Example usage for java.lang Iterable iterator

Introduction

In this page you can find the example usage for java.lang Iterable iterator.

Prototype

Iterator<T> iterator();

Source Link

Document

Returns an iterator over elements of type T .

Usage

From source file:net.solarnetwork.node.control.demandbalancer.DemandBalancer.java

private Integer collectDemandWatts() {
    log.debug("Collecting current consumption data to inform demand balancer...");
    Iterable<EnergyDatum> demand = null;
    try {/*w ww.j a v  a  2 s .c o m*/
        demand = getCurrentDatum(consumptionDataSource);
        if (demand.iterator().hasNext()) {
            stats.put(STAT_LAST_CONSUMPTION_COLLECTION_DATE, System.currentTimeMillis());
            stats.remove(STAT_LAST_CONSUMPTION_COLLECTION_ERROR);
        } else {
            stats.put(STAT_LAST_CONSUMPTION_COLLECTION_ERROR, ERROR_NO_DATA_RETURNED);
        }
    } catch (RuntimeException e) {
        log.error("Error collecting consumption data: {}", e.getMessage());
        stats.put(STAT_LAST_CONSUMPTION_COLLECTION_ERROR, messageForException(e));
    }
    return wattsForEnergyDatum(demand);
}

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From source file:org.ihtsdo.otf.refset.graph.gao.HistoryGao.java

/**
 * @param memberId/*from   w  w w  .j  a  v a  2s  .  co  m*/
 * @return {@link ChangeRecord}
 */
public ChangeRecord<Member> getMemberStateHistory(String memberId, String refsetId)
        throws RefsetGraphAccessException, EntityNotFoundException {

    Object[] criteria = { memberId, refsetId };

    LOGGER.debug("Getting member history for criteria {}", criteria);

    ChangeRecord<Member> history = new ChangeRecord<Member>();

    TitanGraph g = null;

    try {

        g = f.getReadOnlyGraph();
        Iterable<Vertex> vRs = g.query().has(TYPE, VertexType.refset.toString()).has(ID, refsetId).limit(1)
                .vertices();

        if (!vRs.iterator().hasNext()) {

            throw new EntityNotFoundException("Refset does not exist for given refset id " + refsetId);
        }

        Vertex vR = vRs.iterator().next();

        GremlinPipeline<Vertex, Vertex> pipe = new GremlinPipeline<Vertex, Vertex>(g);

        pipe.start(vR).inE(EdgeLabel.members.toString()).outV().has(ID, memberId).has(TYPE,
                VertexType.member.toString());

        List<Vertex> vMs = pipe.toList();

        for (Vertex vM : vMs) {

            Member currentMember = RefsetConvertor.getMember(vM);

            Iterable<Edge> edges = vM.getEdges(Direction.OUT, EdgeLabel.members.toString());
            for (Edge edge : edges) {

                Set<String> eKeys = edge.getPropertyKeys();
                if (eKeys.contains(REFERENCE_COMPONENT_ID)) {

                    String referenceComponentId = edge.getProperty(REFERENCE_COMPONENT_ID);
                    currentMember.setReferencedComponentId(referenceComponentId);

                }
            }

            GremlinPipeline<Vertex, Vertex> fPipe = new GremlinPipeline<Vertex, Vertex>();
            fPipe.start(vM).outE(EdgeLabel.hasState.toString()).inV().has(ACTIVE).has(TYPE,
                    VertexType.hMember.toString());

            List<Vertex> fls = fPipe.toList();

            List<Member> ms = RefsetConvertor.getStateMembers(fls);

            //we need to get missing data from existing member detail. TODO create full details during state creation
            for (Member m : ms) {

                if (StringUtils.isEmpty(m.getModuleId())) {

                    m.setModuleId(currentMember.getModuleId());
                }

                if (StringUtils.isEmpty(m.getReferencedComponentId())) {

                    m.setReferencedComponentId(currentMember.getReferencedComponentId());
                }

            }

            history.setRecords(ms);
        }

    } catch (EntityNotFoundException e) {

        RefsetGraphFactory.rollback(g);
        LOGGER.error("Error getting member state history", e);

        throw e;

    } catch (Exception e) {

        RefsetGraphFactory.rollback(g);
        LOGGER.error("Error getting member state history", e);
        throw new RefsetGraphAccessException(e.getMessage(), e);

    } finally {

        RefsetGraphFactory.shutdown(g);
    }

    LOGGER.debug("Returning {} ", history);

    return history;

}

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From source file:me.cybermaxke.merchants.v17r4.SMerchant.java

protected Collection<EntityPlayer>[] split(Iterable<Player> players) {
    Collection<EntityPlayer> list0 = null;
    Collection<EntityPlayer> list1 = null;
    Collection<EntityPlayer> list2 = null;
    Collection<EntityPlayer> list3 = null;

    Iterator<Player> it = players.iterator();
    while (it.hasNext()) {
        EntityPlayer player0 = ((CraftPlayer) it.next()).getHandle();

        int version = player0.playerConnection.networkManager.getVersion();
        if (version < 28) {
            if (list0 == null) {
                list0 = Lists.newArrayList();
            }//from   w  ww .  j a  v  a 2  s . com
            list0.add(player0);
        } else if (version < 29) {
            if (list1 == null) {
                list1 = Lists.newArrayList();
            }
            list1.add(player0);
        } else if (version < 47) {
            if (list2 == null) {
                list2 = Lists.newArrayList();
            }
            list2.add(player0);
        } else {
            if (list3 == null) {
                list3 = Lists.newArrayList();
            }
            list3.add(player0);
        }
    }

    // list0 < 28; list1 < 29; list3 < 47; list4 >= 47
    return new Collection[] { list0, list1, list2, list3 };
}

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From source file:com.infinira.aerospike.dataaccess.repository.AerospikeRepository.java

/**
 * Find all entities that match a given filter and qualifiers.
 * @param filter Filter on fields//w  ww.j a v a2  s. co m
 * @param qualifiers Qualifiers
 * @return ArrayList of entities
 */
@Override
public ArrayList<T> findAll(Filter filter, Qualifier... qualifiers) {
    final ArrayList<T> scanList = new ArrayList<T>();
    Iterable<T> results = findAllUsingQuery(filter, qualifiers);
    Iterator<T> iterator = results.iterator();
    try {
        while (iterator.hasNext()) {
            scanList.add(iterator.next());
            //System.out.println(iterator.next());
        }
    } finally {
        ((EntityIterator<T>) iterator).close();
    }
    return scanList;
}

---

From source file:io.brooklyn.ambari.server.AmbariServerImpl.java

@Override
public void addHostsToHostGroup(final String blueprintName, final String hostgroupName,
        final List<String> hosts, final String cluster) {
    Iterable<Map> hostGroupMapping = Iterables.transform(hosts, fqdnsToMaps(blueprintName, hostgroupName));
    LOG.info("hosts " + hostGroupMapping.iterator().hasNext());

    HostEndpoint hostEndpoint = restAdapter.create(HostEndpoint.class);
    Request request = hostEndpoint.addHosts(cluster, Lists.newArrayList(hostGroupMapping));

    RequestCheckRunnable.check(request)/*from w w  w. j ava 2 s .c  o  m*/
            .headers(ImmutableMap.of(HttpHeaders.AUTHORIZATION,
                    HttpTool.toBasicAuthorizationValue(usernamePasswordCredentials)))
            .timeout(Duration.ONE_HOUR)
            .errorMessage(String.format("Error during adding %s to %s", hosts, hostgroupName)).build().run();
}

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From source file:com.fluidops.iwb.api.WikiStorageBulkServiceImpl.java

private WikiRevision max(Iterable<WikiRevision> bootstrapRevisions) {
    WikiRevision latesBootstrapRevision = bootstrapRevisions.iterator().next();
    for (WikiRevision wikiRevision : bootstrapRevisions) {
        if (latesBootstrapRevision.date.getTime() < wikiRevision.date.getTime())
            latesBootstrapRevision = wikiRevision;
    }//from  w  w  w . j  a v  a2 s. co  m
    return latesBootstrapRevision;
}

---

From source file:org.dasein.cloud.qingcloud.compute.QingCloudImage.java

@Override
public void removeAllImageShares(@Nonnull String providerImageId) throws CloudException, InternalException {
    APITrace.begin(getProvider(), "Image.removeAllImageShares");
    try {// w w  w.  j  a  va  2  s . c  om
        Iterable<String> shares = listShares(providerImageId);

        QingCloudRequestBuilder requestBuilder = QingCloudRequestBuilder.post(getProvider())
                .action("RevokeImageFromUsers").parameter("image", providerImageId)
                .parameter("zone", getProvider().getZoneId());

        Iterator<String> sharesIterator = shares.iterator();
        int index = 1;
        while (sharesIterator.hasNext()) {
            requestBuilder.parameter("users." + (index++), sharesIterator.next());
        }

        Requester<ResponseModel> requester = new QingCloudRequester<ResponseModel, ResponseModel>(getProvider(),
                requestBuilder.build(), ResponseModel.class);

        requester.execute();
    } finally {
        APITrace.end();
    }
}

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From source file:com.github.rvesse.airline.model.OptionMetadata.java

public OptionMetadata(OptionType optionType, Iterable<String> options, String title, String description,
        int arity, boolean hidden, boolean overrides, boolean sealed, Iterable<OptionRestriction> restrictions,
        Iterable<Field> path) {
    //@formatter:on
    if (optionType == null)
        throw new NullPointerException("optionType cannot be null");
    if (options == null)
        throw new NullPointerException("options cannot be null");
    if (!options.iterator().hasNext())
        throw new NullPointerException("options cannot be empty");
    if (title == null)
        throw new NullPointerException("title cannot be null");

    this.optionType = optionType;
    this.options = AirlineUtils.unmodifiableSetCopy(options);
    this.title = title;
    this.description = description;
    this.arity = arity;
    this.hidden = hidden;
    this.overrides = overrides;
    this.sealed = sealed;
    this.restrictions = restrictions != null ? AirlineUtils.unmodifiableListCopy(restrictions)
            : Collections.<OptionRestriction>emptyList();

    if (path != null) {
        this.accessors = SetUtils.unmodifiableSet(AirlineUtils.singletonSet(new Accessor(path)));
    }// w w  w. ja va 2  s. c om
}

---

From source file:org.openbaton.vnfm.MediaServerManager.java

@Override
public VirtualNetworkFunctionRecord terminate(VirtualNetworkFunctionRecord virtualNetworkFunctionRecord) {
    log.info("Terminating vnfr with id " + virtualNetworkFunctionRecord.getId());
    ManagedVNFR managedVnfr = null;// w w w . j  a  va2  s. com
    Iterable<ManagedVNFR> managedVnfrs = managedVnfrRepository
            .findByVnfrId(virtualNetworkFunctionRecord.getId());
    if (managedVnfrs.iterator().hasNext()) {
        managedVnfr = managedVnfrs.iterator().next();
    } else {
        managedVnfr = new ManagedVNFR();
        managedVnfr.setNsrId(virtualNetworkFunctionRecord.getParent_ns_id());
        managedVnfr.setVnfrId(virtualNetworkFunctionRecord.getId());
    }
    managedVnfr.setTask(Action.RELEASE_RESOURCES);
    managedVnfrRepository.save(managedVnfr);
    try {
        elasticityManagement.deactivate(virtualNetworkFunctionRecord.getParent_ns_id(),
                virtualNetworkFunctionRecord.getId()).get(60, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
        log.error(e.getMessage(), e);
    } catch (ExecutionException e) {
        log.error(e.getMessage(), e);
    } catch (TimeoutException e) {
        log.error(e.getMessage(), e);
    }
    try {
        virtualNetworkFunctionRecord = nfvoRequestor.getNetworkServiceRecordAgent()
                .getVirtualNetworkFunctionRecord(virtualNetworkFunctionRecord.getParent_ns_id(),
                        virtualNetworkFunctionRecord.getId());
    } catch (SDKException e) {
        log.error(e.getMessage(), e);
    }
    for (VirtualDeploymentUnit vdu : virtualNetworkFunctionRecord.getVdu()) {
        Set<VNFCInstance> vnfciToRem = new HashSet<>();
        VimInstance vimInstance = null;
        try {
            vimInstance = Utils.getVimInstance(vdu.getVimInstanceName(), nfvoRequestor);
        } catch (NotFoundException e) {
            log.error(e.getMessage(), e);
        }
        for (VNFCInstance vnfcInstance : vdu.getVnfc_instance()) {
            log.debug("Releasing resources for vdu with id " + vdu.getId());
            try {
                mediaServerResourceManagement.release(vnfcInstance, vimInstance);
                log.debug("Removed VNFCinstance: " + vnfcInstance);
            } catch (VimException e) {
                log.error(e.getMessage(), e);
                throw new RuntimeException(e.getMessage(), e);
            }
            vnfciToRem.add(vnfcInstance);
            log.debug("Released resources for vdu with id " + vdu.getId());
        }
        vdu.getVnfc_instance().removeAll(vnfciToRem);
    }
    log.info("Terminated vnfr with id " + virtualNetworkFunctionRecord.getId());
    try {
        applicationManagement.deleteByVnfrId(virtualNetworkFunctionRecord.getId());
        mediaServerManagement.deleteByVnfrId(virtualNetworkFunctionRecord.getId());
    } catch (NotFoundException e) {
        log.warn(e.getMessage());
    }
    try {
        managedVnfrRepository.deleteByVnfrId(virtualNetworkFunctionRecord.getId());
    } catch (NotFoundException e) {
        log.warn("ManagedVNFR were not existing and therefore not deletable");
    }
    return virtualNetworkFunctionRecord;
}

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