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

Introduction

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

Prototype

public static <T> Iterable<T> concat(Iterable<? extends T> a, Iterable<? extends T> b)

Source Link

Document

Combines two iterables into a single iterable.

Usage

From source file:org.summer.dsl.model.xbase.util.XbaseUsageCrossReferencer.java

@Override
protected TreeIterator<Notifier> newContentsIterator() {
    return new ContentTreeIterator<Notifier>(emfObjects) {
        private static final long serialVersionUID = 1L;

        @Override//  w  w  w.  j a v  a 2  s .c om
        protected Iterator<? extends EObject> getEObjectChildren(EObject eObject) {
            if (eObject instanceof XAbstractFeatureCall) {
                Iterable<EObject> result = eObject.eContents();
                XAbstractFeatureCall featureCall = (XAbstractFeatureCall) eObject;
                XExpression implicitReceiver = featureCall.getImplicitReceiver();
                if (implicitReceiver != null)
                    result = Iterables.concat(result, Collections.singleton(implicitReceiver));
                XExpression implicitFirstArgument = featureCall.getImplicitFirstArgument();
                if (implicitFirstArgument != null)
                    result = Iterables.concat(result, Collections.singleton(implicitFirstArgument));
                return result.iterator();
            } else
                return super.getEObjectChildren(eObject);
        }
    };
}

From source file:org.amanzi.awe.render.core.utils.RenderMenuUtils.java

public static Pair<IRenderableModel, Iterable<IDataElement>> getLocationElements(
        final IStructuredSelection selection) {
    IRenderableModel renderableModel = null;
    boolean incorrect = false;

    Iterable<IDataElement> elementsIterable = Iterables.emptyIterable();

    for (final Object element : selection.toArray()) {
        if (element instanceof IUIItem) {
            final IUIItem item = (IUIItem) element;

            final IRenderableModel itemModel = getRenderableModel(item);

            // check UI Item is correct
            if (itemModel == null) {
                incorrect = true;/*  w  w w  .jav  a  2 s  .  c o m*/
                break;
            }

            // check model is same for all elements
            if (renderableModel == null) {
                renderableModel = itemModel;
            } else if (!itemModel.equals(renderableModel)) {
                incorrect = true;
                break;
            }

            // check internal elements
            final Iterable<IDataElement> subIterable = collectDataElements(item, renderableModel);

            if (subIterable != null) {
                elementsIterable = Iterables.concat(elementsIterable, subIterable);
            }

        }
    }

    // check element locations
    if (!incorrect && !Iterables.isEmpty(elementsIterable)) {
        incorrect = Iterables.isEmpty(renderableModel.getElementsLocations(elementsIterable));
    }

    if (!incorrect) {
        return new ImmutablePair<IRenderableModel, Iterable<IDataElement>>(renderableModel, elementsIterable);
    }

    return null;
}

From source file:org.polarsys.reqcycle.utils.iterators.collectors.WidthHarvester.java

/**
 * Width wise collection./* w  w  w  .  j a va2 s .  c  om*/
 * 
 * @param handler
 *            the handler that processes each element.
 * @param element
 *            : the element from which the collection is performed.
 * @throws CollectionAbortedException
 */
protected void collectWidthWise(ResultHandler<Object> handler, Object element)
        throws CollectionAbortedException {
    Iterable<?> currentLayer = Collections.singletonList(element);
    Iterable<?> nextLayer = Collections.EMPTY_LIST;
    while (currentLayer != null && !Iterables.isEmpty(currentLayer)) {
        for (Object currentElement : currentLayer) {
            try {
                handler.handleResult(currentElement);
                // Building the next layer.
                for (IPicker picker : this.getPickers()) {
                    Iterable<?> nexts = picker.getNexts(currentElement); // getting children.
                    if (nexts != null) {
                        nextLayer = Iterables.concat(nextLayer, nexts);
                    }
                }
            } catch (CannotHandleException e) {
                // do nothing
            } catch (Exception e) {
                Activator.logError(e);
            }
        }
        // The current layer has been processed. Going through the next one.
        currentLayer = nextLayer;
        nextLayer = Collections.EMPTY_LIST;
    }
}

From source file:org.killbill.billing.invoice.notification.NextBillingDateNotificationKey.java

public NextBillingDateNotificationKey(final NextBillingDateNotificationKey existing,
        final Iterable<UUID> newUUIDKeys) {
    super(null);//from  w ww.jav a2s. co m
    this.uuidKeys = ImmutableSet.copyOf(Iterables.concat(existing.getUuidKeys(), newUUIDKeys));
    this.targetDate = existing.getTargetDate();
    this.isDryRunForInvoiceNotification = existing.isDryRunForInvoiceNotification();
    this.isRescheduled = existing.isRescheduled();
}

From source file:org.eclipse.sirius.diagram.ui.business.internal.command.ViewDeleteCommand.java

@Override
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info)
        throws ExecutionException {
    // Prevents GMF to install its CrossReferencerAdapter by not calling
    // ViewUtil.destroy(View)

    // Remove incoming or outgoing NoteAttachment links
    for (Edge edge : Iterables.filter(Iterables.concat(getView().getSourceEdges(), getView().getTargetEdges()),
            Edge.class)) {
        if (ViewType.NOTEATTACHMENT.equals(edge.getType())) {
            EcoreUtil.remove(edge);/*from  w  w w .  ja  va 2 s  .c o m*/
        }
    }
    EcoreUtil.remove(getView());
    return CommandResult.newOKCommandResult();
}

From source file:io.jare.tk.TkRelay.java

/**
 * The request to send.//from  w  w  w. ja  v a 2s. c  o  m
 * @param req Original request
 * @param path Destination path
 * @return Request
 */
private static Request request(final Request req, final String path) {
    return new Request() {
        @Override
        public Iterable<String> head() throws IOException {
            return Iterables.concat(Collections.singleton(String.format("GET %s HTTP/1.1", path)),
                    Iterables.skip(req.head(), 1));
        }

        @Override
        public InputStream body() throws IOException {
            return req.body();
        }
    };
}

From source file:org.janusgraph.diskstorage.configuration.TransactionalConfiguration.java

@Override
public Iterable<String> getKeys(final String prefix) {
    return Iterables.concat(Iterables.filter(writtenValues.keySet(), new Predicate<String>() {
        @Override/*from   www . j  a  v a  2  s  . c om*/
        public boolean apply(@Nullable String s) {
            return s.startsWith(prefix);
        }
    }), Iterables.filter(config.getKeys(prefix), new Predicate<String>() {
        @Override
        public boolean apply(@Nullable String s) {
            return !writtenValues.containsKey(s);
        }
    }));
}

From source file:org.sonar.java.model.statement.CaseGroupTreeImpl.java

@Override
public Iterable<Tree> children() {
    return Iterables.concat(labels, body);
}

From source file:org.richfaces.cdk.templatecompiler.statements.IfStatement.java

@Override
public Iterable<JavaImport> getRequiredImports() {
    return Iterables.concat(super.getRequiredImports(), testStatement.getRequiredImports());
}

From source file:com.facebook.buck.rules.BuckPyFunction.java

public String toPythonFunction(BuildRuleType type, ConstructorArg dto) {
    Preconditions.checkNotNull(type);//w  w  w.  j a  va2 s.  c om
    Preconditions.checkNotNull(dto);

    StringBuilder builder = new StringBuilder();

    SortedSet<ParamInfo> mandatory = Sets.newTreeSet();
    SortedSet<ParamInfo> optional = Sets.newTreeSet();

    for (ParamInfo param : argMarshaller.getAllParamInfo(dto)) {
        if (isSkippable(param)) {
            continue;
        }

        if (param.isOptional()) {
            optional.add(param);
        } else {
            mandatory.add(param);
        }
    }

    @Nullable
    TargetName defaultName = dto.getClass().getAnnotation(TargetName.class);

    builder.append("@provide_for_build\n").append("def ").append(type.getName()).append("(");

    if (defaultName == null) {
        builder.append("name, ");
    }

    // Construct the args.
    for (ParamInfo param : Iterables.concat(mandatory, optional)) {
        appendPythonParameter(builder, param);
    }
    builder.append("visibility=[], build_env=None):\n")

            // Define the rule.
            .append("  add_rule({\n").append("    'type' : '").append(type.getName()).append("',\n");

    if (defaultName != null) {
        builder.append("    'name' : '").append(defaultName.name()).append("',\n");
    } else {
        builder.append("    'name' : name,\n");
    }

    // Iterate over args.
    for (ParamInfo param : Iterables.concat(mandatory, optional)) {
        builder.append("    '").append(param.getName()).append("' : ").append(param.getPythonName())
                .append(",\n");
    }

    builder.append("    'visibility' : visibility,\n");
    builder.append("  }, build_env)\n\n");

    return builder.toString();
}