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

List of usage examples for com.google.common.collect Iterables getLast

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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.peletomi.vax.impl.StringArrayExtractorFrontEnd.java

@Override
public Map<String, String[]> getExtracted() {
    final Map<String, LinkedList<String>> result = new HashMap<String, LinkedList<String>>();
    for (final ImmutableList<String> keys : values.keySet()) {
        String key;/*from w  w  w.ja v a  2 s .c om*/
        if (qualified) {
            key = Joiner.on(keySeparator).join(keys);
        } else {
            key = Iterables.getLast(keys);
        }
        if (!result.containsKey(key)) {
            result.put(key, new LinkedList<String>());
        }
        result.put(key, values.get(keys));
    }
    return Maps.transformValues(result, TO_ARRAY);
}

From source file:com.lyndir.lhunath.snaplog.model.service.impl.AWSSourceServiceImpl.java

@Override
public void loadMedia(final SSecurityToken token, final S3Source source) throws PermissionDeniedException {

    checkNotNull(source, "Given source must not be null.");
    securityService.assertAccess(Permission.ADMINISTER, token, source);

    // Fetch objects at all qualities from S3
    Map<String, Map<Quality, S3Object>> mediaObjects = Maps.newHashMap();
    for (final Quality quality : Quality.values()) {

        for (final S3Object s3Object : awsService.listObjects(getObjectKey(source, quality))) {

            if (!s3Object.getKey().endsWith(".jpg"))
                // Ignore files that don't have a valid media name.
                continue;

            String mediaName = Iterables.getLast(Splitter.on('/').split(s3Object.getKey()));
            if (mediaName.startsWith("."))
                // Ignore hidden files.
                continue;

            Map<Quality, S3Object> qualityObjects = mediaObjects.get(mediaName);
            if (qualityObjects == null)
                mediaObjects.put(mediaName, qualityObjects = Maps.newHashMap());
            qualityObjects.put(quality, s3Object);
        }//from w w  w .j  a  va2  s .c  o m
    }

    // Find all existing media that is not contained in the set of media fetched from S3
    // These are media that have been removed from S3 since the last sync; purge them.
    logger.dbg("Looking for media to purge...");
    ImmutableMap.Builder<String, Media> existingMediaBuilder = ImmutableMap.builder();
    for (final Media media : mediaDAO.listMedia(source, true))
        existingMediaBuilder.put(media.getName(), media);
    ImmutableMap<String, Media> existingMedia = existingMediaBuilder.build();
    Set<Media> purgeMedia = Sets.newHashSet(existingMedia.values());
    for (final String mediaName : mediaObjects.keySet()) {
        Media media = existingMedia.get(mediaName);
        if (media != null)
            // This media was found in S3's list of current media data; don't purge it.
            purgeMedia.remove(media);
    }
    logger.dbg("Purging %d / %d media from db", purgeMedia.size(), existingMedia.size());
    mediaDAO.delete(purgeMedia);

    int o = 0;
    for (final Map.Entry<String, Map<Quality, S3Object>> mediaObjectsEntry : mediaObjects.entrySet()) {
        if (o++ % 100 == 0)
            logger.dbg("Loading media %d / %d", ++o, mediaObjects.size());

        String mediaName = mediaObjectsEntry.getKey();
        Map<Quality, S3Object> qualityObjects = mediaObjectsEntry.getValue();

        S3Media media = mediaDAO.findMedia(source, mediaName);
        if (media == null)
            media = new S3Media(source, mediaName);

        // Create/update mediaData for the object.
        for (final Map.Entry<Quality, S3Object> qualityObjectsEntry : qualityObjects.entrySet()) {
            Quality quality = qualityObjectsEntry.getKey();
            S3Object mediaObject = qualityObjectsEntry.getValue();

            setMediaData(media, quality, mediaObject);
        }
    }
}

From source file:org.sonar.javascript.checks.ExpressionComplexityCheck.java

@Override
public void visitNode(Tree tree) {
    if (tree.is(CONDITIONAL_EXPRS)) {
        Iterables.getLast(statementLevel).incrementNestedExprLevel();
        Iterables.getLast(statementLevel).addOperator(getOperatorToken(tree));

    } else if (tree.is(SCOPES)) {
        statementLevel.add(new ExpressionComplexity());
    }//from ww w  .  ja  va 2  s .  c om
}

From source file:com.google.auto.value.processor.escapevelocity.Reparser.java

/**
 * Returns a copy of the given list where spaces have been moved where appropriate after {@code
 * #set}. This hack is needed to match what appears to be special treatment in Apache Velocity of
 * spaces before {@code #set} directives. If you have <i>thing</i> <i>whitespace</i> {@code #set},
 * then the whitespace is deleted if the <i>thing</i> is a comment ({@code ##...\n}); a reference
 * ({@code $x} or {@code $x.foo} etc); a macro definition; or another {@code #set}.
 *///from w ww  .j  a v  a2s  .  co m
private static ImmutableList<Node> removeSpaceBeforeSet(ImmutableList<Node> nodes) {
    assert Iterables.getLast(nodes) instanceof EofNode;
    // Since the last node is EofNode, the i + 1 and i + 2 accesses below are safe.
    ImmutableList.Builder<Node> newNodes = ImmutableList.builder();
    for (int i = 0; i < nodes.size(); i++) {
        Node nodeI = nodes.get(i);
        newNodes.add(nodeI);
        if (shouldDeleteSpaceBetweenThisAndSet(nodeI) && isWhitespaceLiteral(nodes.get(i + 1))
                && nodes.get(i + 2) instanceof SetNode) {
            // Skip the space.
            i++;
        }
    }
    return newNodes.build();
}

From source file:com.github.fge.jsonpatch.operation.AddOperation.java

protected JsonNode addToObject(final JsonPointer path, final JsonNode node) {
    final JsonNode ret = node.deepCopy();
    final ObjectNode target = (ObjectNode) path.parent().get(ret);
    target.put(Iterables.getLast(path).getToken().getRaw(), value);
    return ret;//from  w w w  . ja va 2s.  c  o  m
}

From source file:com.android.tools.idea.editors.theme.attributes.editors.DrawableRendererEditor.java

@Override
protected void updateComponent(@NotNull ThemeEditorContext context, @NotNull ResourceComponent component,
        @NotNull EditedStyleItem item) {
    assert context.getResourceResolver() != null;

    // Set a maximum size to avoid rendering big previews that then we will scale down to the size of the swatch icon.
    Dimension iconSize = component.getSwatchIconSize();
    // When the component it's been created but hasn't been added to the table yet, it might report a 0 size, so we set a minimum size.
    int iconWidth = Math.max(iconSize.width, MIN_DRAWABLE_PREVIEW_SIZE);
    int iconHeight = Math.max(iconSize.height, MIN_DRAWABLE_PREVIEW_SIZE);

    if (myRenderTask == null || myRenderTask.getModule() != context.getCurrentContextModule()) {
        myRenderTask = configureRenderTask(context.getCurrentContextModule(), context.getConfiguration());
    }//from   w w  w.j  av a2s.c o m

    myRenderTask.setMaxRenderSize(iconWidth, iconHeight);
    List<BufferedImage> images = myRenderTask.renderDrawableAllStates(item.getSelectedValue());
    SwatchComponent.SwatchIcon icon;
    if (images.isEmpty()) {
        icon = SwatchComponent.WARNING_ICON;
    } else {
        icon = new SwatchComponent.SquareImageIcon(Iterables.getLast(images));
        icon.setIsStack(images.size() > 1);
    }
    component.setSwatchIcon(icon);

    String nameText = String.format(ThemeEditorConstants.ATTRIBUTE_LABEL_TEMPLATE,
            ColorUtil.toHex(ThemeEditorConstants.RESOURCE_ITEM_COLOR), ThemeEditorUtils.getDisplayHtml(item));
    component.setNameText(nameText);
    component.setValueText(item.getValue());
}

From source file:brooklyn.location.waratek.WaratekMachineLocation.java

@Override
public WaratekContainerLocation obtain(Map<?, ?> flags) throws NoMachinesAvailableException {
    Integer maxSize = jvm.getConfig(JavaVirtualMachine.JVC_CLUSTER_MAX_SIZE);
    Integer currentSize = jvm.getAttribute(WaratekAttributes.JVC_COUNT);
    Iterable<Entity> available = jvm.getAvailableJvcs();
    Entity entity = (Entity) flags.get("entity");
    if (LOG.isDebugEnabled()) {
        LOG.debug("JVM {}: {} containers, {} available, max {}",
                new Object[] { jvm.getJvmName(), currentSize, Iterables.size(available), maxSize });
    }//from w w w . j ava2s.c  o m

    // also try to satisfy the affinty rules etc.

    // If there are no stopped JVCs then add a new one
    if (Iterables.isEmpty(available)) {
        if (currentSize != null && currentSize >= maxSize) {
            throw new NoMachinesAvailableException(
                    String.format("Limit of %d containers reached at %s", maxSize, jvm.getJvmName()));
        }

        // increase size of JVC cluster
        DynamicCluster cluster = jvm.getJvcCluster();
        Optional<Entity> added = cluster.addInSingleLocation(this, MutableMap.of("entity", entity));
        if (!added.isPresent()) {
            throw new NoMachinesAvailableException(
                    String.format("Failed to create containers reached in %s", jvm.getJvmName()));
        }
        return ((JavaVirtualContainer) added.get()).getDynamicLocation();
    } else {
        WaratekContainerLocation container = ((JavaVirtualContainer) Iterables.getLast(available))
                .getDynamicLocation();
        container.setEntity(entity);
        return container;
    }
}

From source file:org.apache.aurora.scheduler.async.TaskHistoryPruner.java

/**
 * When triggered, records an inactive task state change.
 *
 * @param change Event when a task changes state.
 *///  w w w  .  j a  va  2  s  .com
@Subscribe
public void recordStateChange(TaskStateChange change) {
    if (Tasks.isTerminated(change.getNewState())) {
        long timeoutBasis = change.isTransition() ? clock.nowMillis()
                : Iterables.getLast(change.getTask().getTaskEvents()).getTimestamp();
        registerInactiveTask(Tasks.SCHEDULED_TO_JOB_KEY.apply(change.getTask()), change.getTaskId(),
                calculateTimeout(timeoutBasis));
    }
}

From source file:com.netflix.paas.cassandra.resources.AstyanaxThriftDataTableResource.java

@Override
public QueryResult listRows(String cursor, Integer rowLimit, Integer columnLimit) throws PaasException {
    try {/* ww w  .  j  ava 2s  . com*/
        invariant();

        // Execute the query
        Partitioner partitioner = keyspace.getPartitioner();
        Rows<ByteBuffer, ByteBuffer> result = keyspace.prepareQuery(columnFamily).getKeyRange(null, null,
                cursor != null ? cursor : partitioner.getMinToken(), partitioner.getMaxToken(), rowLimit)
                .execute().getResult();

        // Convert raw data into a simple sparse tree
        SchemalessRows.Builder builder = SchemalessRows.builder();
        for (Row<ByteBuffer, ByteBuffer> row : result) {
            Map<String, String> columns = Maps.newHashMap();
            for (Column<ByteBuffer> column : row.getColumns()) {
                columns.put(serializers.columnAsString(column.getRawName()),
                        serializers.valueAsString(column.getRawName(), column.getByteBufferValue()));
            }
            builder.addRow(serializers.keyAsString(row.getKey()), columns);
        }

        QueryResult dr = new QueryResult();
        dr.setSrows(builder.build());

        if (!result.isEmpty()) {
            dr.setCursor(partitioner.getTokenForKey(Iterables.getLast(result).getKey()));
        }
        return dr;
    } catch (ConnectionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

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

@Override
public Description matchClass(ClassTree tree, VisitorState state) {
    if (!IS_BUGCHECKER.matches(tree, state)) {
        return NO_MATCH;
    }//from   ww w . ja v  a  2 s  .c  om

    AnnotationTree bugPatternAnnotation = ASTHelpers
            .getAnnotationWithSimpleName(tree.getModifiers().getAnnotations(), "BugPattern");
    if (bugPatternAnnotation == null) {
        return NO_MATCH;
    }

    if (!providesFix(tree, state)) {
        // N.B. BugCheckers can provide a fix in ways we cannot detect.
        // Ignore checkers that don't appear to have a fix, but are labeled as having one.
        return NO_MATCH;
    }

    SuggestedFix.Builder fixBuilder = SuggestedFix.builder()
            .addImport("com.google.errorprone.BugPattern.ProvidesFix");
    ExpressionTree providesFixArgument = AnnotationMatcherUtils.getArgument(bugPatternAnnotation,
            "providesFix");
    if (providesFixArgument == null) {
        // If providesFix argument not already present, add it to the end of @BugPattern args.
        fixBuilder.postfixWith(Iterables.getLast(bugPatternAnnotation.getArguments()),
                ", providesFix = ProvidesFix." + REQUIRES_HUMAN_ATTENTION.name());
    } else {
        if (!getSymbol(providesFixArgument).getSimpleName().contentEquals(NO_FIX.name())) {
            // If providesFix arg already states there is a fix, we're good.
            return NO_MATCH;
        }
        // If providesFix arg incorrectly states there is no fix, correct it.
        fixBuilder.replace(providesFixArgument, "ProvidesFix." + REQUIRES_HUMAN_ATTENTION.name());
    }
    return describeMatch(bugPatternAnnotation, fixBuilder.build());
}