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

Introduction

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

Prototype

public static <T> T getLast(Iterable<T> iterable)

Source Link

Document

Returns the last element of iterable .

Usage

From source file:org.jclouds.trmk.vcloud_0_8.binders.OrgNameAndVDCNameToEndpoint.java

@SuppressWarnings("unchecked")
@Override/*from   w ww .ja v a2 s  . c o m*/
public <R extends HttpRequest> R bindToRequest(R request, Map<String, Object> postParams) {
    Object org = postParams.get("orgName");
    Object vdc = postParams.get("vdcName");
    if (org == null && vdc == null)
        return (R) request.toBuilder().endpoint(defaultVDC.get().getHref()).build();
    else if (org == null)
        org = defaultOrg.get().getName();

    try {
        Map<String, ReferenceType> vdcs = checkNotNull(orgNameToVDCEndpoint.get().get(org)).getVDCs();
        URI endpoint = vdc == null ? Iterables.getLast(vdcs.values()).getHref() : vdcs.get(vdc).getHref();
        return (R) request.toBuilder().endpoint(endpoint).build();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + vdc + " not found in " + orgNameToVDCEndpoint.get());
    }
}

From source file:com.google.api.codegen.transformer.ruby.RubyPackageMetadataNamer.java

private String getSimpleMetadataIdentifier() {
    return Iterables.getLast(Splitter.on(METADATA_IDENTIFIER_SEPARATOR).split(getMetadataIdentifier()));
}

From source file:org.jclouds.trmk.vcloud_0_8.binders.OrgNameAndTasksListNameToEndpoint.java

@SuppressWarnings("unchecked")
@Override/*from  w ww .  j a  v  a2 s.  co m*/
public <R extends HttpRequest> R bindToRequest(R request, Map<String, Object> postParams) {
    Object org = postParams.get("orgName");
    Object tasksList = postParams.get("tasksListName");
    if (org == null && tasksList == null)
        return (R) request.toBuilder().endpoint(defaultTasksList.get().getHref()).build();
    else if (org == null)
        org = defaultOrg.get().getName();

    try {
        Map<String, ReferenceType> tasksLists = checkNotNull(orgMap.get().get(org)).getTasksLists();
        URI endpoint = tasksList == null ? Iterables.getLast(tasksLists.values()).getHref()
                : tasksLists.get(tasksList).getHref();
        return (R) request.toBuilder().endpoint(endpoint).build();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + tasksList + " not found in " + orgMap.get());
    }
}

From source file:org.jclouds.vcloud.director.v1_5.functions.OrgNameAndCatalogNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgCatalog = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgCatalog, 0);
    Object catalog = Iterables.get(orgCatalog, 1);
    if (org == null && catalog == null)
        return defaultCatalog.get().getHref();
    else if (org == null)
        org = defaultOrg.get().getName();

    try {/*w  w w.j a  v a 2 s  .  c o m*/
        Set<Reference> catalogs = checkNotNull(orgMap.get().get(org)).getCatalogs();
        return catalog == null ? Iterables.getLast(catalogs).getHref()
                : Iterables.find(catalogs, nameEquals((String) catalog)).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + catalog + " not found in " + orgMap.get());
    }
}

From source file:org.jclouds.vcloud.director.v1_5.functions.OrgNameAndVdcNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgVdc = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgVdc, 0);
    Object vdc = Iterables.get(orgVdc, 1);
    if (org == null && vdc == null)
        return defaultVdc.get().getHref();
    else if (org == null)
        org = defaultOrg.get().getName();

    try {//from  w ww  .j av a2s .  co  m
        Set<Reference> vdcs = checkNotNull(orgNameToVdcEndpoint.get().get(org)).getVdcs();
        return vdc == null ? Iterables.getLast(vdcs).getHref()
                : Iterables.find(vdcs, nameEquals((String) vdc)).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + vdc + " not found in " + orgNameToVdcEndpoint.get());
    }
}

From source file:org.sonar.java.checks.LeftCurlyBraceBaseTreeVisitor.java

@CheckForNull
private static SyntaxToken getLastTokenFromSignature(ClassTree classTree) {
    List<TypeTree> superInterfaces = classTree.superInterfaces();
    if (!superInterfaces.isEmpty()) {
        return getIdentifierToken(Iterables.getLast(superInterfaces));
    }//from   w  ww.jav  a  2  s  . co m
    TypeTree superClass = classTree.superClass();
    if (superClass != null) {
        return getIdentifierToken(superClass);
    }
    TypeParameters typeParameters = classTree.typeParameters();
    if (!typeParameters.isEmpty()) {
        return typeParameters.closeBracketToken();
    }
    IdentifierTree simpleName = classTree.simpleName();
    if (simpleName != null) {
        return simpleName.identifierToken();
    }
    // enum constants and new class trees are handled separately
    return null;
}

From source file:org.eclipse.che.ide.ext.svn.client.importer.SubversionProjectImporterPresenter.java

/** {@inheritDoc} */
@Override/*from  www .j a v a  2  s  .c om*/
public void onProjectUrlChanged() {
    if (Strings.isNullOrEmpty(view.getProjectUrl())) {
        view.setProjectName("");
        return;
    }

    String projectName = Iterables.getLast(Splitter.on("/").omitEmptyStrings().split(view.getProjectUrl()));
    String calcUrl = getUrl(view.getProjectUrl(), view.getProjectRelativePath());

    view.setProjectName(projectName);
    dataObject.getSource().getProject().setLocation(calcUrl);
    updateDelegate.updateControls();
}

From source file:com.twitter.aurora.scheduler.storage.StorageBackfill.java

private static void guaranteeShardUniqueness(ScheduledTask task, TaskStore.Mutable taskStore, Clock clock) {

    if (Tasks.isActive(task.getStatus())) {
        // Perform a sanity check on the number of active shards.
        TaskConfig config = task.getAssignedTask().getTask();
        Query.Builder query = Query.instanceScoped(
                JobKeys.from(config.getOwner().getRole(), config.getEnvironment(), config.getJobName()),
                task.getAssignedTask().getInstanceId()).active();
        Set<String> activeTasksInShard = FluentIterable.from(taskStore.fetchTasks(query))
                .transform(Tasks.SCHEDULED_TO_ID).toSet();

        if (activeTasksInShard.size() > 1) {
            SHARD_SANITY_CHECK_FAILS.incrementAndGet();
            LOG.severe("Active shard sanity check failed when loading " + Tasks.id(task)
                    + ", active tasks found: " + activeTasksInShard);

            // We want to keep exactly one task from this shard, so sort the IDs and keep the
            // highest (newest) in the hopes that it is legitimately running.
            String newestTask = Iterables.getLast(Sets.newTreeSet(activeTasksInShard));
            if (!Tasks.id(task).equals(newestTask)) {
                task.setStatus(ScheduleStatus.KILLED);
                task.addToTaskEvents(new TaskEvent(clock.nowMillis(), ScheduleStatus.KILLED)
                        .setMessage("Killed duplicate shard."));
                // TODO(wfarner); Circle back if this is necessary.  Currently there's a race
                // condition between the time the scheduler is actually available without hitting
                // IllegalStateException (see DriverImpl).
                // driver.killTask(Tasks.id(task));
            } else {
                LOG.info("Retaining task " + Tasks.id(task));
            }/*ww w.  j a  v  a 2s .  co m*/
        }
    }
}

From source file:r.base.special.SwitchFunction.java

@Override
public SEXP apply(Context context, Environment rho, FunctionCall call, PairList args) {
    EvalException.check(call.length() > 1, "argument \"EXPR\" is missing");

    SEXP expr = context.evaluate(call.getArgument(0), rho);
    EvalException.check(expr.length() == 1, "EXPR must return a length 1 vector");

    PromisePairList branchPromises = (PromisePairList) context.evaluate(call.getArgument(1), rho);
    Iterable<PairList.Node> branches = branchPromises.nodes();

    if (expr instanceof StringVector) {
        String name = ((StringVector) expr).getElementAsString(0);
        if (StringVector.isNA(name)) {
            context.setInvisibleFlag();/*from   www.j a v a  2 s .co  m*/
            return Null.INSTANCE;
        }
        SEXP partialMatch = null;
        int partialMatchCount = 0;
        for (PairList.Node node : branches) {
            if (node.hasTag()) {
                String branchName = node.getTag().getPrintName();
                if (branchName.equals(name)) {
                    return context.evaluate(nextNonMissing(node), rho);
                } else if (branchName.startsWith(name)) {
                    partialMatch = nextNonMissing(node);
                    partialMatchCount++;
                }
            }
        }
        if (partialMatchCount == 1) {
            return context.evaluate(partialMatch, rho);
        } else if (Iterables.size(branches) > 0) {
            PairList.Node last = Iterables.getLast(branches);
            if (!last.hasTag()) {
                return context.evaluate(last.getValue(), rho);
            }
        }

    } else if (expr instanceof AtomicVector) {
        int branchIndex = ((AtomicVector) expr).getElementAsInt(0);
        if (branchIndex >= 1 && branchIndex <= Iterables.size(branches)) {
            return context.evaluate(Iterables.get(branches, branchIndex - 1).getValue(), rho);
        }
    }

    return Null.INSTANCE;
}

From source file:com.google.errorprone.bugpatterns.ArrayFillIncompatibleType.java

@Override
public Description matchMethodInvocation(MethodInvocationTree invocationTree, final VisitorState state) {
    if (!ARRAY_FILL_MATCHER.matches(invocationTree, state)) {
        return Description.NO_MATCH;
    }//from   w w w.  j  a v  a2s .  c  om

    Type arrayComponentType = state.getTypes()
            .elemtype(ASTHelpers.getType(invocationTree.getArguments().get(0)));
    Tree fillingArgument = Iterables.getLast(invocationTree.getArguments());
    Type fillingObjectType = ASTHelpers.getType(fillingArgument);

    // You can put an Integer or an int into a Number[], but you can't put a Number into an
    // Integer[].
    // (Note that you can assign Integer[] to Number[] and then try to put the Number into it, but
    // that's a hole provided by array covariance we can't plug here)
    if (isValidArrayFill(state, arrayComponentType, fillingObjectType)) {
        return Description.NO_MATCH;
    }

    // Due to some funky behavior, javac doesn't appear to fully expand the type of a ternary
    // when passed into an "Object" context. Let's explore both sides
    if (fillingArgument.getKind() == Kind.CONDITIONAL_EXPRESSION) {
        ConditionalExpressionTree cet = (ConditionalExpressionTree) fillingArgument;
        Type trueExpressionType = ASTHelpers.getType(cet.getTrueExpression());
        if (!isValidArrayFill(state, arrayComponentType, trueExpressionType)) {
            return reportMismatch(invocationTree, arrayComponentType, trueExpressionType);
        }

        Type falseExpressionType = ASTHelpers.getType(cet.getFalseExpression());
        if (!isValidArrayFill(state, arrayComponentType, falseExpressionType)) {
            return reportMismatch(invocationTree, arrayComponentType, falseExpressionType);
        }

        // Looks like we were able to find a ternary that would actually work
        return Description.NO_MATCH;
    }

    return reportMismatch(invocationTree, arrayComponentType, fillingObjectType);
}