Example usage for com.google.common.collect ImmutableList isEmpty

List of usage examples for com.google.common.collect ImmutableList isEmpty

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Introduction

In this page you can find the example usage for com.google.common.collect ImmutableList isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:com.google.cloud.firestore.ResourcePath.java

/**
 * The Path's id (last component).// w  w  w . j  ava2  s. com
 *
 * @return The last component of the Path or null if the path points to the root.
 */
@Nullable
String getId() {
    ImmutableList<String> parts = getSegments();

    if (!parts.isEmpty()) {
        return parts.get(parts.size() - 1);
    } else {
        return null;
    }
}

From source file:com.github.hilcode.versionator.impl.DefaultFlagExtractor.java

@Override
public Result<String, Flags> extract(final ImmutableList<String> arguments) {
    Preconditions.checkNotNull(arguments, "Missing 'arguments'.");
    if (arguments.isEmpty()) {
        return Result.failure("No arguments provided.\n\nPerhaps try --help?");
    } else {/*from   ww w  .j ava 2 s.  c  o m*/
        final ImmutableList.Builder<String> expandedArgumentsBuilder = ImmutableList.builder();
        for (final String argument : arguments) {
            if (argument.startsWith("-") && !argument.startsWith("--") && argument.length() > 2) {
                for (int i = 1; i < argument.length(); i++) {
                    expandedArgumentsBuilder.add("-" + argument.charAt(i));
                }
            } else {
                expandedArgumentsBuilder.add(argument);
            }
        }
        return extractFlags(expandedArgumentsBuilder.build());
    }
}

From source file:org.glowroot.agent.impl.UserProfileScheduler.java

void maybeScheduleUserProfiling(Transaction transaction, String user) {
    UserRecordingConfig userRecordingConfig = configService.getUserRecordingConfig();
    ImmutableList<String> users = userRecordingConfig.users();
    if (users.isEmpty()) {
        return;//from  ww w.j a  va  2  s . c  o m
    }
    if (!containsIgnoreCase(users, user)) {
        return;
    }
    // for now lumping user recording into slow traces tab
    transaction.setSlowThresholdMillis(0, Priority.CORE_MAX);

    // schedule the first stack collection for configured interval after transaction start (or
    // immediately, if the transaction's total time already exceeds configured collection
    // interval)
    Integer intervalMillis = userRecordingConfig.profilingIntervalMillis();
    if (intervalMillis == null || intervalMillis <= 0) {
        return;
    }
    if (backgroundExecutor == null) {
        return;
    }
    UserProfileRunnable userProfileRunnable = new UserProfileRunnable(transaction, intervalMillis);
    userProfileRunnable.scheduleFirst();
    transaction.setUserProfileRunnable(userProfileRunnable);
}

From source file:com.google.idea.blaze.base.projectview.section.ListSectionParser.java

@Nullable
@Override//from   w  w w .  j a  v a  2 s . c  om
public final ListSection<T> parse(ProjectViewParser parser, ParseContext parseContext) {
    if (parseContext.atEnd()) {
        return null;
    }

    String name = getName();
    if (!parseContext.current().text.equals(name + ':')) {
        return null;
    }
    parseContext.consume();

    ImmutableList.Builder<ItemOrTextBlock<T>> builder = ImmutableList.builder();

    boolean correctIndentationRun = true;
    List<ItemOrTextBlock<T>> savedTextBlocks = Lists.newArrayList();
    while (!parseContext.atEnd()) {
        boolean isIndented = parseContext.current().indent == SectionParser.INDENT;
        if (!isIndented && correctIndentationRun) {
            parseContext.savePosition();
        }
        correctIndentationRun = isIndented;

        ItemOrTextBlock<T> itemOrTextBlock = null;
        TextBlock textBlock = TextBlockSection.parseTextBlock(parseContext);
        if (textBlock != null) {
            itemOrTextBlock = new ItemOrTextBlock<>(textBlock);
        } else if (isIndented) {
            T item = parseItem(parser, parseContext);
            if (item != null) {
                parseContext.consume();
                itemOrTextBlock = new ItemOrTextBlock<>(item);
            }
        }

        if (itemOrTextBlock == null) {
            break;
        }

        if (isIndented) {
            builder.addAll(savedTextBlocks);
            builder.add(itemOrTextBlock);
            savedTextBlocks.clear();
            parseContext.clearSavedPosition();
        } else {
            savedTextBlocks.add(new ItemOrTextBlock<>(textBlock));
        }
    }
    parseContext.resetToSavedPosition();

    ImmutableList<ItemOrTextBlock<T>> items = builder.build();
    if (items.isEmpty()) {
        parseContext.addError(String.format("Empty section: '%s'", name));
    }

    return new ListSection<>(key, items);
}

From source file:google.registry.tools.GetApplicationIdsCommand.java

@Override
public void run() {
    for (String domainName : mainParameters) {
        InternetDomainName tld = findTldForNameOrThrow(InternetDomainName.from(domainName));
        assertTldExists(tld.toString());
        System.out.printf("%s:%n", domainName);

        // Sample output:
        // example.tld:
        //    1 (NewRegistrar)
        //    2 (OtherRegistrar)
        // example2.tld:
        //    No applications exist for 'example2.tld'.
        ImmutableList<DomainApplication> applications = ImmutableList
                .copyOf(loadActiveApplicationsByDomainName(domainName, DateTime.now(UTC)));
        if (applications.isEmpty()) {
            System.out.printf("    No applications exist for \'%s\'.%n", domainName);
        } else {/*ww w.j  a v a  2  s  .  com*/
            for (DomainApplication application : applications) {
                System.out.printf("    %s (%s)%n", application.getForeignKey(),
                        application.getCurrentSponsorClientId());
            }
        }
    }
}

From source file:no.ssb.vtl.script.operations.KeepOperation.java

@Override
public Stream<DataPoint> getData() {

    ImmutableList<Component> componentsToRemove = getComponentsToRemove();

    // Optimization.
    if (componentsToRemove.isEmpty())
        return getChild().getData();

    // Compute indexes to remove (in reverse order to avoid shifting).
    final ImmutableSet<Integer> indexes = computeIndexes(componentsToRemove);

    return getChild().getData().peek(dataPoints -> {
        for (Integer index : indexes)
            dataPoints.remove((int) index);
    });/*from w w  w.ja  v a2 s  . c  o m*/
}

From source file:org.gradle.internal.execution.impl.steps.SkipUpToDateStep.java

@Override
public UpToDateResult execute(C context) {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Determining if {} is up-to-date", context.getWork().getDisplayName());
    }//from  w  w w. j  a  v a2 s.c om
    return context.getWork().getChangesSincePreviousExecution().map(changes -> {
        ImmutableList.Builder<String> builder = ImmutableList.builder();
        MessageCollectingChangeVisitor visitor = new MessageCollectingChangeVisitor(builder, 3);
        changes.visitAllChanges(visitor);
        ImmutableList<String> reasons = builder.build();
        if (reasons.isEmpty()) {
            if (LOGGER.isInfoEnabled()) {
                LOGGER.info("Skipping {} as it is up-to-date.", context.getWork().getDisplayName());
            }
            return new UpToDateResult() {
                @Override
                public ImmutableList<String> getOutOfDateReasons() {
                    return ImmutableList.of();
                }

                @Override
                public ImmutableSortedMap<String, FileCollectionFingerprint> getFinalOutputs() {
                    return changes.getPreviousExecution().getOutputFileProperties();
                }

                @Override
                public OriginMetadata getOriginMetadata() {
                    return changes.getPreviousExecution().getOriginMetadata();
                }

                @Override
                public ExecutionOutcome getOutcome() {
                    return ExecutionOutcome.UP_TO_DATE;
                }

                @Nullable
                @Override
                public Throwable getFailure() {
                    return null;
                }
            };
        } else {
            return executeBecause(reasons, context);
        }
    }).orElseGet(() -> executeBecause(NO_HISTORY, context));
}

From source file:com.facebook.buck.android.JavaLibraryGraphEnhancer.java

public Result createBuildableForAndroidResources(BuildRuleResolver ruleResolver,
        boolean createBuildableIfEmptyDeps) {
    ImmutableSortedSet<BuildRule> originalDeps = originalBuildRuleParams.getDeps();
    ImmutableList<HasAndroidResourceDeps> androidResourceDeps = UberRDotJavaUtil
            .getAndroidResourceDeps(originalDeps);

    if (androidResourceDeps.isEmpty() && !createBuildableIfEmptyDeps) {
        return new Result(originalBuildRuleParams, Optional.<DummyRDotJava>absent());
    }//  w  ww . j a va 2s .  c o  m

    DummyRDotJava.Builder ruleBuilder = DummyRDotJava.newDummyRDotJavaBuildableBuilder(buildRuleBuilderParams)
            .setBuildTarget(dummyRDotJavaBuildTarget).setAndroidResourceDeps(androidResourceDeps);
    for (HasAndroidResourceDeps resourceDep : androidResourceDeps) {
        ruleBuilder.addDep(resourceDep.getBuildTarget());
    }

    BuildRule dummyRDotJavaBuildRule = ruleResolver.buildAndAddToIndex(ruleBuilder);
    final DummyRDotJava dummyRDotJava = (DummyRDotJava) dummyRDotJavaBuildRule.getBuildable();

    ImmutableSortedSet<BuildRule> totalDeps = ImmutableSortedSet.<BuildRule>naturalOrder().addAll(originalDeps)
            .add(dummyRDotJavaBuildRule).build();

    BuildRuleParams newBuildRuleParams = new BuildRuleParams(originalBuildRuleParams.getBuildTarget(),
            totalDeps, originalBuildRuleParams.getVisibilityPatterns(),
            originalBuildRuleParams.getPathRelativizer(), originalBuildRuleParams.getRuleKeyBuilderFactory());

    return new Result(newBuildRuleParams, Optional.of(dummyRDotJava));
}

From source file:org.cyclop.web.components.column.WidgetFactory.java

private Component createForCollection(Row row, CqlPartitionKeyValue cqlPartitionKeyValue,
        CqlExtendedColumnName column, String componentId) {
    ImmutableList<CqlColumnValue> content = extractor.extractCollection(row, column);
    Component comp;//  www  .  ja  v a  2s  .co m
    if (content.isEmpty()) {
        comp = createForEmptyColumn(componentId);
    } else {
        comp = new CollectionViewPanel(componentId, cqlPartitionKeyValue, content);
    }

    return comp;
}

From source file:com.google.api.tools.framework.aspects.authentication.AuthConfigAspect.java

@Override
public String getDocumentationTitle(ProtoElement element) {
    ImmutableList<String> scopes = getOauthScopes(element);
    return scopes.isEmpty() ? null : "Authorization";
}