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.datastax.driver.core.utils.SocketChannelMonitor.java

/**
 * <p/>//from   ww  w .jav a 2  s  . c  om
 * Report for all sockets matching the given predicate.  The report format reflects the number of open, closed,
 * live and total sockets created.  This is logged at DEBUG if enabled.
 * <p/>
 * <p/>
 * If TRACE is enabled, each individual socket will be logged as well.
 *
 * @param channelFilter used to determine which sockets to report on.
 */
public void report(Predicate<SocketChannel> channelFilter) {
    if (logger.isDebugEnabled()) {
        Iterable<SocketChannel> channels = matchingChannels(channelFilter);
        Iterable<SocketChannel> open = Iterables.filter(channels, openChannels);
        Iterable<SocketChannel> closed = Iterables.filter(channels, Predicates.not(openChannels));

        logger.debug(
                "Channel states: {} open, {} closed, live {}, total sockets created "
                        + "(including those that don't match filter) {}.",
                Iterables.size(open), Iterables.size(closed), Iterables.size(channels), channelsCreated.get());

        if (logger.isTraceEnabled()) {
            logger.trace("Open channels {}.", open);
            logger.trace("Closed channels {}.", closed);
        }
    }
}

---

From source file:com.facebook.buck.util.bser.BserSerializer.java

@SuppressWarnings("unchecked")
private static ByteBuffer appendRecursive(ByteBuffer buffer, Object value, CharsetEncoder utf8Encoder)
        throws IOException {
    if (value instanceof Boolean) {
        buffer = increaseBufferCapacityIfNeeded(buffer, 1);
        buffer.put(((boolean) value) ? BSER_TRUE : BSER_FALSE);
    } else if (value == null) {
        buffer = increaseBufferCapacityIfNeeded(buffer, 1);
        buffer.put(BSER_NULL);//  ww w . j av a 2 s.  c o m
    } else if (value instanceof String) {
        buffer = appendString(buffer, (String) value, utf8Encoder);
    } else if (value instanceof Double || value instanceof Float) {
        buffer = increaseBufferCapacityIfNeeded(buffer, 9);
        buffer.put(BSER_REAL);
        buffer.putDouble((double) value);
    } else if (value instanceof Long) {
        buffer = appendLong(buffer, (long) value);
    } else if (value instanceof Integer) {
        buffer = appendLong(buffer, (int) value);
    } else if (value instanceof Short) {
        buffer = appendLong(buffer, (short) value);
    } else if (value instanceof Byte) {
        buffer = appendLong(buffer, (byte) value);
    } else if (value instanceof Map<?, ?>) {
        Map<Object, Object> map = (Map<Object, Object>) value;
        int mapLen = map.size();
        BserIntegralEncodedSize encodedSize = getEncodedSize(mapLen);
        buffer = increaseBufferCapacityIfNeeded(buffer, 2 + encodedSize.size);
        buffer.put(BSER_OBJECT);
        buffer = appendLongWithSize(buffer, mapLen, encodedSize);
        for (Map.Entry<Object, Object> entry : map.entrySet()) {
            if (!(entry.getKey() instanceof String)) {
                throw new IOException(String.format("Unrecognized map key type %s, expected string",
                        entry.getKey().getClass()));
            }
            buffer = appendString(buffer, (String) entry.getKey(), utf8Encoder);
            buffer = appendRecursive(buffer, entry.getValue(), utf8Encoder);
        }
    } else if (value instanceof Iterable<?>) {
        Iterable<Object> iterable = (Iterable<Object>) value;
        int len = Iterables.size(iterable);
        BserIntegralEncodedSize encodedSize = getEncodedSize(len);
        buffer = increaseBufferCapacityIfNeeded(buffer, 2 + encodedSize.size);
        buffer.put(BSER_ARRAY);
        buffer = appendLongWithSize(buffer, len, encodedSize);
        for (Object obj : iterable) {
            buffer = appendRecursive(buffer, obj, utf8Encoder);
        }
    } else {
        throw new RuntimeException("Cannot encode object: " + value);
    }

    return buffer;
}

---

From source file:edu.mit.streamjit.util.bytecode.Module.java

public void dump(PrintWriter writer) {
    writer.write("module " + toString());
    writer.println();//from   ww w .j  ava2  s . c  o m
    List<Klass> mutable = new ArrayList<>(), immutable = new ArrayList<>();
    for (Klass k : klasses)
        if (k.isMutable())
            mutable.add(k);
        else
            immutable.add(k);

    writer.write(mutable.size() + " mutable klasses");
    writer.println();
    for (Klass k : mutable) {
        k.dump(writer);
        writer.println();
    }

    writer.write(immutable.size() + " immutable klasses");
    writer.println();
    for (Klass k : immutable) {
        //For brevity, just print names.
        writer.write(k.getName());
        writer.println();
    }
    writer.println();

    writer.write(Iterables.size(types()) + " types");
    writer.println();
    for (Type t : types()) {
        writer.write(t.toString());
        writer.println();
    }
    writer.println();

    writer.write(Iterables.size(constants()) + " constants");
    writer.println();
    for (Constant<?> c : constants()) {
        writer.write(c.toString());
        writer.println();
    }
}

---

From source file:org.obiba.opal.web.identifiers.IdentifiersMappingResource.java

@GET
@Path("/_count")
public String getEntitiesCount(@QueryParam("type") String entityType) {
    ensureEntityType(entityType);/*from  w  w  w .  j a  v a2s  .  c  om*/
    return String.valueOf(Iterables.size(getUnitIdentifiers(entityType)));
}

---

From source file:io.brooklyn.ambari.AmbariClusterImpl.java

@Override
public void init() {
    super.init();

    isHostGroupsDeployment = Iterables.size(getHostGroups()) > 0;

    addChild(createServerSpec(getConfig(SECURITY_GROUP)));
    if (!getConfig(SERVER_COMPONENTS).isEmpty()) {
        for (AmbariServer ambariServer : getAmbariServers()) {
            ambariServer.config().set(SoftwareProcess.CHILDREN_STARTABLE_MODE,
                    SoftwareProcess.ChildStartableMode.BACKGROUND_LATE);
            EntitySpec<? extends AmbariAgent> agentSpec = AmbariAgentImpl.createAgentSpec(this, null);
            ambariServer.addChild(agentSpec);
        }/*from   www. ja  va 2  s.  c om*/
    }

    services = MutableList.copyOf(getConfig(HADOOP_SERVICES));

    calculateTotalAgents();
    if (!isHostGroupsDeployment) {
        createClusterTopology();
        if (services.size() == 0) {
            services.addAll(DEFAULT_SERVICES);
        }
    }

    addEnricher(Enrichers.builder().propagating(Attributes.MAIN_URI).from(getMasterAmbariServer()).build());

    componentsByNode = new MutableMap<String, List<String>>();
    addDeprecatedExtraServiceToExtraServices();
    for (EntitySpec<? extends ExtraService> entitySpec : getConfig(EXTRA_HADOOP_SERVICES)) {
        LOG.warn(EXTRA_HADOOP_SERVICES.getName()
                + " configuration key is deprecated. Extra services should now be defined through as children by using 'brooklyn.children'");
        addChild(entitySpec);
    }

    final Iterable<String> ambariHostGroupNames = transform(getHostGroups(),
            new Function<AmbariHostGroup, String>() {
                @Nullable
                @Override
                public String apply(@Nullable AmbariHostGroup ambariHostGroup) {
                    return ambariHostGroup != null ? ambariHostGroup.getDisplayName() : null;
                }
            });

    for (ExtraService extraService : Entities.descendants(this, ExtraService.class)) {
        if (extraService.getConfig(ExtraService.SERVICE_NAME) == null
                && extraService.getConfig(ExtraService.COMPONENT_NAMES) == null) {
            continue;
        }

        if (isHostGroupsDeployment) {
            checkNotNull(extraService.getConfig(ExtraService.COMPONENT_NAMES),
                    "Entity \"%s\" must define a list of components names as this is a host groups based deployment. Please use the \"%s\" configuration key",
                    extraService.getEntityType().getName(), ExtraService.COMPONENT_NAMES.getName());

            for (ExtraService.ComponentMapping componentMapping : extraService.getComponentMappings()) {
                if (!componentMapping.getHost().equals(getConfig(SERVER_HOST_GROUP))
                        && !Iterables.contains(ambariHostGroupNames, componentMapping.getHost())) {
                    throw new IllegalStateException(String.format(
                            "Extra component \"%s\" of entity \"%s\" cannot be bound to \"%s\" host group because it does not exist. Please choose from %s or "
                                    + getConfig(SERVER_HOST_GROUP),
                            componentMapping.getComponent(), extraService.getEntityType().getName(),
                            componentMapping.getHost(), ambariHostGroupNames));
                }
                if (!componentsByNode.containsKey(componentMapping.getHost())) {
                    componentsByNode.put(componentMapping.getHost(), MutableList.<String>of());
                }
                componentsByNode.get(componentMapping.getHost()).add(componentMapping.getComponent());
            }
        } else {
            checkNotNull(extraService.getConfig(ExtraService.SERVICE_NAME),
                    "Entity \"%s\" must define a service name as this is a services based deployment. Please use the \"%s\" configuration key",
                    extraService.getEntityType().getName(), ExtraService.SERVICE_NAME.getName());

            if (StringUtils.isNotBlank(extraService.getConfig(ExtraService.SERVICE_NAME))) {
                services.add(extraService.getConfig(ExtraService.SERVICE_NAME));
            }
        }
    }

}

---

From source file:eu.esdihumboldt.hale.ui.cst.debug.metadata.internal.TreeGraphMLProvider.java

/**
 * method for gathering the string of a node value
 * /*w ww. ja v a  2 s .  com*/
 * @param value the node value
 * @return the dot-format-string
 */
private String getChildrencountString(Object value) {

    if (value instanceof Instance) {
        String ivalue = "Instance(" + Iterables.size(((Instance) value).getPropertyNames()) + ")";
        return ivalue;

    }
    if (value instanceof Group) {
        return "Group(" + Iterables.size(((Group) value).getPropertyNames()) + ")";
    }

    return value.toString();

}

---

From source file:fr.evercraft.essentials.command.EELag.java

private boolean commandLag(final CommandSource player) {
    Double tps = this.getTPS();
    List<Text> list = new ArrayList<Text>();

    list.add(EEMessages.LAG_TIME.getFormat().toText("<time>", this.plugin.getEverAPI().getManagerUtils()
            .getDate().formatDate(ManagementFactory.getRuntimeMXBean().getStartTime())));
    list.add(EEMessages.LAG_TPS.getFormat().toText("<tps>",
            Text.builder(tps.toString()).color(getColorTPS(tps)).build()));
    list.add(EEMessages.LAG_HISTORY_TPS.getFormat().toText("<tps>", getHistoryTPS()));
    list.add(EEMessages.LAG_MEMORY.getFormat().toText("<usage>",
            String.valueOf(Runtime.getRuntime().totalMemory() / 1024 / 1024), "<total>",
            String.valueOf(Runtime.getRuntime().maxMemory() / 1024 / 1024)));

    List<Text> worlds = new ArrayList<Text>();
    for (World world : this.plugin.getEServer().getWorlds()) {
        Map<String, EReplace<?>> replaces = new HashMap<String, EReplace<?>>();
        replaces.put("<world>", EReplace.of(world.getName()));
        replaces.put("<entities>", EReplace.of(String.valueOf(world.getEntities().size())));
        replaces.put("<tiles>", EReplace.of(String.valueOf(world.getTileEntities().size())));
        replaces.put("<chunks>", EReplace.of(String.valueOf(Iterables.size(world.getLoadedChunks()))));

        Text text = EEMessages.LAG_WORLDS_WORLD.getFormat().toText2(replaces);
        if (!text.getHoverAction().isPresent()
                && EEMessages.LAG_WORLDS_WORLD_HOVER.getMessage().getChat().isPresent()) {
            text = text.toBuilder().onHover(
                    TextActions.showText(EEMessages.LAG_WORLDS_WORLD_HOVER.getFormat().toText2(replaces)))
                    .build();/*www.ja v  a2 s  .  c  om*/
        }
        worlds.add(text);
    }

    list.add(EEMessages.LAG_WORLDS.getFormat().toText("<worlds>",
            Text.joinWith(EEMessages.LAG_WORLDS_SEPARATOR.getText(), worlds)));

    this.plugin.getEverAPI().getManagerService().getEPagination().sendTo(
            EEMessages.LAG_TITLE.getText().toBuilder().onClick(TextActions.runCommand("/lag")).build(), list,
            player);
    return true;
}

---

From source file:org.killbill.billing.invoice.calculator.InvoiceCalculatorUtils.java

private static BigDecimal computeInvoiceAmountAdjustedForAccountCredit(final Currency currency,
        final Iterable<InvoiceItem> invoiceItems) {
    BigDecimal amountAdjusted = BigDecimal.ZERO;
    if (invoiceItems == null || !invoiceItems.iterator().hasNext()) {
        return KillBillMoney.of(amountAdjusted, currency);
    }/*  w  w w . j a  v  a 2s  .co m*/

    for (final InvoiceItem invoiceItem : invoiceItems) {
        final Iterable<InvoiceItem> otherInvoiceItems = Iterables.filter(invoiceItems,
                new Predicate<InvoiceItem>() {
                    @Override
                    public boolean apply(final InvoiceItem input) {
                        return !input.getId().equals(invoiceItem.getId());
                    }
                });

        if (InvoiceItemType.CREDIT_ADJ.equals(invoiceItem.getInvoiceItemType())
                && (Iterables.size(otherInvoiceItems) == 1
                        && InvoiceItemType.CBA_ADJ
                                .equals(otherInvoiceItems.iterator().next().getInvoiceItemType())
                        && otherInvoiceItems.iterator().next().getInvoiceId().equals(invoiceItem.getInvoiceId())
                        && otherInvoiceItems.iterator().next().getAmount()
                                .compareTo(invoiceItem.getAmount().negate()) == 0)) {
            amountAdjusted = amountAdjusted.add(invoiceItem.getAmount());
        }
    }

    return KillBillMoney.of(amountAdjusted, currency);
}

---

From source file:org.killbill.billing.jaxrs.resources.UsageResource.java

@TimedResource
@POST/*from  w w  w .  j a  v  a 2 s. c o  m*/
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON)
@ApiOperation(value = "Record usage for a subscription")
@ApiResponses(value = { @ApiResponse(code = 400, message = "Invalid subscription (e.g. inactive)") })
public Response recordUsage(final SubscriptionUsageRecordJson json,
        @HeaderParam(HDR_CREATED_BY) final String createdBy, @HeaderParam(HDR_REASON) final String reason,
        @HeaderParam(HDR_COMMENT) final String comment,
        @javax.ws.rs.core.Context final HttpServletRequest request,
        @javax.ws.rs.core.Context final UriInfo uriInfo)
        throws EntitlementApiException, AccountApiException, UsageApiException {
    verifyNonNullOrEmpty(json, "SubscriptionUsageRecordJson body should be specified");
    verifyNonNullOrEmpty(json.getSubscriptionId(), "SubscriptionUsageRecordJson subscriptionId needs to be set",
            json.getUnitUsageRecords(), "SubscriptionUsageRecordJson unitUsageRecords needs to be set");
    Preconditions.checkArgument(!json.getUnitUsageRecords().isEmpty());
    for (final UnitUsageRecordJson unitUsageRecordJson : json.getUnitUsageRecords()) {
        verifyNonNullOrEmpty(unitUsageRecordJson.getUnitType(), "UnitUsageRecordJson unitType need to be set");
        Preconditions.checkArgument(Iterables.size(unitUsageRecordJson.getUsageRecords()) > 0,
                "UnitUsageRecordJson usageRecords must have at least one element.");
        for (final UsageRecordJson usageRecordJson : unitUsageRecordJson.getUsageRecords()) {
            verifyNonNull(usageRecordJson.getAmount(), "UsageRecordJson amount needs to be set");
            verifyNonNull(usageRecordJson.getRecordDate(), "UsageRecordJson recordDate needs to be set");
        }
    }
    final CallContext callContext = context.createContext(createdBy, reason, comment, request);
    // Verify subscription exists..
    final Entitlement entitlement = entitlementApi
            .getEntitlementForId(UUID.fromString(json.getSubscriptionId()), callContext);
    if (entitlement.getState() != EntitlementState.ACTIVE) {
        return Response.status(Status.BAD_REQUEST).build();
    }

    final SubscriptionUsageRecord record = json.toSubscriptionUsageRecord();
    usageUserApi.recordRolledUpUsage(record, callContext);
    return Response.status(Status.CREATED).build();
}

---

From source file:org.geogit.storage.memory.HeapGraphDatabase.java

@Override
public int getDepth(ObjectId commitId) {
    PathToRootWalker walker = new PathToRootWalker(graph.get(commitId).get());
    int depth = 0;
    O: while (walker.hasNext()) {
        for (Node n : walker.next()) {
            if (Iterables.size(n.to()) == 0) {
                break O;
            }/*from  w w w. ja v  a 2 s. c  om*/
        }
        depth++;
    }
    return depth;
}

---

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