ExecutionException {
    final ISelection selection = HandlerUtil.getCurrentSelection(event);

    if (selection instanceof IStructuredSelection) {
        final IStructuredSelection sSelection = (IStructuredSelection) selection;
        final List<EModelElement> listSelection = new LinkedList<EModelElement>();
        if (selection instanceof KlighdTreeSelection) {
            // do not react on selections in KLighD diagrams
            return null;
        }

        // if all elements are either ecore packages or classes
        if (Iterators.all(sSelection.iterator(), EPACKAGE_ECLASS_PREDICATE)) {
            Iterator<EModelElement> emIt = Iterators.filter(sSelection.iterator(), EMODEL_ELEMENT_PREDICATE);
            while (emIt.hasNext()) {
                listSelection.add(emIt.next());
            }
        } else {
            // otherwise check the elements piece by piece for files
            for (Object o : sSelection.toArray()) {
                if (o instanceof IFile) {
                    try {
                        IFile f = (IFile) o;
                        ResourceSet rs = new ResourceSetImpl();
                        Resource r = rs.getResource(
                                URI.createPlatformResourceURI(f.getFullPath().toString(), true), true);
                        if (r.getContents().size() > 0) {
                            if (r.getContents().get(0) instanceof EPackage) {
                                listSelection.add((EModelElement) r.getContents().get(0));
                            }
                        }
                    } catch (Exception e) {
                        StatusManager.getManager().handle(
                                new Status(IStatus.ERROR, PLUGIN_ID, "Could not load selected file.", e),
                                StatusManager.SHOW);
                    }
                } else {
                    handleUnknownSelection(selection);

                    return null;
                }
            }
        }

        EModelElementCollection model = EModelElementCollection.of(listSelection.iterator());

        DiagramViewManager.createView("de.cau.cs.kieler.ecoreviz.EModelElementCollectionDiagram",
                "Ecore Diagram", model, KlighdSynthesisProperties.create());

        return null;
    }

    handleUnknownSelection(selection);

    return null;
}

From source file:org.eclipse.sirius.business.internal.modelingproject.manager.InitializeModelingProjectJob.java

/**
 * Constructor.//from   ww w . java 2s  . com
 * 
 * @param projects
 *            The projects concerned by this job
 */
public InitializeModelingProjectJob(List<IProject> projects) {
    this(Iterators.all(projects.iterator(), new Predicate<IProject>() {
        @Override
        public boolean apply(IProject input) {
            try {
                return input.members().length == 1;
            } catch (CoreException e) {
                return false;
            }
        }
    }) ? JOB_LABEL_FOR_EMPTY_PROJECTS : JOB_LABEL);
    this.projects = projects;
}

From source file:com.github.jonross.seq4j.Seq.java

/**
 * Wraps {@link Iterators#all(Iterator, Predicate); returns true if every element in the
 * sequence satisfies the given predicate.
 */// w w  w. ja  va  2  s.  co  m

boolean all(Predicate<? super T> p) {
    return Iterators.all(this, p);
}

From source file:org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.OpenRepresentationsFileJob.java

/**
 * Constructor to open several representations files.
 *
 * @param elements//from  w ww .  ja v a  2 s  .c o m
 *            A list of URIs of the representations files to open or a list
 *            of the modeling projects to initialize and open.
 */
public OpenRepresentationsFileJob(List<? extends Object> elements) {
    super(OpenRepresentationsFileJob.JOB_LABEL);
    if (!(Iterators.all(elements.iterator(), Predicates.instanceOf(URI.class))
            || Iterators.all(elements.iterator(), Predicates.instanceOf(ModelingProject.class)))) {
        throw new IllegalArgumentException(Messages.OpenRepresentationsFileJob_errorInvalidInputList);
    }
    Iterators.addAll(this.representationsFilesURIs, Iterators.filter(elements.iterator(), URI.class));
    Iterators.addAll(this.modelingProjects, Iterators.filter(elements.iterator(), ModelingProject.class));
}

From source file:org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.OpenRepresentationsFileJob.java

/**
 * Launch this job when all other openRepresentationFile's job are finished.
 *
 * @param elements//from w  ww  .  ja v  a2 s.c  om
 *            A list of URIs of the representations files to open or a list
 *            of the modeling projects to initialize and open.
 * @param user
 *            <code>true</code> if this job is a user-initiated job, and
 *            <code>false</code> otherwise.
 */
public static void scheduleNewWhenPossible(List<? extends Object> elements, boolean user) {
    if (!(Iterators.all(elements.iterator(), Predicates.instanceOf(URI.class))
            || Iterators.all(elements.iterator(), Predicates.instanceOf(ModelingProject.class)))) {
        throw new IllegalArgumentException(Messages.OpenRepresentationsFileJob_errorInvalidInputList);
    }

    // Just wait other job if some are already in progress
    OpenRepresentationsFileJob.waitOtherJobs();

    // Schedule a new job for this representations file.
    Job job = new OpenRepresentationsFileJob(elements);
    job.setUser(user);
    job.setPriority(Job.SHORT);
    job.schedule();
}

From source file:org.apache.cassandra.noTTL.NoTTLReader.java

/**
 * Calculate approximate key count.//from   www. j ava2s  .  co  m
 * If cardinality estimator is available on all given sstables, then this method use them to estimate
 * key count.
 * If not, then this uses index summaries.
 *
 * @param sstables SSTables to calculate key count
 * @return estimated key count
 */
public static long getApproximateKeyCount(Collection<NoTTLReader> sstables) {
    long count = -1;

    // check if cardinality estimator is available for all SSTables
    boolean cardinalityAvailable = !sstables.isEmpty()
            && Iterators.all(sstables.iterator(), new Predicate<NoTTLReader>() {
                public boolean apply(NoTTLReader sstable) {
                    return sstable.descriptor.version.hasNewStatsFile();
                }
            });

    // if it is, load them to estimate key count
    if (cardinalityAvailable) {
        boolean failed = false;
        ICardinality cardinality = null;
        for (NoTTLReader sstable : sstables) {
            if (sstable.openReason == OpenReason.EARLY)
                continue;

            try {
                CompactionMetadata metadata = (CompactionMetadata) sstable.descriptor.getMetadataSerializer()
                        .deserialize(sstable.descriptor, MetadataType.COMPACTION);
                // If we can't load the CompactionMetadata, we are forced to estimate the keys using the index
                // summary. (CASSANDRA-10676)
                if (metadata == null) {
                    logger.warn("Reading cardinality from Statistics.db failed for {}", sstable.getFilename());
                    failed = true;
                    break;
                }

                if (cardinality == null)
                    cardinality = metadata.cardinalityEstimator;
                else
                    cardinality = cardinality.merge(metadata.cardinalityEstimator);
            } catch (IOException e) {
                logger.warn("Reading cardinality from Statistics.db failed.", e);
                failed = true;
                break;
            } catch (CardinalityMergeException e) {
                logger.warn("Cardinality merge failed.", e);
                failed = true;
                break;
            }
        }
        if (cardinality != null && !failed)
            count = cardinality.cardinality();
    }

    // if something went wrong above or cardinality is not available, calculate using index summary
    if (count < 0) {
        for (NoTTLReader sstable : sstables)
            count += sstable.estimatedKeys();
    }
    return count;
}

From source file:org.apache.kudu.client.KuduTable.java

/**
 * Retrieves a formatted representation of this table's range partitions. The
 * range partitions will be returned in sorted order by value, and will
 * contain no duplicates.//from ww w.j  a  va2 s .  c  om
 *
 * @param deadline the deadline of the operation
 * @return a list of the formatted range partitions
 */
@InterfaceAudience.LimitedPrivate("Impala")
@InterfaceStability.Unstable
public List<String> getFormattedRangePartitions(long deadline) throws Exception {
    List<String> rangePartitions = new ArrayList<>();
    for (LocatedTablet tablet : getTabletsLocations(deadline)) {
        Partition partition = tablet.getPartition();
        // Filter duplicate range partitions by taking only the tablets whose hash
        // partitions are all 0s.
        if (!Iterators.all(partition.getHashBuckets().iterator(), Predicates.equalTo(0))) {
            continue;
        }
        rangePartitions.add(partition.formatRangePartition(this));
    }
    return rangePartitions;
}