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

Introduction

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

Prototype

public static <T> T get(Iterable<T> iterable, int position) 

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:com.tage.calcite.adapter.druid.DruidTable.java

/** Creates a {@link com.tage.calcite.adapter.druid.DruidTable}
 *
 * @param druidSchema Druid schema/*w w  w .  j a v  a2s .com*/
 * @param dataSourceName Data source name in Druid, also table name
 * @param intervals Intervals, or null to use default
 * @param fieldMap Mutable map of fields (dimensions plus metrics);
 *        may be partially populated already
 * @param metricNameSet Mutable set of metric names;
 *        may be partially populated already
 * @param timestampColumnName Name of timestamp column, or null
 * @param connection If not null, use this connection to find column
 *                   definitions
 * @return A table
 */
static Table create(DruidSchema druidSchema, String dataSourceName, List<String> intervals,
        Map<String, SqlTypeName> fieldMap, Set<String> metricNameSet, String timestampColumnName,
        com.tage.calcite.adapter.druid.DruidConnectionImpl connection) {
    if (connection != null) {
        connection.metadata(dataSourceName, intervals, fieldMap, metricNameSet);
    }
    final ImmutableMap<String, SqlTypeName> fields = ImmutableMap.copyOf(fieldMap);
    if (timestampColumnName == null) {
        timestampColumnName = Iterables.get(fieldMap.keySet(), 0);
    }
    return new com.tage.calcite.adapter.druid.DruidTable(druidSchema, dataSourceName,
            new MapRelProtoDataType(fields), ImmutableSet.copyOf(metricNameSet), intervals,
            Util.first(timestampColumnName, "__time"));
}

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From source file:com.opengamma.financial.analytics.model.pnl.HistoricalValuationPnLFunction.java

@Override
public Set<ValueRequirement> getRequirements(FunctionCompilationContext context, ComputationTarget target,
        ValueRequirement desiredValue) {
    final ValueProperties outputConstraints = desiredValue.getConstraints();
    Set<String> startDates = desiredValue.getConstraints()
            .getValues(HistoricalTimeSeriesFunctionUtils.START_DATE_PROPERTY);
    if (startDates == null || startDates.size() != 1) {
        return null;
    }//from w  w  w .j  a va  2  s  .c  o  m
    Set<String> endDates = desiredValue.getConstraints()
            .getValues(HistoricalTimeSeriesFunctionUtils.END_DATE_PROPERTY);
    if (endDates == null || endDates.size() != 1) {
        return null;
    }
    Set<String> desiredCurrencies = desiredValue.getConstraints().getValues(ValuePropertyNames.CURRENCY);
    if (desiredCurrencies == null || desiredCurrencies.isEmpty()) {
        Collection<Currency> targetCurrencies = FinancialSecurityUtils
                .getCurrencies(target.getPosition().getSecurity(), context.getSecuritySource());
        // REVIEW jonathan 2013-03-12 -- should we pass through all the currencies and see what it wants to produce?
        desiredCurrencies = ImmutableSet.of(Iterables.get(targetCurrencies, 0).getCode());
    }
    String pnlSeriesStartDateProperty = ValueRequirementNames.PNL_SERIES + "_"
            + HistoricalTimeSeriesFunctionUtils.START_DATE_PROPERTY;
    ValueProperties.Builder requirementConstraints = desiredValue.getConstraints().copy()
            .withoutAny(ValuePropertyNames.CURRENCY)
            .with(HistoricalValuationFunction.PASSTHROUGH_PREFIX + ValuePropertyNames.CURRENCY,
                    desiredCurrencies)
            .withoutAny(ValuePropertyNames.PROPERTY_PNL_CONTRIBUTIONS)
            .withoutAny(ValuePropertyNames.SCHEDULE_CALCULATOR).withoutAny(ValuePropertyNames.SAMPLING_FUNCTION)
            .withoutAny(HistoricalTimeSeriesFunctionUtils.START_DATE_PROPERTY)
            .with(pnlSeriesStartDateProperty,
                    outputConstraints.getValues(HistoricalTimeSeriesFunctionUtils.START_DATE_PROPERTY))
            .withOptional(pnlSeriesStartDateProperty);

    String startDate = getPriceSeriesStart(outputConstraints);
    if (startDate == null) {
        return null;
    }
    requirementConstraints.with(HistoricalTimeSeriesFunctionUtils.START_DATE_PROPERTY, startDate);
    removeTransformationProperties(requirementConstraints);
    return ImmutableSet.of(new ValueRequirement(ValueRequirementNames.HISTORICAL_TIME_SERIES,
            target.toSpecification(), requirementConstraints.get()));
}

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From source file:com.urswolfer.intellij.plugin.gerrit.git.GerritGitUtil.java

public static void fetchChange(final Project project, final GitRepository gitRepository, final String branch,
        @Nullable final Callable<Void> successCallable) {
    GitVcs.runInBackground(new Task.Backgroundable(project, "Fetching...", false) {
        @Override/* w w  w.j  a  va 2  s  . c o  m*/
        public void onSuccess() {
            super.onSuccess();
            try {
                if (successCallable != null) {
                    successCallable.call();
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        public void run(@NotNull ProgressIndicator indicator) {
            final VirtualFile virtualFile = gitRepository.getGitDir();
            final GitRemote gitRemote = Iterables.get(gitRepository.getRemotes(), 0);
            final String url = Iterables.get(gitRepository.getRemotes(), 0).getFirstUrl();
            GerritGitUtil.fetchNatively(virtualFile, gitRemote, url, branch, project, indicator);
        }
    });
}

---

From source file:org.jclouds.gogrid.compute.strategy.FindPublicIpThenCreateNodeInGroup.java

@Override
public NodeMetadata createNodeWithGroupEncodedIntoName(String group, String name, Template template) {
    Server addedServer = null;/*from   w  w w  .j  av a2 s  .  com*/
    boolean notStarted = true;
    int numOfRetries = 20;
    // lock-free consumption of a shared resource: IP address pool
    while (notStarted) { // TODO: replace with Predicate-based thread
        // collision avoidance for
        // simplicity
        Set<Ip> availableIps = client.getIpServices().getIpList(new GetIpListOptions().onlyUnassigned()
                .onlyWithType(IpType.PUBLIC).inDatacenter(template.getLocation().getId()));
        if (availableIps.size() == 0)
            throw new RuntimeException("No public IPs available on this identity.");
        int ipIndex = new SecureRandom().nextInt(availableIps.size());
        Ip availableIp = Iterables.get(availableIps, ipIndex);
        try {
            addedServer = addServer(name, template, availableIp);
            notStarted = false;
        } catch (Exception e) {
            if (--numOfRetries == 0)
                Throwables.propagate(e);
            notStarted = true;
        }
    }
    if (template.getOptions().shouldBlockUntilRunning()) {
        serverLatestJobCompleted.apply(addedServer);
        client.getServerServices().power(addedServer.getName(), PowerCommand.START);
        serverLatestJobCompletedShort.apply(addedServer);
        addedServer = Iterables
                .getOnlyElement(client.getServerServices().getServersByName(addedServer.getName()));
    }
    return serverToNodeMetadata.apply(addedServer);
}

---

From source file:blue.lapis.pore.impl.inventory.PorePlayerInventory.java

@Override
public void setHelmet(ItemStack helmet) {
    // this code relies on the notion that Mojang won't implement hydra-people or something
    Iterables.get(this.getHandle().query(EquipmentTypes.HEADWEAR).<Slot>slots(), 0)
            .set(ItemStackConverter.of(helmet));
}

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From source file:com.yahoo.yqlplus.language.logical.TypeCheckers.java

@SuppressWarnings("unchecked")
private static OperatorTypeChecker createChecker(Operator parent, int idx, Object value) {
    if (value instanceof TypeLiteral) {
        TypeLiteral<?> lit = (TypeLiteral<?>) value;
        Class<?> raw = lit.getRawType();
        if (List.class.isAssignableFrom(raw)) {
            Preconditions.checkArgument(lit.getType() instanceof ParameterizedType,
                    "TypeLiteral without a ParameterizedType for List");
            ParameterizedType type = (ParameterizedType) lit.getType();
            TypeLiteral<?> arg = TypeLiteral.get(type.getActualTypeArguments()[0]);
            if (OperatorNode.class.isAssignableFrom(arg.getRawType())) {
                Preconditions.checkArgument(arg.getType() instanceof ParameterizedType,
                        "Type spec must be List<OperatorNode<?>>");
                Class<? extends Operator> optype = (Class<? extends Operator>) TypeLiteral
                        .get(((ParameterizedType) arg.getType()).getActualTypeArguments()[0]).getRawType();
                return new OperatorNodeListTypeChecker(parent, idx, optype, ImmutableSet.<Operator>of());
            } else {
                return new JavaListTypeChecker(parent, idx, arg.getRawType());
            }/*from   w  w  w .  jav a2 s . c o m*/
        }
        throw new IllegalArgumentException("don't know how to handle TypeLiteral " + value);
    }
    if (value instanceof Class) {
        Class<?> clazz = (Class<?>) value;
        if (Operator.class.isAssignableFrom(clazz)) {
            return new NodeTypeChecker(parent, idx, (Class<? extends Operator>) clazz,
                    ImmutableSet.<Operator>of());
        } else {
            return new JavaTypeChecker(parent, idx, clazz);
        }
    } else if (value instanceof Operator) {
        Operator operator = (Operator) value;
        Class<? extends Operator> clazz = operator.getClass();
        Set<? extends Operator> allowed;
        if (Enum.class.isInstance(value)) {
            Class<? extends Enum> enumClazz = (Class<? extends Enum>) clazz;
            allowed = (Set<? extends Operator>) EnumSet.of(enumClazz.cast(value));
        } else {
            allowed = ImmutableSet.of(operator);
        }
        return new NodeTypeChecker(parent, idx, clazz, allowed);
    } else if (value instanceof EnumSet) {
        EnumSet<?> v = (EnumSet<?>) value;
        Enum elt = Iterables.get(v, 0);
        if (elt instanceof Operator) {
            Class<? extends Operator> opclass = (Class<? extends Operator>) elt.getClass();
            Set<? extends Operator> allowed = (Set<? extends Operator>) v;
            return new NodeTypeChecker(parent, idx, opclass, allowed);
        }
    } else if (value instanceof Set) {
        // Set<Class<?>>
        return new JavaUnionTypeChecker(parent, idx, (Set<Class<?>>) value);
    }
    throw new IllegalArgumentException("I don't know how to create a checker from " + value);
}

---

From source file:org.dtolabs.rundeck.jclouds.impl.BaseRundeckMapper.java

String mapHostname(final NodeMetadata metadata) {
    if (null != metadata.getPublicAddresses() && metadata.getPublicAddresses().size() > 0) {
        return Iterables.get(metadata.getPublicAddresses(), 0);
    } else if (null != metadata.getPrivateAddresses() && metadata.getPrivateAddresses().size() > 0) {
        return Iterables.get(metadata.getPrivateAddresses(), 0);
    }/*from w w w  .  j  av a  2  s .co m*/
    return null;
}

---

From source file:org.icgc.dcc.portal.util.ElasticsearchResponseUtils.java

public static Long getLong(Object value) {
    if (null == value) {
        return null;
    }//from w w  w  . ja  va2  s  .c  o  m

    if (value instanceof Long) {
        return (Long) value;
    }

    if (value instanceof Float) {
        return ((Float) value).longValue();
    }

    if (value instanceof Integer) {
        return Long.valueOf((Integer) value);
    }

    if (value instanceof Iterable<?>) {
        val iterable = (Iterable<?>) value;
        return Iterables.isEmpty(iterable) ? null : Longs.tryParse(Iterables.get(iterable, 0).toString());
    }

    return Longs.tryParse(value.toString());
}

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From source file:com.replaymod.replaystudio.pathing.change.RemoveKeyframe.java

@Override
public void undo(Timeline timeline) {
    Preconditions.checkState(applied, "Not yet applied!");

    Path path = timeline.getPaths().get(this.path);
    path.insert(removedKeyframe);//  ww  w.jav  a2 s  .  c o m
    if (removedInterpolator != null) {
        if (index == path.getSegments().size()) {
            // The keyframe is the last one, restore the previous interpolator
            Iterables.get(path.getSegments(), index - 1).setInterpolator(removedInterpolator);
        } else {
            // Save the next iterpolator
            Iterables.get(path.getSegments(), index).setInterpolator(removedInterpolator);
        }
    }

    applied = false;
}

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From source file:org.richfaces.request.MultipartRequest25.java

@Override
public String getParameter(String name) {

    String parameter = super.getParameter(name);
    if (parameter != null) {
        return parameter;
    }/* w w  w.j  a v  a 2s.co  m*/

    parseIfNecessary();
    Collection<String> values = params.get(name);

    if (values.isEmpty()) {
        return null;
    }

    return Iterables.get(values, 0);
}

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