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

Introduction

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

Prototype

public static <T> T get(Iterable<T> iterable, int position)

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:org.apache.ranger.policyengine.perftest.v2.RangerPolicyFactory.java

private static String pickOneRandomly(Collection<String> list) {
    return Iterables.get(list, RANDOM.nextInt(list.size()));
}

From source file:org.hbs.neo4j.importers.CsvImporter.java

/**
 * Insert a relationship from a CSV line.
 * //from  w ww  .j a v a 2 s .  c  o m
 * @param header CSV file Header.
 * @param line CSV line to insert.
 */
protected void insertRel(Iterable<String> header, String line) {
    Iterable<String> values = Splitter.on(SEPARATOR).trimResults().split(line);
    String fromNodeKey = Iterables.get(values, RELS_FILE_LINE_FROM_KEY_IDX);
    Node startNode = index.get(NodeEntity.Keys.KEY, fromNodeKey).getSingle();
    if (startNode == null) {
        throw new IllegalArgumentException(
                "Start node with key " + fromNodeKey + " does not exist. Rel won't be created.");
    }
    String toNodeKey = Iterables.get(values, RELS_FILE_LINE_TO_KEY_IDX);
    Node endNode = index.get(NodeEntity.Keys.KEY, toNodeKey).getSingle();
    if (endNode == null) {
        throw new IllegalArgumentException(
                "End node with key " + toNodeKey + " does not exist. Rel won't be created.");
    }
    Relationship relationship = startNode.createRelationshipTo(endNode,
            DynamicRelationshipType.withName(Iterables.get(values, RELS_FILE_LINE_REL_TYPE_KEY_IDX)));
    for (int idx = RELS_FILE_HEADER_MIN_SIZE; idx < Iterables.size(header); idx++) {
        relationship.setProperty(Iterables.get(header, idx), Iterables.get(values, idx));
    }
}

From source file:edu.udo.scaffoldhunter.model.dataimport.ImportJob.java

/**
 * @param index/*from ww w.j  a  va2 s . c om*/
 *            the index or row of the PropertyMapping
 * @return SourcePropertyMapping for the given Index. The
 *         sourceMergeByProperty is not filtered out. Therefore this Mapping
 *         might not be used by the actual import process
 */
public SourcePropertyMapping getPropertyMapping(int index) {
    return Iterables.get(propertyMappings.values(), index);
}

From source file:com.cinchapi.common.collect.AnyMaps.java

/**
 * Return a possibly nested value in a {@link Map} that contains other maps
 * and collections as values./*from ww  w.j  ava2 s  . c o m*/
 * 
 * @param path a navigable path key (e.g. foo.bar.1.baz)
 * @return the value
 * @deprecated in favor if the {@link Association} framework. Use
 *             {@link Association#of(Map)} to create an {@link Association}
 *             followed by {@link Association#fetch(String)} to query the
 *             {@code path}
 */
@SuppressWarnings("unchecked")
@Deprecated
public static <T> T navigate(String path, Map<String, ? extends Object> map) {
    T value = (T) map.get(path); // First, see if the path has been directly
                                 // added to the map
    if (value == null) {
        String[] components = path.split("\\.");
        Object lookup = map;
        for (String component : components) {
            Integer index;
            if (lookup == null) {
                break;
            } else if ((index = Ints.tryParse(component)) != null) {
                lookup = lookup instanceof Iterable ? Iterables.get((Iterable<T>) lookup, index) : null;
            } else {
                lookup = lookup instanceof Map ? ((Map<String, Object>) lookup).get(component) : null;
            }
        }
        if (lookup != null) {
            value = (T) lookup;
        }
    }
    return value;
}

From source file:org.polarsys.reqcycle.traceability.table.view.TraceabilityTableView.java

private void createModel() {
    TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
    addDoubleClickListener(viewerColumn);
    createTableViewerColumn(viewerColumn, "Link type", 50, 0)
            .setLabelProvider(new LinkLabelProvider(styleProvider) {

                @Override/*  ww  w. j  a  v a2  s  .  c o m*/
                public String getText(Object element) {
                    if (element instanceof Link) {
                        TType kind = ((Link) element).getKind();
                        StringBuilder builder = new StringBuilder(kind.getLabel());
                        TType superKind = kind.getSuperType();
                        if (superKind != null) {
                            builder.append(String.format(" [Transverse : %s]", superKind.getLabel()));
                        }
                        return builder.toString();
                    }
                    return super.getText(element);
                }
            });
    viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
    createTableViewerColumn(viewerColumn, "Upstream", 200, 1)
            .setLabelProvider(new LinkLabelProvider(styleProvider) {

                @Override
                public String getText(Object element) {
                    if (element instanceof Link) {
                        Set<Reachable> set = ((Link) element).getSources();
                        if (set != null && set.size() == 1) {
                            Reachable reachable = Iterables.get(set, 0);
                            return TraceabilityUtils.getText(reachable);
                        }
                    }
                    return super.getText(element);
                }
            });
    viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
    createTableViewerColumn(viewerColumn, "Downstream", 200, 2)
            .setLabelProvider(new LinkLabelProvider(styleProvider) {

                @Override
                public String getText(Object element) {
                    if (element instanceof Link) {
                        Set<Reachable> set = ((Link) element).getTargets();
                        if (set != null && set.size() == 1) {
                            Reachable reachable = Iterables.get(set, 0);
                            return TraceabilityUtils.getText(reachable);
                        }
                    }
                    return super.getText(element);
                }
            });

}

From source file:edu.udo.scaffoldhunter.model.util.Subsets.java

/**
 * Calculated the lowest common ancestor of all given subsets.
 * /*from   w w  w .  jav  a2 s .  c o m*/
 * @param subsets
 *            the given subsets.
 * 
 * @return the lowest common ancestor of all the given subsets.
 */
public static Subset getLowestCommonAncestor(Iterable<Subset> subsets) {
    List<Subset> ancestors = Lists.newArrayList(getAncestors(Iterables.get(subsets, 0)));

    for (Subset s : Iterables.skip(subsets, 1)) {
        ancestors.retainAll(getAncestors(s));
    }

    if (ancestors.size() == 0) {
        throw new IllegalArgumentException(
                "The subsets do not have a common ancestor. " + "They are not in a common subset tree.");
    }

    return ancestors.get(0);
}

From source file:org.aksw.mex.log4mex.ExperimentConfigurationVO.java

public Execution Execution(String id) {
    Execution ret = null;/*w  w w.  java 2s  . com*/
    try {
        Collection<Execution> t = Collections2.filter(this._executions, p -> p._id.equals(id));
        if (t != null && t.size() > 0) {
            ret = Iterables.get(t, 0);
        }
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    return ret;
}

From source file:io.motown.chargingstationconfiguration.viewmodel.domain.DomainService.java

/**
 * Creates a connector in a charging station type evse.
 *
 * @param chargingStationTypeId    charging station identifier.
 * @param evseId                   evse id.
 * @param connector                connector to be created.
 * @return created connector.//from   w  ww. jav a2  s.  c  om
 */
public Connector createConnector(Long chargingStationTypeId, Long evseId, Connector connector) {
    ChargingStationType chargingStationType = chargingStationTypeRepository.findOne(chargingStationTypeId);
    Evse evse = getEvseById(chargingStationType, evseId);
    Set<Connector> originalConnectors = ImmutableSet.copyOf(evse.getConnectors());

    evse.getConnectors().add(connector);

    chargingStationType = chargingStationTypeRepository.createOrUpdate(chargingStationType);

    Set<Connector> newConnectors = getEvseById(chargingStationType, evseId).getConnectors();
    Set<Connector> diffConnectors = Sets.difference(newConnectors, originalConnectors);

    if (diffConnectors.size() == 1) {
        return Iterables.get(diffConnectors, 0);
    } else {
        return null;
    }
}

From source file:org.apache.brooklyn.policy.followthesun.FollowTheSunStrategy.java

private ContainerType findOptimal(Collection<ContainerType> contenders) {
    /*/*from   w  ww .j  a v  a  2  s  .c  om*/
     * TODO should choose the least loaded mediator. Currently chooses first available, and relies 
     * on a load-balancer to move it again; would be good if these could share decision code so move 
     * it to the right place immediately. e.g.
     *   policyUtil.findLeastLoadedMediator(nodesInLocation);
     */
    return (contenders.isEmpty() ? null : Iterables.get(contenders, 0));
}

From source file:com.google.security.zynamics.binnavi.disassembly.algorithms.CViewInserter.java

/**
 * Clones a source node and inserts the cloned node into the target view.
 *
 * @param target The target view where the node is inserted.
 * @param node Node from the source view that is cloned.
 *
 * @return The cloned code node.//from w  ww .  j a va2 s  .co m
 */
private static INaviCodeNode insertCodeNode(final INaviView target, final INaviCodeNode node) {
    // TODO: cloning the node is a bad solution since this just fixes the symptoms: instructions are
    // closed two times
    final INaviCodeNode sourceNode = (INaviCodeNode) node.cloneNode();
    final Iterable<INaviInstruction> instructions = sourceNode.getInstructions();
    final ArrayList<INaviInstruction> instructionList = Lists.newArrayList(instructions);

    CCodeNode codeNode;

    try {
        codeNode = target.getContent().createCodeNode(sourceNode.getParentFunction(), instructionList);
    } catch (final MaybeNullException e) {
        codeNode = target.getContent().createCodeNode(null, instructionList);
    }

    if (sourceNode.getComments().getGlobalCodeNodeComment() != null) {
        codeNode.getComments()
                .initializeGlobalCodeNodeComment(sourceNode.getComments().getGlobalCodeNodeComment());
    }
    if (sourceNode.getComments().getLocalCodeNodeComment() != null) {
        codeNode.getComments()
                .initializeLocalCodeNodeComment(sourceNode.getComments().getLocalCodeNodeComment());
    }

    final Iterable<INaviInstruction> newInstructions = codeNode.getInstructions();
    for (int i = 0; i < Iterables.size(instructions); i++) {
        codeNode.getComments().initializeLocalInstructionComment(Iterables.get(newInstructions, i),
                sourceNode.getComments().getLocalInstructionComment(Iterables.get(instructions, i)));
    }

    return codeNode;
}