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

List of usage examples for com.google.common.base Optional or

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Introduction

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

Prototype

@Beta
public abstract T or(Supplier<? extends T> supplier);

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Document

Returns the contained instance if it is present; supplier.get() otherwise.

Usage

From source file:com.pinterest.teletraan.resource.EnvCapacities.java

@DELETE
public void delete(@PathParam("envName") String envName, @PathParam("stageName") String stageName,
        @QueryParam("capacityType") Optional<CapacityType> capacityType, @NotEmpty String name,
        @Context SecurityContext sc) throws Exception {
    EnvironBean envBean = Utils.getEnvStage(environDAO, envName, stageName);
    authorizer.authorize(sc, new Resource(envBean.getEnv_name(), Resource.Type.ENV), Role.OPERATOR);
    String operator = sc.getUserPrincipal().getName();
    name = name.replaceAll("\"", "");
    if (capacityType.or(CapacityType.GROUP) == CapacityType.GROUP) {
        LOG.info("Delete group {} from environment {} stage {} capacity", name, envName, stageName);
        groupDAO.removeGroupCapacity(envBean.getEnv_id(), name);
        if (StringUtils.equalsIgnoreCase(envBean.getCluster_name(), name)) {
            LOG.info("Delete cluster {} from environment {} stage {}", name, envName, stageName);
            //The group is set to be the cluster
            environDAO.deleteCluster(envName, stageName);
        }/*www.j  a  va  2s.co  m*/
    } else {
        LOG.info("Delete host {} from environment {} stage {} capacity", name, envName, stageName);
        groupDAO.removeHostCapacity(envBean.getEnv_id(), name);
    }
    LOG.info("Successfully deleted {} from env {}/{} capacity config by {}.", name, envName, stageName,
            operator);
}

From source file:com.google.errorprone.refaster.UPlaceholderStatement.java

@Override
public List<JCStatement> inlineStatements(final Inliner inliner) throws CouldNotResolveImportException {
    try {/*  w  w w  .j a v  a 2s  .  c om*/
        Optional<List<JCStatement>> binding = inliner.getOptionalBinding(placeholder().blockKey());

        // If a placeholder was used as an expression binding in the @BeforeTemplate,
        // and as a bare statement or as a return in the @AfterTemplate, we may need to convert.
        Optional<JCExpression> exprBinding = inliner.getOptionalBinding(placeholder().exprKey());
        binding = binding.or(exprBinding.transform(new Function<JCExpression, List<JCStatement>>() {
            @Override
            public List<JCStatement> apply(JCExpression expr) {
                switch (implementationFlow()) {
                case NEVER_EXITS:
                    return List.of((JCStatement) inliner.maker().Exec(expr));
                case ALWAYS_RETURNS:
                    return List.of((JCStatement) inliner.maker().Return(expr));
                default:
                    throw new AssertionError();
                }
            }
        }));
        return UPlaceholderExpression.copier(arguments(), inliner).copy(binding.get(), inliner);
    } catch (UncheckedCouldNotResolveImportException e) {
        throw e.getCause();
    }
}

From source file:org.apache.gobblin.runtime.spec_catalog.TopologyCatalog.java

public TopologyCatalog(Config config, Optional<Logger> log, Optional<MetricContext> parentMetricContext,
        boolean instrumentationEnabled) {
    this.log = log.isPresent() ? log.get() : LoggerFactory.getLogger(getClass());
    this.listeners = new SpecCatalogListenersList(log);
    if (instrumentationEnabled) {
        MetricContext realParentCtx = parentMetricContext
                .or(Instrumented.getMetricContext(new org.apache.gobblin.configuration.State(), getClass()));
        this.metricContext = realParentCtx.childBuilder(TopologyCatalog.class.getSimpleName()).build();
        this.metrics = new SpecCatalog.StandardMetrics(this, Optional.of(config));
        this.addListener(this.metrics);
    } else {//ww w . ja v  a2s . c om
        this.metricContext = null;
        this.metrics = null;
    }

    this.aliasResolver = new ClassAliasResolver<>(SpecStore.class);
    try {
        Config newConfig = config;
        if (config.hasPath(ConfigurationKeys.TOPOLOGYSPEC_STORE_DIR_KEY)) {
            newConfig = config.withValue(ConfigurationKeys.SPECSTORE_FS_DIR_KEY,
                    config.getValue(ConfigurationKeys.TOPOLOGYSPEC_STORE_DIR_KEY));
        }
        String specStoreClassName = DEFAULT_TOPOLOGYSPEC_STORE_CLASS;
        if (config.hasPath(ConfigurationKeys.TOPOLOGYSPEC_STORE_CLASS_KEY)) {
            specStoreClassName = config.getString(ConfigurationKeys.TOPOLOGYSPEC_STORE_CLASS_KEY);
        }
        this.log.info("Using SpecStore class name/alias " + specStoreClassName);
        this.specStore = (SpecStore) ConstructorUtils.invokeConstructor(
                Class.forName(this.aliasResolver.resolve(specStoreClassName)), newConfig, this);
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException | InstantiationException
            | ClassNotFoundException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.viadeo.kasper.api.context.Context.java

/**
 * @return the tags/*from  ww w.j a v a 2 s  .c o  m*/
 */
public Set<String> getTags() {
    Optional<String> value = getGenericProperty(TAGS_SHORTNAME);
    return Tags.valueOf(value.or(""));
}

From source file:eu.numberfour.n4js.internal.N4JSModel.java

/**
 * @see IN4JSSourceContainer#findArtifact(QualifiedName, Optional)
 *///  www . j a  va 2s  .c om
public URI findArtifact(IN4JSSourceContainer sourceContainer, QualifiedName name,
        Optional<String> fileExtension) {
    final String ext = fileExtension.or("").trim();
    final String extWithDot = !ext.isEmpty() && !ext.startsWith(".") ? "." + ext : ext;
    final String pathStr = name.toString("/") + extWithDot; // no need for IQualifiedNameConverter here!
    if (sourceContainer.isLibrary()) {
        return null; // TODO support for finding artifacts in libraries
    } else {
        URI artifactLocation = workspace.findArtifactInFolder(sourceContainer.getLocation(), pathStr);
        if (null == artifactLocation) {
            artifactLocation = externalLibraryWorkspace.findArtifactInFolder(sourceContainer.getLocation(),
                    pathStr);
        }
        return artifactLocation;
    }
}

From source file:com.pinterest.teletraan.resource.Clusters.java

@PUT
@Path("/hosts")
public void launchHosts(@Context SecurityContext sc, @PathParam("envName") String envName,
        @PathParam("stageName") String stageName, @QueryParam("num") Optional<Integer> num) throws Exception {
    EnvironBean envBean = Utils.getEnvStage(environDAO, envName, stageName);
    authorizer.authorize(sc, new Resource(envBean.getEnv_name(), Resource.Type.ENV), Role.OPERATOR);
    String operator = sc.getUserPrincipal().getName();
    String clusterName = String.format("%s-%s", envName, stageName);
    clusterHandler.launchHosts(clusterName, num.or(1));
    LOG.info(String.format("Successfully launch hosts for %s/%s by %s", envName, stageName, operator));
}

From source file:org.eclipse.incquery.tooling.ui.queryexplorer.QueryExplorer.java

private void initPatternsViewerWithGeneratedPatterns() {
    for (IQuerySpecification<?> pattern : QueryExplorerPatternRegistry.getGeneratedQuerySpecifications()) {
        String patternFqn = pattern.getFullyQualifiedName();
        QueryExplorerPatternRegistry.getInstance().addGeneratedPattern(pattern);

        // check for QE annotation https://bugs.eclipse.org/bugs/show_bug.cgi?id=412700
        Optional<Boolean> checkedValue = QueryExplorerPatternRegistry.getQueryExplorerCheckedValue(pattern);
        Boolean computedCheckedValue = checkedValue.or(false);
        // add to active patterns only if explicitly 
        if (computedCheckedValue) {
            QueryExplorerPatternRegistry.getInstance().addActivePattern(pattern);
        }//from   w w w  .  j a  va2  s  . c o m

        PatternComponent component = patternsViewerInput.getGeneratedPatternsRoot().addComponent(patternFqn);
        component.setCheckedState(computedCheckedValue);
    }

    patternsTreeViewer.refresh();
    patternsViewerInput.getGeneratedPatternsRoot().updateHasChildren();
    patternsViewerInput.getGenericPatternsRoot().setCheckedState(false);
}

From source file:com.addthis.hydra.job.web.resources.ListenResource.java

@GET
@Path("/batch")
@Produces(MediaType.APPLICATION_JSON)/*from   w w  w .  j a  v a 2 s.co m*/
public Response getListenBatch(@QueryParam("timeout") Optional<Integer> timeoutParameter,
        @QueryParam("batchtime") Optional<Integer> batchtimeParameter,
        @QueryParam("clientId") Optional<String> clientIdParameter) {
    Response response;
    String clientId = (clientIdParameter.isPresent() ? clientIdParameter.get() : "noid");
    int timeout = timeoutParameter.or(pollTimeout);
    int batchTime = batchtimeParameter.or(batchInterval);
    ClientEventListener listener = spawn.getClientEventListener(clientId);
    try {
        ClientEvent nextEvent = listener.events.poll(timeout, TimeUnit.MILLISECONDS);
        if (nextEvent != null) {
            long mark = System.currentTimeMillis();
            JSONArray payload = new JSONArray();
            payload.put(encodeJson(nextEvent));
            for (int i = 50; i > 0; i--) {
                nextEvent = listener.events.poll(batchTime, TimeUnit.MILLISECONDS);
                if (nextEvent != null) {
                    JSONObject json = encodeJson(nextEvent);
                    payload.put(json);
                }
                if (System.currentTimeMillis() - mark > batchTime) {
                    break;
                }
            }
            response = Response.ok(payload.toString()).build();
        } else {
            response = Response.notModified().build();
        }
    } catch (InterruptedException ex) {
        response = Response.notModified().build();
    } catch (Exception ex) {
        log.warn("", ex);
        response = Response.serverError().build();
    }
    return response;
}

From source file:org.apache.gobblin.runtime.spec_catalog.FlowCatalog.java

public FlowCatalog(Config config, Optional<Logger> log, Optional<MetricContext> parentMetricContext,
        boolean instrumentationEnabled) {
    this.log = log.isPresent() ? log.get() : LoggerFactory.getLogger(getClass());
    this.listeners = new SpecCatalogListenersList(log);
    if (instrumentationEnabled) {
        MetricContext realParentCtx = parentMetricContext
                .or(Instrumented.getMetricContext(new org.apache.gobblin.configuration.State(), getClass()));
        this.metricContext = realParentCtx.childBuilder(FlowCatalog.class.getSimpleName()).build();
        this.metrics = new MutableStandardMetrics(this, Optional.of(config));
        this.addListener(this.metrics);
    } else {/*from   ww w  .  j ava2s  .c om*/
        this.metricContext = null;
        this.metrics = null;
    }

    this.aliasResolver = new ClassAliasResolver<>(SpecStore.class);
    try {
        Config newConfig = config;
        if (config.hasPath(ConfigurationKeys.FLOWSPEC_STORE_DIR_KEY)) {
            newConfig = config.withValue(ConfigurationKeys.SPECSTORE_FS_DIR_KEY,
                    config.getValue(ConfigurationKeys.FLOWSPEC_STORE_DIR_KEY));
        }
        String specStoreClassName = DEFAULT_FLOWSPEC_STORE_CLASS;
        if (config.hasPath(ConfigurationKeys.FLOWSPEC_STORE_CLASS_KEY)) {
            specStoreClassName = config.getString(ConfigurationKeys.FLOWSPEC_STORE_CLASS_KEY);
        }
        this.log.info("Using audit sink class name/alias " + specStoreClassName);
        this.specStore = (SpecStore) ConstructorUtils.invokeConstructor(
                Class.forName(this.aliasResolver.resolve(specStoreClassName)), newConfig, this);
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException | InstantiationException
            | ClassNotFoundException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.pinterest.teletraan.resource.Clusters.java

@DELETE
@Path("/hosts")
public void termianteHosts(@Context SecurityContext sc, @PathParam("envName") String envName,
        @PathParam("stageName") String stageName, @Valid Collection<String> hostIds,
        @QueryParam("replaceHost") Optional<Boolean> replaceHost) throws Exception {
    EnvironBean envBean = Utils.getEnvStage(environDAO, envName, stageName);
    authorizer.authorize(sc, new Resource(envBean.getEnv_name(), Resource.Type.ENV), Role.OPERATOR);
    String operator = sc.getUserPrincipal().getName();
    String clusterName = String.format("%s-%s", envName, stageName);
    clusterHandler.termianteHosts(clusterName, hostIds, replaceHost.or(true));
    LOG.info(String.format("Successfully terminate hosts for %s/%s by %s", envName, stageName, operator));
}