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

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

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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:io.prestosql.sql.planner.plan.SetOperationNode.java

@JsonCreator
protected SetOperationNode(@JsonProperty("id") PlanNodeId id, @JsonProperty("sources") List<PlanNode> sources,
        @JsonProperty("outputToInputs") ListMultimap<Symbol, Symbol> outputToInputs,
        @JsonProperty("outputs") List<Symbol> outputs) {
    super(id);/*from www.  ja  v  a 2s .  c  om*/

    requireNonNull(sources, "sources is null");
    checkArgument(!sources.isEmpty(), "Must have at least one source");
    requireNonNull(outputToInputs, "outputToInputs is null");
    requireNonNull(outputs, "outputs is null");

    this.sources = ImmutableList.copyOf(sources);
    this.outputToInputs = ImmutableListMultimap.copyOf(outputToInputs);
    this.outputs = ImmutableList.copyOf(outputs);

    for (Collection<Symbol> inputs : this.outputToInputs.asMap().values()) {
        checkArgument(inputs.size() == this.sources.size(),
                "Every source needs to map its symbols to an output %s operation symbol",
                this.getClass().getSimpleName());
    }

    // Make sure each source positionally corresponds to their Symbol values in the Multimap
    for (int i = 0; i < sources.size(); i++) {
        for (Collection<Symbol> expectedInputs : this.outputToInputs.asMap().values()) {
            checkArgument(sources.get(i).getOutputSymbols().contains(Iterables.get(expectedInputs, i)),
                    "Source does not provide required symbols");
        }
    }
}

From source file:fi.jyu.ties454.cleaningAgents.infra.Floor.java

/**
 * Get a random location./*from w w  w .  j av a 2s .c o m*/
 *
 * @param r
 * @return
 */
Location getRandomLocation(Random r) {
    Cell<Integer, Integer, FloorState> cell = Iterables.get(this.map.cellSet(),
            r.nextInt((this.map.cellSet().size())));
    Location l = new Location(cell.getColumnKey(), cell.getRowKey());
    if (!this.isValidLocation(l)) {
        throw new Error("Randomly chose location must be valid");
    }
    return l;
}

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  w  w  w  .j av a 2  s  . c  o 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:edu.wpi.checksims.algorithm.similaritymatrix.output.MatrixThresholdPrinter.java

/**
 * Print significant results in a similarity matrix.
 *
 * @param matrix Matrix to print/*from w ww  .j a  v  a 2 s. c  o m*/
 * @return Results in matrix over threshold
 * @throws InternalAlgorithmError Thrown on internal error processing matrix
 */
@Override
public String printMatrix(SimilarityMatrix matrix) throws InternalAlgorithmError {
    checkNotNull(matrix);

    StringBuilder builder = new StringBuilder();
    DecimalFormat formatter = new DecimalFormat("0.##");

    ImmutableSet<AlgorithmResults> results = matrix.getBaseResults();

    Set<AlgorithmResults> filteredBelowThreshold = results.stream()
            .filter((result) -> result.percentMatchedA() >= threshold || result.percentMatchedB() >= threshold)
            .collect(Collectors.toCollection(HashSet::new));

    if (filteredBelowThreshold.isEmpty()) {
        builder.append("No significant matches found.\n");
    }

    // Loop until all results over threshold consumed
    while (!filteredBelowThreshold.isEmpty()) {
        // Find the largest single result
        double largest = 0.00;
        AlgorithmResults largestResult = Iterables.get(filteredBelowThreshold, 0);
        for (AlgorithmResults result : filteredBelowThreshold) {
            if (result.percentMatchedA() > largest) {
                largest = result.percentMatchedA();
                largestResult = result;
            }
            if (result.percentMatchedB() > largest) {
                largest = result.percentMatchedB();
                largestResult = result;
            }
        }

        double largerOfTwo;
        double smallerOfTwo;
        Submission largerSubmission;
        Submission smallerSubmission;

        if (largestResult.percentMatchedA() >= largestResult.percentMatchedB()) {
            largerOfTwo = largestResult.percentMatchedA() * 100;
            smallerOfTwo = largestResult.percentMatchedB() * 100;
            largerSubmission = largestResult.a;
            smallerSubmission = largestResult.b;
        } else {
            largerOfTwo = largestResult.percentMatchedB() * 100;
            smallerOfTwo = largestResult.percentMatchedA() * 100;
            largerSubmission = largestResult.b;
            smallerSubmission = largestResult.a;
        }

        // We have the largest single result, print it
        builder.append("Found match of ");
        builder.append(formatter.format(largerOfTwo));
        builder.append("% (inverse match ");
        builder.append(formatter.format(smallerOfTwo));
        builder.append("%) between submissions \"");
        builder.append(largerSubmission.getName());
        builder.append("\" and \"");
        builder.append(smallerSubmission.getName());
        builder.append("\"\n");

        // Remove the largest results
        filteredBelowThreshold.remove(largestResult);
    }

    return builder.toString();
}

From source file:com.github.richardwilly98.esdms.shiro.EsRealm.java

@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
    log.trace("*** doGetAuthorizationInfo ***");
    Collection<User> principalList = principals.byType(User.class);
    if (principals.isEmpty()) {
        throw new AuthorizationException("Empty principal list!");
    }//from ww w.jav a2  s  .co m

    User principal = Iterables.get(principalList, 0);//.iterator().next();
    log.debug(String.format("getAuthorization for %s", principal.getId()));
    Set<String> roles = new HashSet<String>();
    Set<String> permissions = new HashSet<String>();
    for (Role role : principal.getRoles()) {
        log.trace(String.format("add role %s to %s", role.getId(), principal.getId()));
        roles.add(role.getId());
        try {
            role = roleService.get(role.getId());
            for (Permission permission : role.getPermissions()) {
                log.trace(String.format("add permission %s to %s", permission.getId(), principal.getId()));
                permissions.add(permission.getId());
            }
        } catch (ServiceException ex) {
            log.error(String.format("Cannot get role from id [%s]", role.getId()), ex);
        }
    }
    SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
    info.setRoles(roles);
    info.setStringPermissions(permissions);
    return info;
}

From source file:org.chtijbug.drools.guvnor.rest.RuleTemplateManager.java

private void updateTableContent(Map<String, List<String>> newTable, TemplateModel templateModel)
        throws ChtijbugDroolsRestException {
    templateModel.clearRows();//ww w.ja  v a  2  s.  c om
    int rowCount = Iterables.get(newTable.values(), 1).size();
    List<String> columnNames = orderedColumnNames(templateModel);
    checkColumnNames(columnNames, newTable);
    for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
        List<String> row = newArrayList();
        for (String columnName : columnNames) {
            row.add(newTable.get(columnName).get(rowIndex));
        }
        templateModel.addRow(row.toArray(new String[row.size()]));
    }
}

From source file:org.jclouds.vcloud.director.v1_5.compute.util.VCloudDirectorComputeUtils.java

public static LoginCredentials getCredentialsFrom(VApp vApp) {
    return vApp.getChildren().getVms().size() > 0
            ? getCredentialsFrom(Iterables.get(vApp.getChildren().getVms(), 0))
            : null;//from  w w w .  j a  v  a  2 s .  c o m
}

From source file:com.replaymod.replaystudio.pathing.change.RemoveKeyframe.java

@Override
public void apply(Timeline timeline) {
    Preconditions.checkState(!applied, "Already applied!");

    Path path = timeline.getPaths().get(this.path);
    // The interpolator can only be saved if there are at least two keyframes / one segment
    if (!path.getSegments().isEmpty()) {
        // By default we keep the interpolator of the left-hand side and and store the right-hand side for undoing
        // however if this is the last keyframe, we have to store the left-hand side as it will otherwise be lost
        if (index == path.getSegments().size()) {
            // This is the last keyframe, save the previous interpolator
            removedInterpolator = Iterables.get(path.getSegments(), index - 1).getInterpolator();
        } else {/*www .java2  s . com*/
            // Save the next interpolator
            removedInterpolator = Iterables.get(path.getSegments(), index).getInterpolator();
        }
    }
    path.remove(removedKeyframe = Iterables.get(path.getKeyframes(), index), true);

    applied = true;
}

From source file:org.richfaces.component.DeclarativeTreeDataModelWalker.java

private void setupDataModelContext(Object key) {
    if (modelData instanceof Iterable<?>) {
        Iterable<?> iterable = (Iterable<?>) modelData;
        Integer index = (Integer) key;

        if (index < Iterables.size(iterable)) {
            data = Iterables.get(iterable, index);
        } else {//  w  ww .  j a v a2s. c o m
            data = null;
        }
    } else {
        data = ((Map<?, ?>) modelData).get(key);
    }
}

From source file:org.jclouds.savvis.vpdc.compute.functions.VMToNodeMetadata.java

@Override
public NodeMetadata apply(VM from) {
    NodeMetadataBuilder builder = new NodeMetadataBuilder();
    builder.ids(from.getHref().toASCIIString());
    builder.name(from.getName());// www. j  av a 2 s  .  c o m
    String locationId = Iterables.get(from.getNetworkSection().getNetworks(), 0).getName();
    builder.location(from(locations.get()).firstMatch(LocationPredicates.idEquals(locationId)).orNull());
    builder.group(nodeNamingConvention.groupInUniqueNameOrNull(from.getName()));
    try {
        builder.operatingSystem(CIMOperatingSystem.toComputeOs(from.getOperatingSystemSection()));
    } catch (NullPointerException e) {
        // os section was null
    }
    // TODO build from resource allocation section
    // builder.hardware(findHardwareForVM.apply(from));
    builder.status(VAPPSTATUS_TO_NODESTATE.get(from.getStatus()));
    Set<String> addresses = Utils.getIpsFromVM(from);
    builder.publicAddresses(filter(addresses, not(IsPrivateIPAddress.INSTANCE)));
    builder.privateAddresses(filter(addresses, IsPrivateIPAddress.INSTANCE));
    return builder.build();
}