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

Introduction

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

Prototype

@CheckReturnValue
public static <F, T> Iterable<T> transform(final Iterable<F> fromIterable,
        final Function<? super F, ? extends T> function)

Source Link

Document

Returns an iterable that applies function to each element of fromIterable .

Usage

From source file:com.eucalyptus.auth.policy.PolicyPrincipal.java

public PolicyPrincipal(final boolean notPrincipal, @Nonnull final PrincipalType type,
        @Nonnull final Set<String> values) {
    checkParam("type", type, notNullValue());
    checkParam("values", values, notNullValue());
    this.type = type;
    this.values = ImmutableSet.copyOf(Iterables.transform(values, PolicyUtils.internString()));
    this.notPrincipal = notPrincipal;
}

From source file:org.apache.cassandra.schema.Views.java

public Iterable<CFMetaData> metadatas() {
    return Iterables.transform(views.values(), view -> view.metadata);
}

From source file:org.obiba.opal.web.system.permissions.AdministrationPermissionsResource.java

/**
 * Get administration permissions.//from w  w  w  . jav  a2 s  .c  o m
 *
 * @param domain
 * @param type
 * @return
 */
@GET
public Iterable<Opal.Acl> getAdministrationPermissions(@QueryParam("type") SubjectType type) {
    Iterable<SubjectAclService.Permissions> permissions = subjectAclService.getNodePermissions(DOMAIN,
            getNode(), type);
    return Iterables.transform(permissions, PermissionsToAclFunction.INSTANCE);
}

From source file:shaded.org.openqa.selenium.remote.server.handler.internal.ResultConverter.java

public Object apply(Object result) {
    if (result instanceof WebElement) {
        String elementId = knownElements.add((WebElement) result);
        return ImmutableMap.of("ELEMENT", elementId);
    }//  ww  w  .j a va 2 s .  c o  m

    if (result instanceof List) {
        @SuppressWarnings("unchecked")
        List<Object> resultAsList = (List<Object>) result;
        return Lists.newArrayList(Iterables.transform(resultAsList, this));
    }

    if (result instanceof Map<?, ?>) {
        Map<?, ?> resultAsMap = (Map<?, ?>) result;
        Map<Object, Object> converted = Maps.newHashMapWithExpectedSize(resultAsMap.size());
        for (Map.Entry<?, ?> entry : resultAsMap.entrySet()) {
            converted.put(entry.getKey(), apply(entry.getValue()));
        }
        return converted;
    }

    if (result instanceof ResultSet) {
        Map<Object, Object> converted = Maps.newHashMap();
        converted.put("insertId", ((ResultSet) result).getLastInsertedRowId());
        converted.put("rowsAffected", ((ResultSet) result).getNumberOfRowsAffected());
        ResultSetRows rsRows = ((ResultSet) result).rows();
        List<Map<String, Object>> rows = Lists.newArrayList();
        for (int i = 0; i < rsRows.size(); i++) {
            rows.add(rsRows.item(i));
        }
        converted.put("rows", Lists.newArrayList(Iterables.transform(rows, this)));
        return converted;
    }

    return result;
}

From source file:org.apache.brooklyn.entity.nosql.mongodb.sharding.MongoDBConfigServerClusterImpl.java

@Override
public void start(Collection<? extends Location> locs) {
    super.start(locs);

    // TODO this should be an enricher
    Iterable<String> memberHostNamesAndPorts = Iterables.transform(getMembers(),
            new Function<Entity, String>() {
                @Override//from w  w  w.  ja v a  2s . c o  m
                public String apply(Entity entity) {
                    HostAndPort hostAndPort = BrooklynAccessUtils.getBrooklynAccessibleAddress(entity,
                            entity.getAttribute(MongoDBConfigServer.PORT));
                    return hostAndPort.getHostText() + ":" + hostAndPort.getPort();
                }
            });
    sensors().set(MongoDBConfigServerCluster.CONFIG_SERVER_ADDRESSES,
            ImmutableList.copyOf(memberHostNamesAndPorts));
}

From source file:org.jclouds.cloudloadbalancers.functions.UnwrapLoadBalancers.java

@Override
public Set<LoadBalancer> apply(HttpResponse arg0) {
    Map<String, Set<LB>> map = json.apply(arg0);
    if (map.size() == 0)
        return ImmutableSet.<LoadBalancer>of();
    ;//from ww w .  j a  va  2 s  . c o m
    return ImmutableSet.copyOf(Iterables.transform(Iterables.get(map.values(), 0), convertLB));
}

From source file:org.javersion.util.PersistentMap.java

default Iterable<K> keys() {
    return Iterables.transform(this, MapUtils.<K>mapKeyFunction());
}

From source file:org.killbill.billing.usage.api.svcs.DefaultInternalUserApi.java

@Override
public List<RawUsage> getRawUsageForAccount(final LocalDate stateDate, final LocalDate endDate,
        final InternalTenantContext internalTenantContext) {
    final List<RolledUpUsageModelDao> usage = rolledUpUsageDao.getRawUsageForAccount(stateDate, endDate,
            internalTenantContext);//  w  w w .j a  v a  2  s .  c  o  m
    return ImmutableList.copyOf(Iterables.transform(usage, new Function<RolledUpUsageModelDao, RawUsage>() {
        @Nullable
        @Override
        public RawUsage apply(final RolledUpUsageModelDao input) {
            return new DefaultRawUsage(input.getSubscriptionId(), input.getRecordDate(), input.getUnitType(),
                    input.getAmount());
        }
    }));
}

From source file:cosmos.results.CloseableIterable.java

public static <T> CloseableIterable<T> filterAndTransform(ScannerBase scanner,
        Predicate<Entry<Key, Value>> filter, Function<Entry<Key, Value>, T> func, Tracer t, String desc,
        Stopwatch sw) {/*from   w  ww  .  j a  va 2 s.c  o m*/
    return new CloseableIterable<T>(scanner, Iterables.transform(Iterables.filter(scanner, filter), func), t,
            desc, sw);
}

From source file:org.apache.aurora.scheduler.async.preemptor.LiveClusterState.java

@Override
public Multimap<String, PreemptionVictim> getSlavesToActiveTasks() {
    // Only non-pending active tasks may be preempted.
    Iterable<IAssignedTask> activeTasks = Iterables.transform(Storage.Util.fetchTasks(storage, CANDIDATE_QUERY),
            SCHEDULED_TO_ASSIGNED);/*w  w w . ja  v  a  2s  .  com*/

    // Group the tasks by slave id so they can be paired with offers from the same slave.
    // Choosing to do this iteratively instead of using Multimaps.index/transform to avoid
    // generating a very large intermediate map.
    ImmutableMultimap.Builder<String, PreemptionVictim> tasksBySlave = ImmutableMultimap.builder();
    for (IAssignedTask task : activeTasks) {
        tasksBySlave.put(task.getSlaveId(), PreemptionVictim.fromTask(task));
    }
    return tasksBySlave.build();
}