Example usage for com.google.common.base Optional asSet

Introduction

In this page you can find the example usage for com.google.common.base Optional asSet.

Prototype

public abstract Set<T> asSet();

Source Link

Document

Returns an immutable singleton Set whose only element is the contained instance if it is present; an empty immutable Set otherwise.

Usage

From source file:com.shufudong.GuavaExample.collect.OptionalExample.java

/**
 * @return//from   www  . jav a  2 s  . co  m
 * @category <p></p>
 * <ol>
 * <li> boolean isPresent()Optional?T?nulltrueTnullfalse</li>
 * <li>T get()Optional?TT???nullOptionalget()IllegalStateException</li>
 * <li>T or(T)Optional?T?Optional?T?T</li>
 * <li>T orNull()Optional??TOptional?null?fromNullable()</li>
 * <li>Set<T> asSet()??SetSet?Optional??TSet?T??Optional?T??Set</li>
 * </ol>
 * @throw
 */
public static void testMethodReturn() {
    Optional<Long> value = method();
    if (value.isPresent() == true) {
        System.out.println(": " + value.get());
    } else {

        System.out.println(": " + value.or(-12L));
    }

    System.out.println(" orNull: " + value.orNull());

    Optional<Long> valueNoNull = methodNoNull();
    if (valueNoNull.isPresent() == true) {
        Set<Long> set = valueNoNull.asSet();
        System.out.println(" set  size : " + set.size());
        System.out.println(": " + valueNoNull.get());
    } else {
        System.out.println(": " + valueNoNull.or(-12L));
    }

    System.out.println(" orNull: " + valueNoNull.orNull());
}

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From source file:org.immutables.generator.Intrinsics.java

public static <T> Iterable<T> $in(Optional<T> optional) {
    return optional.asSet();
}

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From source file:com.vmware.photon.controller.common.logging.LogbackFactory.java

public static ConsoleAppender<ILoggingEvent> buildConsoleAppender(
        LoggingConfiguration.ConsoleConfiguration console, LoggerContext context, Optional<String> logFormat) {
    final LogFormatter formatter = new LogFormatter(context, console.getTimeZone());
    for (String format : logFormat.asSet()) {
        formatter.setPattern(format);/*from  ww w  .  j  a  va 2s .co m*/
    }
    formatter.start();

    final ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<>();
    appender.setContext(context);
    appender.setLayout(formatter);
    addThresholdFilter(appender, console.getThreshold());
    appender.start();

    return appender;
}

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From source file:com.vmware.photon.controller.common.logging.LogbackFactory.java

public static FileAppender<ILoggingEvent> buildFileAppender(LoggingConfiguration.FileConfiguration file,
        LoggerContext context, Optional<String> logFormat) {
    final LogFormatter formatter = new LogFormatter(context, file.getTimeZone());
    for (String format : logFormat.asSet()) {
        formatter.setPattern(format);// w  ww .  j a  v  a 2  s  . c o  m
    }
    formatter.start();

    final FileAppender<ILoggingEvent> appender = file.isArchive() ? new RollingFileAppender<ILoggingEvent>()
            : new FileAppender<ILoggingEvent>();

    appender.setAppend(true);
    appender.setContext(context);
    appender.setLayout(formatter);
    appender.setFile(file.getCurrentLogFilename());
    appender.setPrudent(false);

    addThresholdFilter(appender, file.getThreshold());

    if (file.isArchive()) {

        final DefaultTimeBasedFileNamingAndTriggeringPolicy<ILoggingEvent> triggeringPolicy = new DefaultTimeBasedFileNamingAndTriggeringPolicy<>();
        triggeringPolicy.setContext(context);

        final TimeBasedRollingPolicy<ILoggingEvent> rollingPolicy = new TimeBasedRollingPolicy<>();
        rollingPolicy.setContext(context);
        rollingPolicy.setFileNamePattern(file.getArchivedLogFilenamePattern());
        rollingPolicy.setTimeBasedFileNamingAndTriggeringPolicy(triggeringPolicy);
        triggeringPolicy.setTimeBasedRollingPolicy(rollingPolicy);
        rollingPolicy.setMaxHistory(file.getArchivedFileCount());

        ((RollingFileAppender<ILoggingEvent>) appender).setRollingPolicy(rollingPolicy);
        ((RollingFileAppender<ILoggingEvent>) appender).setTriggeringPolicy(triggeringPolicy);

        rollingPolicy.setParent(appender);
        rollingPolicy.start();
    }

    appender.stop();
    appender.start();

    return appender;
}

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From source file:com.eucalyptus.compute.common.internal.account.IdentityIdFormats.java

public static List<IdentityIdFormat> listIdFormatsWithDefaults(final String accountNumber, final IdType type,
        final String id, final Optional<IdResource> resource) {
    final Set<IdResource> desiredResources = resource.isPresent() ? resource.asSet()
            : EnumSet.allOf(IdResource.class);
    //noinspection unused
    try (final TransactionResource tx = Entities.transactionFor(IdentityIdFormat.class)) {
        final List<IdentityIdFormat> formats = Lists
                .newArrayList(listIdFormats(accountNumber, type, id, resource));
        final Set<IdResource> idSpecificResources = formats.stream().map(IdentityIdFormat::getResource)
                .collect(Collectors.toSet());
        if (type != IdType.account && !idSpecificResources.containsAll(desiredResources)) {
            formats.addAll(listIdFormats(accountNumber, IdType.account, accountNumber, resource).stream()
                    .filter(accountFormat -> !idSpecificResources.contains(accountFormat.getResource()))
                    .collect(Collectors.toList()));
        }// w w w . ja  v a 2  s .  co m
        final Set<IdResource> configuredResources = formats.stream().map(IdentityIdFormat::getResource)
                .collect(Collectors.toSet());
        formats.addAll(desiredResources.stream()
                .filter(configurableResource -> !configuredResources.contains(configurableResource))
                .map(configurableResource -> IdentityIdFormat.create(accountNumber, IdType.account,
                        accountNumber, configurableResource,
                        ResourceIdentifiers.useLongIdentifierForPrefix(
                                LONG_ID_RESOURCE_TO_PREFIX.get(configurableResource.name()))))
                .collect(Collectors.toList()));
        formats.sort(Comparator.comparing(IdentityIdFormat::getResource));
        return formats;
    }
}

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From source file:com.vmware.photon.controller.common.logging.LogbackFactory.java

public static SyslogAppender buildSyslogAppender(LoggingConfiguration.SyslogConfiguration syslog,
        LoggerContext context, String name, Optional<String> logFormat) {
    final SyslogAppender appender = new SyslogAppender();
    appender.setName(name);//from   w  w  w.  j  ava2  s  .  c  om
    appender.setContext(context);
    appender.setSyslogHost(syslog.getHost());
    appender.setFacility(syslog.getFacility().toString());
    addThresholdFilter(appender, syslog.getThreshold());

    for (String format : logFormat.asSet()) {
        appender.setSuffixPattern(format);
    }

    appender.start();

    return appender;
}

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From source file:com.qcadoo.mes.productionPerShift.hooks.ProductionPerShiftHooks.java

public void onSave(final DataDefinition dataDefinition, final Entity pps) {
    Optional<Entity> maybeOrder = Optional.fromNullable(pps.getBelongsToField(ProductionPerShiftFields.ORDER));
    for (Entity order : maybeOrder.asSet()) {
        progressDatesService.setUpDatesFor(order);
    }//from  w  w w.  ja va  2s  .  com
}

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From source file:com.qcadoo.mes.assignmentToShift.dataProviders.AssignmentToShiftDataProvider.java

private void setProjectionIfPresent(final SearchCriteriaBuilder scb,
        final Optional<SearchProjection> maybeProjection) {
    for (SearchProjection searchProjection : maybeProjection.asSet()) {
        scb.setProjection(searchProjection);
    }/*from  ww w  . ja  v a2  s  .  c  o m*/
}

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From source file:appeng.api.config.Upgrades.java

/**
 * Registers a specific amount of this upgrade into a specific machine
 *
 * @param item         machine in which this upgrade can be installed
 * @param maxSupported amount how many upgrades can be installed
 *///  www . j  a v a  2 s  .c o  m
public void registerItem(final IItemDefinition item, final int maxSupported) {
    final Optional<ItemStack> maybeStack = item.maybeStack(1);
    for (final ItemStack stack : maybeStack.asSet()) {
        this.registerItem(stack, maxSupported);
    }
}

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From source file:com.qcadoo.mes.technologies.tree.traversing.MainTocOutputProductCriteriaBuilder.java

private void applyCriteriaIfPresent(final SearchCriteriaBuilder scb, final Optional<SearchCriterion> criteria) {
    for (SearchCriterion searchCriterion : criteria.asSet()) {
        scb.add(searchCriterion);//w w w .j a  v  a2  s .  c  om
    }
}

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