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

Introduction

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

Prototype

public static <T> Optional<T> of(T reference)

Source Link

Document

Returns an Optional instance containing the given non-null reference.

Usage

From source file:org.apache.gobblin.runtime.std.DefaultJobExecutionStateListenerImpl.java

public DefaultJobExecutionStateListenerImpl(Logger log) {
    this(Optional.of(log));
}

From source file:bear.task.TaskResult.java

public TaskResult(Throwable e) {
    this.result = Result.ERROR;
    exception = Optional.of(e);
}

From source file:com.facebook.buck.util.cache.MultiProjectFileHashCache.java

private Optional<Pair<FileHashCache, Path>> lookup(Path path) {
    for (ProjectFileHashCache cache : projectCaches) {
        ProjectFilesystem filesystem = cache.getFilesystem();
        Optional<Path> relativePath = filesystem.getPathRelativeToProjectRoot(path);
        if (relativePath.isPresent() && !filesystem.isIgnored(relativePath.get())) {
            return Optional.of(new Pair<FileHashCache, Path>(cache, relativePath.get()));
        }/*w w w  .  j a v  a 2s.com*/
    }
    return Optional.absent();
}

From source file:com.qcadoo.mes.costCalculation.hooks.OrderDetailsHooksCC.java

public void onBeforeRender(final ViewDefinitionState view) {
    orderDetailsRibbonHelper.setButtonEnabled(view, "costCalculate", "costCalculate",
            OrderDetailsRibbonHelper.HAS_CHECKED_OR_ACCEPTED_TECHNOLOGY,
            Optional.of("orders.ribbon.message.mustChangeTechnologyState"));
}

From source file:org.opennms.newts.cassandra.search.ResourceMetadata.java

public ResourceMetadata(Meter metricReqs, Meter attributeReqs, Meter metricMisses, Meter attributeMisses) {
    m_metricReqs = Optional.of(checkNotNull(metricReqs, "metricsReqs argument"));
    m_attributeReqs = Optional.of(checkNotNull(attributeReqs, "attributesReqs argument"));
    m_metricMisses = Optional.of(checkNotNull(metricMisses, "metricsMisses argument"));
    m_attributeMisses = Optional.of(checkNotNull(attributeMisses, "attributesMisses argument"));
}

From source file:com.axemblr.provisionr.cloudstack.commands.CommandTestSupport.java

@Before
public void setUp() throws Exception {
    defaultProviderConfig = mock(DefaultProviderConfig.class);
    byteArrayOutputStream = new ByteArrayOutputStream();
    out = new PrintStream(byteArrayOutputStream);
    client = mock(CloudStackClient.class);
    when(defaultProviderConfig.createProvider()).thenReturn(Optional.of(mock(Provider.class)));
}

From source file:com.google.errorprone.matchers.method.MethodSignatureMatcherImpl.java

@Override
protected Optional<MatchState> matchResult(ExpressionTree item, MatchState method, VisitorState state) {
    // TODO(cushon): build a way to match signatures (including varargs ones!) that doesn't
    // rely on MethodSymbol#toString().
    boolean matches = method.sym().getSimpleName().contentEquals(methodName)
            || method.sym().toString().equals(methodName);
    return matches ? Optional.of(method) : Optional.<MatchState>absent();
}

From source file:org.locationtech.geogig.osm.internal.log.ReadOSMFilterFile.java

@Override
protected Optional<String> _call() {
    Preconditions.checkNotNull(entry);//from   www.  java 2 s .c o m
    URL url = command(ResolveOSMLogfile.class).call();
    File logfile = new File(url.getFile());
    File file = new File(logfile.getParentFile(), "filter" + entry.getId().toString());
    if (!file.exists()) {
        return Optional.absent();
    }
    try {
        List<String> lines = Files.readLines(file, Charsets.UTF_8);
        String line = Joiner.on("\n").join(lines);
        return Optional.of(line);
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

From source file:org.mayocat.entity.EntityData.java

public <O> Optional<O> getData(Class<O> clazz) {
    if (data.containsKey(clazz)) {
        return Optional.of((O) data.get(clazz));
    }/*from w  w w  . j  a va2 s  .  com*/
    return Optional.absent();
}