Example usage for org.apache.commons.lang3.tuple Pair getLeft

List of usage examples for org.apache.commons.lang3.tuple Pair getLeft

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Introduction

In this page you can find the example usage for org.apache.commons.lang3.tuple Pair getLeft.

Prototype

public abstract L getLeft();

Source Link

Document

Gets the left element from this pair.

When treated as a key-value pair, this is the key.

Usage

From source file:com.facebook.presto.accumulo.index.ColumnCardinalityCache.java

/**
 * Gets the cardinality for each {@link AccumuloColumnConstraint}.
 * Given constraints are expected to be indexed! Who knows what would happen if they weren't!
 *
 * @param schema Schema name// w  w w.j a va2  s .com
 * @param table Table name
 * @param auths Scan authorizations
 * @param idxConstraintRangePairs Mapping of all ranges for a given constraint
 * @param earlyReturnThreshold Smallest acceptable cardinality to return early while other tasks complete
 * @param pollingDuration Duration for polling the cardinality completion service
 * @return An immutable multimap of cardinality to column constraint, sorted by cardinality from smallest to largest
 * @throws TableNotFoundException If the metrics table does not exist
 * @throws ExecutionException If another error occurs; I really don't even know anymore.
 */
public Multimap<Long, AccumuloColumnConstraint> getCardinalities(String schema, String table,
        Authorizations auths, Multimap<AccumuloColumnConstraint, Range> idxConstraintRangePairs,
        long earlyReturnThreshold, Duration pollingDuration) throws ExecutionException, TableNotFoundException {
    // Submit tasks to the executor to fetch column cardinality, adding it to the Guava cache if necessary
    CompletionService<Pair<Long, AccumuloColumnConstraint>> executor = new ExecutorCompletionService<>(
            executorService);
    idxConstraintRangePairs.asMap().forEach((key, value) -> executor.submit(() -> {
        long cardinality = getColumnCardinality(schema, table, auths, key.getFamily(), key.getQualifier(),
                value);
        LOG.debug("Cardinality for column %s is %s", key.getName(), cardinality);
        return Pair.of(cardinality, key);
    }));

    // Create a multi map sorted by cardinality
    ListMultimap<Long, AccumuloColumnConstraint> cardinalityToConstraints = MultimapBuilder.treeKeys()
            .arrayListValues().build();
    try {
        boolean earlyReturn = false;
        int numTasks = idxConstraintRangePairs.asMap().entrySet().size();
        do {
            // Sleep for the polling duration to allow concurrent tasks to run for this time
            Thread.sleep(pollingDuration.toMillis());

            // Poll each task, retrieving the result if it is done
            for (int i = 0; i < numTasks; ++i) {
                Future<Pair<Long, AccumuloColumnConstraint>> futureCardinality = executor.poll();
                if (futureCardinality != null && futureCardinality.isDone()) {
                    Pair<Long, AccumuloColumnConstraint> columnCardinality = futureCardinality.get();
                    cardinalityToConstraints.put(columnCardinality.getLeft(), columnCardinality.getRight());
                }
            }

            // If the smallest cardinality is present and below the threshold, set the earlyReturn flag
            Optional<Entry<Long, AccumuloColumnConstraint>> smallestCardinality = cardinalityToConstraints
                    .entries().stream().findFirst();
            if (smallestCardinality.isPresent()) {
                if (smallestCardinality.get().getKey() <= earlyReturnThreshold) {
                    LOG.info("Cardinality %s, is below threshold. Returning early while other tasks finish",
                            smallestCardinality);
                    earlyReturn = true;
                }
            }
        } while (!earlyReturn && cardinalityToConstraints.entries().size() < numTasks);
    } catch (ExecutionException | InterruptedException e) {
        if (e instanceof InterruptedException) {
            Thread.currentThread().interrupt();
        }
        throw new PrestoException(UNEXPECTED_ACCUMULO_ERROR, "Exception when getting cardinality", e);
    }

    // Create a copy of the cardinalities
    return ImmutableMultimap.copyOf(cardinalityToConstraints);
}

From source file:com.hortonworks.streamline.streams.metrics.storm.topology.StormTopologyMetricsImpl.java

/**
 * {@inheritDoc}//www . ja  v a 2  s.  com
 */
@Override
public void init(Map<String, Object> conf) throws ConfigException {
    String stormApiRootUrl = null;
    Subject subject = null;
    if (conf != null) {
        stormApiRootUrl = (String) conf.get(TopologyLayoutConstants.STORM_API_ROOT_URL_KEY);
        subject = (Subject) conf.get(TopologyLayoutConstants.SUBJECT_OBJECT);
    }
    Client restClient = ClientBuilder.newClient(new ClientConfig());
    this.client = new StormRestAPIClient(restClient, stormApiRootUrl, subject);
    timeSeriesMetrics = new StormTopologyTimeSeriesMetricsImpl(client);
    topologyRetrieveCache = CacheBuilder.newBuilder().maximumSize(MAX_SIZE_TOPOLOGY_CACHE)
            .expireAfterWrite(CACHE_DURATION_SECS, TimeUnit.SECONDS)
            .build(new CacheLoader<Pair<String, String>, Map<String, ?>>() {
                @Override
                public Map<String, ?> load(Pair<String, String> stormTopologyIdAndAsUser) {
                    String stormTopologyId = stormTopologyIdAndAsUser.getLeft();
                    String asUser = stormTopologyIdAndAsUser.getRight();
                    LOG.debug("retrieving topology info - topology id: {}, asUser: {}", stormTopologyId,
                            asUser);
                    return client.getTopology(stormTopologyId, asUser);
                }
            });
    componentRetrieveCache = CacheBuilder.newBuilder().maximumSize(MAX_SIZE_COMPONENT_CACHE)
            .expireAfterWrite(CACHE_DURATION_SECS, TimeUnit.SECONDS)
            .build(new CacheLoader<Pair<Pair<String, String>, String>, Map<String, ?>>() {
                @Override
                public Map<String, ?> load(Pair<Pair<String, String>, String> componentIdAndAsUserPair) {
                    String topologyId = componentIdAndAsUserPair.getLeft().getLeft();
                    String componentId = componentIdAndAsUserPair.getLeft().getRight();
                    String asUser = componentIdAndAsUserPair.getRight();
                    LOG.debug("retrieving component info - topology id: {}, component id: {}, asUser: {}",
                            topologyId, componentId, asUser);
                    return client.getComponent(topologyId, componentId, asUser);
                }
            });
}

From source file:com.teambr.bookshelf.client.gui.component.control.GuiComponentSideSelector.java

/**
 * Draws the highlights onto the block/* ww  w  . ja va2s.c  om*/
 * @param selections The colors to render
 */
private void drawHighlights(List<Pair<SidePicker.Side, Color>> selections) {
    GlStateManager.disableLighting();
    GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GlStateManager.enableBlend();
    GlStateManager.enableAlpha();
    GlStateManager.disableDepth();
    GlStateManager.disableTexture2D();

    GL11.glBegin(GL11.GL_QUADS);
    for (Pair<SidePicker.Side, Color> pair : selections) {
        if (pair.getRight() != null)
            RenderUtils.setColor(pair.getRight());

        switch (pair.getLeft()) {
        case XPos:
            GL11.glVertex3d(0.5, -0.5, -0.5);
            GL11.glVertex3d(0.5, 0.5, -0.5);
            GL11.glVertex3d(0.5, 0.5, 0.5);
            GL11.glVertex3d(0.5, -0.5, 0.5);
            break;
        case YPos:
            GL11.glVertex3d(-0.5, 0.5, -0.5);
            GL11.glVertex3d(-0.5, 0.5, 0.5);
            GL11.glVertex3d(0.5, 0.5, 0.5);
            GL11.glVertex3d(0.5, 0.5, -0.5);
            break;
        case ZPos:
            GL11.glVertex3d(-0.5, -0.5, 0.5);
            GL11.glVertex3d(0.5, -0.5, 0.5);
            GL11.glVertex3d(0.5, 0.5, 0.5);
            GL11.glVertex3d(-0.5, 0.5, 0.5);
            break;
        case XNeg:
            GL11.glVertex3d(-0.5, -0.5, -0.5);
            GL11.glVertex3d(-0.5, -0.5, 0.5);
            GL11.glVertex3d(-0.5, 0.5, 0.5);
            GL11.glVertex3d(-0.5, 0.5, -0.5);
            break;
        case YNeg:
            GL11.glVertex3d(-0.5, -0.5, -0.5);
            GL11.glVertex3d(0.5, -0.5, -0.5);
            GL11.glVertex3d(0.5, -0.5, 0.5);
            GL11.glVertex3d(-0.5, -0.5, 0.5);
            break;
        case ZNeg:
            GL11.glVertex3d(-0.5, -0.5, -0.5);
            GL11.glVertex3d(-0.5, 0.5, -0.5);
            GL11.glVertex3d(0.5, 0.5, -0.5);
            GL11.glVertex3d(0.5, -0.5, -0.5);
            break;
        default:
        }
    }

    GL11.glEnd();

    GlStateManager.disableBlend();
    GlStateManager.enableDepth();
    GlStateManager.enableTexture2D();
}

From source file:com.vmware.identity.openidconnect.server.LoginTest.java

@Test
public void testSessionLogin() throws Exception {
    Cookie sessionCookie = new Cookie(SESSION_COOKIE_NAME, SESSION_ID);
    Pair<ModelAndView, MockHttpServletResponse> result = doRequest(null /* loginString */, sessionCookie);
    ModelAndView modelView = result.getLeft();
    MockHttpServletResponse response = result.getRight();
    Assert.assertNull("modelView", modelView);
    validateAuthnSuccessResponse(response, Flow.AUTHZ_CODE, Scope.OPENID, false, false, STATE, NONCE);
}

From source file:de.hub.cs.dbis.lrb.operators.AverageVehicleSpeedBolt.java

@Override
public void execute(Tuple input) {
    this.inputPositionReport.clear();
    this.inputPositionReport.addAll(input.getValues());
    LOGGER.trace(this.inputPositionReport.toString());

    Integer vid = this.inputPositionReport.getVid();
    short minute = this.inputPositionReport.getMinuteNumber();
    int speed = this.inputPositionReport.getSpeed().intValue();
    this.segment.set(this.inputPositionReport);

    assert (minute >= this.currentMinute);

    if (minute > this.currentMinute) {
        // emit all values for last minute
        // (because input tuples are ordered by ts, we can close the last minute safely)
        for (Entry<Integer, Pair<AvgValue, SegmentIdentifier>> entry : this.avgSpeedsMap.entrySet()) {
            Pair<AvgValue, SegmentIdentifier> value = entry.getValue();
            SegmentIdentifier segId = value.getRight();

            // VID, Minute-Number, X-Way, Segment, Direction, Avg(speed)
            this.collector.emit(new AvgVehicleSpeedTuple(entry.getKey(), new Short(this.currentMinute),
                    segId.getXWay(), segId.getSegment(), segId.getDirection(), value.getLeft().getAverage()));
        }/*from w w  w .  j  a  va 2  s. c  o m*/

        this.avgSpeedsMap.clear();
        this.currentMinute = minute;
    }

    Pair<AvgValue, SegmentIdentifier> vehicleEntry = this.avgSpeedsMap.get(vid);
    if (vehicleEntry != null && !vehicleEntry.getRight().equals(this.segment)) {
        SegmentIdentifier segId = vehicleEntry.getRight();

        // VID, Minute-Number, X-Way, Segment, Direction, Avg(speed)
        this.collector.emit(new AvgVehicleSpeedTuple(vid, new Short(this.currentMinute), segId.getXWay(),
                segId.getSegment(), segId.getDirection(), vehicleEntry.getLeft().getAverage()));

        // set to null to get new vehicle entry below
        vehicleEntry = null;
    }

    if (vehicleEntry == null) {
        vehicleEntry = new MutablePair<AvgValue, SegmentIdentifier>(new AvgValue(speed), this.segment.copy());
        this.avgSpeedsMap.put(vid, vehicleEntry);
    } else {
        vehicleEntry.getLeft().updateAverage(speed);
    }

    this.collector.ack(input);
}

From source file:com.vmware.identity.openidconnect.server.LoginTest.java

@Test
public void testLoginStringWithSessionCookieNonMatching() throws Exception {
    // if request has both a loginString and session cookie, then if the session cookie does not match, process the loginString
    String loginString = passwordLoginString();
    Cookie nonMatchingsessionCookie = new Cookie(SESSION_COOKIE_NAME, SESSION_ID + "_nonmatching");
    Pair<ModelAndView, MockHttpServletResponse> result = doRequest(loginString, nonMatchingsessionCookie);
    ModelAndView modelView = result.getLeft();
    MockHttpServletResponse response = result.getRight();
    Assert.assertNull("modelView", modelView);
    validateAuthnSuccessResponse(response, Flow.AUTHZ_CODE, Scope.OPENID, false, true, STATE, NONCE);
}

From source file:edu.uci.ics.hyracks.api.job.JobSpecification.java

public RecordDescriptor getConnectorRecordDescriptor(IConnectorDescriptor conn) {
    Pair<Pair<IOperatorDescriptor, Integer>, Pair<IOperatorDescriptor, Integer>> connInfo = connectorOpMap
            .get(conn.getConnectorId());
    return connInfo.getLeft().getLeft().getOutputRecordDescriptors()[connInfo.getLeft().getRight()];
}

From source file:edu.uci.ics.hyracks.api.job.JobSpecification.java

public IOperatorDescriptor getProducer(IConnectorDescriptor conn) {
    Pair<Pair<IOperatorDescriptor, Integer>, Pair<IOperatorDescriptor, Integer>> connInfo = connectorOpMap
            .get(conn.getConnectorId());
    return connInfo.getLeft().getLeft();
}

From source file:edu.uci.ics.hyracks.api.job.JobSpecification.java

public int getProducerOutputIndex(IConnectorDescriptor conn) {
    Pair<Pair<IOperatorDescriptor, Integer>, Pair<IOperatorDescriptor, Integer>> connInfo = connectorOpMap
            .get(conn.getConnectorId());
    return connInfo.getLeft().getRight();
}