Example usage for com.google.common.collect Iterables size

List of usage examples for com.google.common.collect Iterables size

  1. HOME
  2. Java
  3. com.google.common
  4. com.google.common.collect.*
  5. Iterables
  6. size

Introduction

In this page you can find the example usage for com.google.common.collect Iterables size.

Prototype

public static int size(Iterable<?> iterable)

Source Link

Document

Returns the number of elements in iterable .

Usage

From source file:net.sourceforge.cilib.util.selection.recipes.TournamentSelector.java

/**
 * {@inheritDoc}//from  w  w w  .j av a2 s  .  c o m
 */
@Override
public PartialSelection<E> on(Iterable<E> iterable) {
    int size = Iterables.size(iterable);
    int tournamentSize = Double.valueOf(this.tournamentProportion.getParameter() * size).intValue();
    List<E> intermediate = Selection.copyOf(iterable).orderBy(new RandomArrangement(random))
            .select(Samples.last(tournamentSize));
    return Selection.copyOf(intermediate).orderBy(new SortedArrangement()).orderBy(new ReverseArrangement());
}

From source file:org.opendaylight.controller.sal.schema.service.impl.GlobalBundleScanningSchemaServiceImpl.java

public void start() {
    checkState(context != null);// w w w.j  a  va  2  s . c o  m
    LOG.debug("start() starting");

    listenerTracker = new ServiceTracker<>(context, SchemaContextListener.class,
            GlobalBundleScanningSchemaServiceImpl.this);
    bundleTracker = new BundleTracker<>(context,
            Bundle.RESOLVED | Bundle.STARTING | Bundle.STOPPING | Bundle.ACTIVE, scanner);

    synchronized (lock) {
        bundleTracker.open();

        LOG.debug("BundleTracker.open() complete");

        boolean hasExistingListeners = Iterables.size(listeners.getListeners()) > 0;
        if (hasExistingListeners) {
            tryToUpdateSchemaContext();
        }
    }

    listenerTracker.open();
    starting = false;

    LOG.debug("start() complete");
}

From source file:com.gnapse.common.inflector.Inflectors.java

/**
 * Inflects all words in the given list, using the specified {@code Inflector}.
 *
 * @param inflector the inflector to use to inflect words
 * @param words the list of words to inflect
 * @return a new list containing the resulting inflected words
 *///  www. ja  v a2 s.com
public static List<String> inflectAll(Inflector inflector, Iterable<String> words) {
    final List<String> result = Lists.newArrayListWithCapacity(Iterables.size(words));
    for (String word : words) {
        result.add(inflector.apply(word));
    }
    return result;
}

From source file:com.caiyunworks.crm.business.service.impl.HolidayServiceImpl.java

@Override
public int update(Holiday record) throws UnsupportedOperationException, RecordNotExistException,
        OutOfDateRecordException, RecordAlreadyExistException {
    Holiday holiday = holidayRepository.findById(record.getId());
    if (null == holiday) {
        if (logger.isWarnEnabled()) {
            logger.warn("try to update holiday {}, but it does not exist in DB.", record.getId());
        }/*from w  w w  .ja va2s  . c o  m*/
        throw new RecordNotExistException();
    } else {
        if (!holiday.getVersionNumber().equals(record.getVersionNumber())) {
            if (logger.isWarnEnabled()) {
                logger.warn("holiday record is out of date, version {}, latest version {}",
                        record.getVersionNumber(), holiday.getVersionNumber());
            }
            throw new OutOfDateRecordException();
        }

        Iterable<Holiday> holidays = holidayRepository.findByNameOrDateRange(record.getName(),
                record.getStartDate(), record.getEndDate());
        if (null == holidays || Iterables.isEmpty(holidays)) {
            return holidayRepository.update(record);
        } else {
            if (Iterables.size(holidays) == 1 && Iterables.get(holidays, 0).getId() == record.getId()) {
                return holidayRepository.update(record);
            } else {
                if (logger.isWarnEnabled()) {
                    logger.warn("try to update holiday {}, but it is already exist in DB.", record);
                }
                throw new RecordAlreadyExistException();
            }
        }
    }
}

From source file:org.apache.giraph.comm.messages.SequentialFileMessageStore.java

@Override
public void addMessages(MessageStore<I, M> messageStore) throws IOException {
    // Writes messages to its file
    if (file.exists()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("addMessages: Deleting " + file);
        }/*from  w  ww.  jav  a2  s .c  om*/
        file.delete();
    }
    file.createNewFile();
    if (LOG.isDebugEnabled()) {
        LOG.debug("addMessages: Creating " + file);
    }

    DataOutputStream out = null;

    try {
        out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file), bufferSize));
        int destinationVertexIdCount = Iterables.size(messageStore.getDestinationVertices());
        out.writeInt(destinationVertexIdCount);

        // Since the message store messages might not be sorted, sort them if
        // necessary
        SortedSet<I> sortedSet;
        if (messageStore.getDestinationVertices() instanceof SortedSet) {
            sortedSet = (SortedSet<I>) messageStore.getDestinationVertices();
        } else {
            sortedSet = Sets.newTreeSet(messageStore.getDestinationVertices());
            for (I destinationVertexId : messageStore.getDestinationVertices()) {
                sortedSet.add(destinationVertexId);
            }
        }

        // Dump the vertices and their messages in a sorted order
        for (I destinationVertexId : sortedSet) {
            destinationVertexId.write(out);
            Iterable<M> messages = messageStore.getVertexMessages(destinationVertexId);
            int messageCount = Iterables.size(messages);
            out.writeInt(messageCount);
            if (LOG.isDebugEnabled()) {
                LOG.debug("addMessages: For vertex id " + destinationVertexId + ", messages = " + messageCount
                        + " to file " + file);
            }
            for (M message : messages) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("addMessages: Wrote " + message + " to " + file);
                }
                message.write(out);
            }
        }
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:org.jclouds.ec2.compute.strategy.EC2RunNodesAndAddToSetStrategy.java

@Override
public Map<?, Future<Void>> execute(String tag, int count, Template template, Set<NodeMetadata> goodNodes,
        Map<NodeMetadata, Exception> badNodes) {

    Reservation<? extends RunningInstance> reservation = createKeyPairAndSecurityGroupsAsNeededThenRunInstances(
            tag, count, template);/*from  w w  w. j a  v a2  s. co  m*/

    Iterable<String> ids = transform(reservation, instanceToId);

    String idsString = Joiner.on(',').join(ids);
    if (Iterables.size(ids) > 0) {
        logger.debug("<< started instances(%s)", idsString);
        all(reservation, instancePresent);
        logger.debug("<< present instances(%s)", idsString);
        populateCredentials(reservation);
    }

    return utils.runOptionsOnNodesAndAddToGoodSetOrPutExceptionIntoBadMap(template.getOptions(),
            transform(reservation, runningInstanceToNodeMetadata), goodNodes, badNodes);
}

From source file:org.trancecode.xproc.step.ValidateWithSchemaStepProcessor.java

@Override
protected void execute(final StepInput input, final StepOutput output) {
    final XdmNode sourceDoc = input.readNode(XProcPorts.SOURCE);
    final boolean useLocalHints = Boolean
            .parseBoolean(input.getOptionValue(XProcOptions.USE_LOCATION_HINTS, "false"));
    final boolean tryNamespaces = Boolean
            .parseBoolean(input.getOptionValue(XProcOptions.TRY_NAMESPACES, "false"));
    final boolean assertValid = Boolean.parseBoolean(input.getOptionValue(XProcOptions.ASSERT_VALID, "true"));
    final String mode = input.getOptionValue(XProcOptions.MODE, "strict");
    final Iterable<XdmNode> shemas = input.readNodes(XProcPorts.SCHEMA);
    XdmNode resultNode = sourceDoc;//from w ww.  jav a  2s.  c  o m
    boolean valid = false;
    try {
        final Processor processor = input.getPipelineContext().getProcessor();
        final StringReader reader = new StringReader(getXmlDocument(sourceDoc, processor));
        final InputSource source = new InputSource(reader);
        source.setSystemId(sourceDoc.getBaseURI().toASCIIString());
        final BuildingContentHandler handler = input.getPipelineContext().getProcessor().newDocumentBuilder()
                .newBuildingContentHandler();
        final SAXResult result = new SAXResult(handler);
        final SAXSource saxSource = new SAXSource(source);
        final XMLReader xmlReader = XMLReaderFactory.createXMLReader(DEFAULT_PARSER_NAME);
        saxSource.setXMLReader(xmlReader);
        final InputSource sourceSchema = new InputSource();
        if (Iterables.size(shemas) > 0) {
            final XdmNode schema = shemas.iterator().next();
            final StringReader stringSchema = new StringReader(getXmlDocument(schema, processor));
            sourceSchema.setCharacterStream(stringSchema);
            sourceSchema.setSystemId(schema.getBaseURI().toASCIIString());
        } else {
            sourceSchema.setCharacterStream(new StringReader(""));
        }

        final SAXSource saxSchema = new SAXSource(sourceSchema);
        valid = validate(saxSource, saxSchema, result, useLocalHints, tryNamespaces);
        if (valid) {
            resultNode = handler.getDocumentNode();
        }
    } catch (Exception e) {
        valid = false;
    }

    if (assertValid && !valid) {
        throw XProcExceptions.xc0053(input.getLocation());
    }
    output.writeNodes(XProcPorts.RESULT, resultNode);
}

From source file:org.gradle.model.internal.registry.ModelElementNode.java

@Override
public int getLinkCount(Predicate<? super MutableModelNode> predicate) {
    return Iterables.size(Iterables.filter(links.values(), predicate));
}

From source file:org.apache.druid.indexing.common.task.MergeTaskBase.java

protected void verifyInputSegments(List<DataSegment> segments) {
    // Verify segments are all unsharded
    Preconditions.checkArgument(Iterables.size(Iterables.filter(segments, new Predicate<DataSegment>() {
        @Override//  ww w  .  j a v a  2 s .  c o  m
        public boolean apply(@Nullable DataSegment segment) {
            return segment == null || !(segment.getShardSpec() instanceof NoneShardSpec);
        }
    })) == 0, "segments without NoneShardSpec");
}

From source file:edu.mit.streamjit.util.bytecode.insts.CallInst.java

@Override
public CallInst clone(Function<Value, Value> operandMap) {
    Value[] arguments = new Value[Iterables.size(arguments())];
    for (int i = 0; i < arguments.length; ++i)
        arguments[i] = operandMap.apply(getArgument(i));
    Method newMethod = (Method) operandMap.apply(getMethod());
    MethodType newMethodType = newMethod.isSignaturePolymorphic() ? methodType : newMethod.getType();
    return new CallInst(newMethod, newMethodType, arguments);
}