Example usage for com.google.common.collect Iterables 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:com.shin1ogawa.appengine.marketplace.gdata.LicensingAPI.java

/**
 * retrieve the domain's licensing state.
 * @param appId ID of application to do listing to Marketplace
 * @param domain domain name to be investigated
 * @return a map of domain's licensing state
 * <ul>//w w  w.j  a  v a2s . c  om
 * <li><code>id</code></li>
 * <li><code>enabled</code></li>
 * <li><code>state</code>: ACTIVE or UNLICENSED or PENDING</li>
 * </ul>
 * @see <a href="http://code.google.com/googleapps/marketplace/licensing.html#licensed">Check that a Domain is Licensed</a>
 * @throws GDataAPIException 
 */
public Map<String, String> retrieveLicenseStateOfDomain(String appId, String domain) {
    try {
        String url = "http://feedserver-enterprise.googleusercontent.com/license?bq=" + OPEN_SQUARE + "appid"
                + EQUAL + appId + CLOSE_BRACE + OPEN_SQUARE + "domain" + EQUAL + domain + CLOSE_BRACE;
        AppsPropertyService service = new AppsPropertyService(GDataAPIUtil.getApplicationName());
        service.setOAuthCredentials(oauthParams, new OAuthHmacSha1Signer());
        List<Map<String, String>> states = parseLicenseFeed(
                GDataAPIUtil.getXmlWithRetry(service, new URL(url)));
        if (Iterables.size(states) != 1) {
            throw new IllegalStateException("Too many state.");
        }
        return states.get(0);
    } catch (MalformedURLException e) {
        throw new GDataAPIUtil.GDataAPIException(e);
    } catch (SAXException e) {
        throw new GDataAPIUtil.GDataAPIException(e);
    } catch (IOException e) {
        throw new GDataAPIUtil.GDataAPIException(e);
    } catch (ParserConfigurationException e) {
        throw new GDataAPIUtil.GDataAPIException(e);
    } catch (OAuthException e) {
        throw new GDataAPIUtil.GDataAPIException(e);
    }
}

From source file:com.github.msoliter.iroh.container.resolvers.SubclassResolver.java

@Override
public Source resolve(final Field field) {

    /**/*from  ww w  .  j a  v  a 2 s  .  c  om*/
     * Find all potential sources by filter on whether or not a source's
     * type can be assigned to the field's type.
     */
    Iterable<Source> potential = Iterables
            .concat(Collections2.transform(Collections2.filter(sources.keySet(), new Predicate<Class<?>>() {

                @Override
                public boolean apply(Class<?> type) {
                    return field.getType().isAssignableFrom(type);
                }
            }), new Function<Class<?>, Collection<Source>>() {

                @Override
                public Collection<Source> apply(Class<?> type) {
                    return sources.get(type);
                }
            }));

    /**
     * If there isn't exactly one source in the set, check if there's 
     * exactly one overriding source available, in case we're unit testing.
     */
    if (Iterables.size(potential) != 1) {
        Iterable<Source> overriding = Iterables.filter(potential, new Predicate<Source>() {

            @Override
            public boolean apply(Source source) {
                return source.isOverriding();
            }
        });

        if (Iterables.size(overriding) != 1) {
            throw new UnexpectedImplementationCountException(field.getType(),
                    Iterables.transform(potential, new Function<Source, Class<?>>() {

                        @Override
                        public Class<?> apply(Source source) {
                            return source.getType();
                        }
                    }));

        } else {
            return overriding.iterator().next();
        }

    } else {
        return potential.iterator().next();
    }
}

From source file:org.trimou.handlebars.EachHelper.java

@SuppressWarnings("rawtypes")
private void processIterable(Iterable iterable, Options options) {
    int size = Iterables.size(iterable);
    if (size < 1) {
        return;// w  w  w .  j  a v  a 2s. c  o  m
    }
    final Iterator iterator = iterable.iterator();
    int i = 1;
    while (iterator.hasNext()) {
        nextElement(options, iterator.next(), size, i++, initFunction(options), initValueAlias(options));
    }
}

From source file:com.metamx.druid.indexing.common.task.MergeTaskBase.java

protected MergeTaskBase(final String id, final String dataSource, final List<DataSegment> segments) {
    super(/*from  w  w w. j ava 2s . co m*/
            // _not_ the version, just something uniqueish
            id != null ? id
                    : String.format("merge_%s_%s", computeProcessingID(dataSource, segments),
                            new DateTime().toString()),
            dataSource, computeMergedInterval(segments));

    // Verify segment list is nonempty
    Preconditions.checkArgument(segments.size() > 0, "segments nonempty");
    // Verify segments are all in the correct datasource
    Preconditions.checkArgument(Iterables.size(Iterables.filter(segments, new Predicate<DataSegment>() {
        @Override
        public boolean apply(@Nullable DataSegment segment) {
            return segment == null || !segment.getDataSource().equalsIgnoreCase(dataSource);
        }
    })) == 0, "segments in the wrong datasource");
    // Verify segments are all unsharded
    Preconditions.checkArgument(Iterables.size(Iterables.filter(segments, new Predicate<DataSegment>() {
        @Override
        public boolean apply(@Nullable DataSegment segment) {
            return segment == null || !(segment.getShardSpec() instanceof NoneShardSpec);
        }
    })) == 0, "segments without NoneShardSpec");

    this.segments = segments;
}

From source file:org.obm.xml.AcceptDifferentNamespaceXMLUnit.java

private static String getNodeNameWithoutNamespace(String nodeName) {
    Iterable<String> splitedName = Splitter.on(':').omitEmptyStrings().split(nodeName);
    if (Iterables.size(splitedName) == 2) {
        nodeName = Iterables.get(splitedName, 1);
    } else {/* w  ww .j  a  v a  2s. c o m*/
        throw new IllegalArgumentException("The node name is illegal : " + nodeName);
    }
    return nodeName;
}

From source file:org.erlide.ui.util.ETreeNode.java

/**
 * Returns whether the tree has any children.
 *
 * @return <code>true</code> if its array of children is not
 *         <code>null</code> and is non-empty; <code>false</code> otherwise.
 *//*from www .  jav a  2  s.c o m*/
public boolean hasChildren() {
    return children != null && Iterables.size(children) > 0;
}

From source file:org.thiesen.collections.set.impl.AbstractDelegatingMutableSet.java

@Override
public boolean hasSingleValueOnly() {
    return Iterables.size(delegate()) == 1;
}

From source file:com.facebook.buck.core.model.actiongraph.computation.SerialActionGraphFactory.java

@Override
public ActionGraphAndBuilder create(TargetNodeToBuildRuleTransformer transformer, TargetGraph targetGraph,
        ActionGraphCreationLifecycleListener actionGraphCreationLifecycleListener) {
    // TODO: Reduce duplication between the serial and parallel creation methods.
    ActionGraphBuilder graphBuilder = new SingleThreadedActionGraphBuilder(targetGraph, transformer,
            cellProvider);// ww  w.  j av  a2  s  .  c  o m

    actionGraphCreationLifecycleListener.onCreate(graphBuilder);

    LOG.debug("start target graph walk");
    new AbstractBottomUpTraversal<TargetNode<?>, RuntimeException>(targetGraph) {
        @Override
        public void visit(TargetNode<?> node) {
            if (shouldInstrumentGraphBuilding) {
                Clock clock = new DefaultClock();
                try (Scope ignored = ActionGraphPerfStatEvent.start(clock, eventBus,
                        () -> Iterables.size(graphBuilder.getBuildRules()),
                        () -> StreamSupport.stream(graphBuilder.getBuildRules().spliterator(), true)
                                .filter(rule -> rule instanceof NoopBuildRule
                                        || rule instanceof NoopBuildRuleWithDeclaredAndExtraDeps)
                                .count(),
                        node.getDescription().getClass().getName(),
                        node.getBuildTarget().getFullyQualifiedName())) {
                    graphBuilder.requireRule(node.getBuildTarget());
                }
            } else {
                graphBuilder.requireRule(node.getBuildTarget());
            }
        }
    }.traverse();
    LOG.debug("end target graph walk");

    return ActionGraphAndBuilder.builder().setActionGraph(new ActionGraph(graphBuilder.getBuildRules()))
            .setActionGraphBuilder(graphBuilder).build();
}

From source file:co.cask.cdap.internal.app.runtime.webapp.ServePathGenerator.java

private String findPath(String hostHeader, String path, String query) {
    // First try firstPathPart/src/restPath
    Iterable<String> pathParts = Splitter.on('/').limit(2).split(path);
    String servePath;/* w  ww.  ja  v a  2  s.  c  o  m*/
    if (Iterables.size(pathParts) > 1) {
        String part1 = Iterables.get(pathParts, 1);
        if (part1.startsWith(GATEWAY_PATH_V3) || part1.equals("status")) {
            return constructPath(part1, query);
        }

        servePath = String.format("%s/%s/%s%s%s", baseDir, hostHeader, Iterables.get(pathParts, 0), SRC_PATH,
                Iterables.get(pathParts, 1));
        if (fileExists.apply(servePath)) {
            return servePath;
        }

    } else if (Iterables.size(pathParts) == 1) {
        servePath = String.format("%s/%s/%s%s%s", baseDir, hostHeader, Iterables.get(pathParts, 0), SRC_PATH,
                "index.html");
        if (fileExists.apply(servePath)) {
            return servePath;
        }
    }

    // Next try src/path
    if (path.startsWith(GATEWAY_PATH_V3) || path.equals("status")) {
        return constructPath(path, query);
    }

    path = path.isEmpty() ? "index.html" : path;
    servePath = String.format("%s/%s%s%s", baseDir, hostHeader, SRC_PATH, path);
    if (fileExists.apply(servePath)) {
        return servePath;
    }

    return null;
}

From source file:org.apache.aurora.scheduler.base.Tasks.java

/**
 * Get the latest active task or the latest inactive task if no active task exists.
 *
 * @param tasks a collection of tasks//from www .  ja  v  a 2s.  c o m
 * @return the task that transitioned most recently.
 */
public static IScheduledTask getLatestActiveTask(Iterable<IScheduledTask> tasks) {
    Preconditions.checkArgument(Iterables.size(tasks) != 0);

    return Ordering.explicit(ORDERED_TASK_STATUSES).onResultOf(IScheduledTask::getStatus)
            .compound(LATEST_ACTIVITY).max(tasks);
}