Example usage for com.google.common.util.concurrent RateLimiter create

Introduction

In this page you can find the example usage for com.google.common.util.concurrent RateLimiter create.

Prototype



public static RateLimiter create(double permitsPerSecond)

Source Link

Document

Creates a RateLimiter with the specified stable throughput, given as "permits per second" (commonly referred to as QPS, queries per second).

Usage

From source file:org.opendaylight.controller.cluster.datastore.utils.TransactionRateLimiter.java

public TransactionRateLimiter(ActorContext actorContext) {
    this.actorContext = actorContext;
    this.commitTimeoutInSeconds = actorContext.getDatastoreContext()
            .getShardTransactionCommitTimeoutInSeconds();
    this.dataStoreName = actorContext.getDataStoreName();
    this.txRateLimiter = RateLimiter
            .create(actorContext.getDatastoreContext().getTransactionCreationInitialRateLimit());
}

From source file:com.twitter.distributedlog.benchmark.utils.ShiftableRateLimiter.java

public ShiftableRateLimiter(double initialRate, double maxRate, double changeRate, long changeInterval,
        TimeUnit changeIntervalUnit) {
    this.initialRate = initialRate;
    this.maxRate = maxRate;
    this.changeRate = changeRate;
    this.nextRate = initialRate;
    this.rateLimiter = RateLimiter.create(initialRate);
    this.executor = Executors.newSingleThreadScheduledExecutor();
    this.executor.scheduleAtFixedRate(this, changeInterval, changeInterval, changeIntervalUnit);
}

From source file:org.eclipse.buildship.ui.view.execution.UpdateExecutionPageJob.java

@Override
protected IStatus run(IProgressMonitor monitor) {
    RateLimiter rateLimiter = RateLimiter.create(MAX_UPDATES_PER_SECOND);
    while (this.running || !this.queue.isEmpty()) {
        rateLimiter.acquire();// w  w w.  ja  va  2  s . co m

        List<ProgressEvent> events = Lists.newArrayList();
        this.queue.drainTo(events);

        Display display = PlatformUI.getWorkbench().getDisplay();
        if (!display.isDisposed()) {
            display.syncExec(new UpdateExecutionPageContent(this.page, events));
        }
    }

    return Status.OK_STATUS;
}

From source file:org.apache.distributedlog.benchmark.utils.ShiftableRateLimiter.java

public ShiftableRateLimiter(double initialRate, double maxRate, double changeRate, long changeInterval,
        TimeUnit changeIntervalUnit) {
    this.initialRate = initialRate;
    this.maxRate = maxRate;
    this.changeRate = changeRate;
    this.nextRate = initialRate;
    this.changeInterval = changeInterval;
    this.changeIntervalUnit = changeIntervalUnit;
    this.rateLimiter = RateLimiter.create(initialRate);
    this.executor = Executors.newSingleThreadScheduledExecutor();
    this.executor.scheduleAtFixedRate(this, changeInterval, changeInterval, changeIntervalUnit);
}

From source file:com.iflytek.edu.cloud.frame.web.filter.HttpRequestRateLimiterFilter.java

@Override
public void init(FilterConfig filterConfig) throws ServletException {
    String value = filterConfig.getInitParameter("permitsPerSecond");
    int permitsPerSecond = DEFAULT_PERMITS_PER_SECOND;
    if (StringUtils.hasText(value))
        permitsPerSecond = Integer.valueOf(value);

    limiter = RateLimiter.create(permitsPerSecond);

    LOGGER.info("?http{}", permitsPerSecond);
}

From source file:com.amazonaws.services.dynamodbv2.online.index.TableRWRateLimiter.java

public TableRWRateLimiter(double readWriteIOPSCapacityUnits, double readWriteIOPSPercent, int numOfTasks) {
    this.readWriteIOPSCapacityUnits = readWriteIOPSCapacityUnits;
    this.readWriteIOPSPercent = readWriteIOPSPercent;
    this.numOfTasks = numOfTasks;
    this.accumulatedReadWritePermits = 0;
    double rateLimit = getRateLimit();
    rateLimiter = RateLimiter.create(rateLimit);
}

From source file:com.spotify.helios.master.reaper.RateLimitedService.java

RateLimitedService(final double permitsPerSecond, final long initialDelay, final long delay,
        final TimeUnit timeUnit) {
    this.rateLimiter = RateLimiter.create(permitsPerSecond);
    this.initialDelay = initialDelay;
    this.delay = delay;
    this.timeUnit = timeUnit;
}

From source file:uk.co.caprica.rottentomatoes.service.jaxrs.JaxrsRottenTomatoesService.java

/**
 *
 *
 * @param apiKey// w w  w.ja v a  2 s  . co  m
 * @param requestsPerSecondLimit
 */
public JaxrsRottenTomatoesService(String apiKey, int requestsPerSecondLimit) {
    this.apiKey = apiKey;
    client = ClientBuilder.newClient();
    rateLimiter = RateLimiter.create(requestsPerSecondLimit);
}

From source file:name.nirav.mp.service.analytics.EntityExtractionService.java

public EntityExtractionService(OpenCalaisConfig config, PredictionDB db) {
    this.config = config;
    this.calaisConfig = new CalaisConfig();
    this.calaisConfig.set(CalaisConfig.ConnParam.READ_TIMEOUT, config.readTimeout);
    this.calaisConfig.set(CalaisConfig.ConnParam.CONNECT_TIMEOUT, config.readTimeout);
    this.db = db;
    this.client = new CalaisRestClient(config.licenseKey);
    this.rateLimiter = RateLimiter.create(4);
    Timer timer = new Timer("Calais-ban-reset");
    timer.scheduleAtFixedRate(new TimerTask() {
        public void run() {
            LocalDateTime now = LocalDateTime.now();
            if (now.getHour() >= 23) {
                LOG.info("It is close to midnight {}, resetting callCount", now.getHour());
                callCount = 0;/*from  w  w w  .  j a v  a2 s .co m*/
            }
        }
    }, 1000, TimeUnit.MINUTES.toMillis(30));
}

From source file:com.google.cloud.trace.sdk.RateLimiterTraceEnablingPolicy.java

@Override
public void initFromProperties(Properties props) {
    String rateStr = props.getProperty(getClass().getName() + ".ratePerSecond");
    if (rateStr != null) {
        try {/*  w w w.  j a v a2 s .  co  m*/
            double rate = Double.parseDouble(rateStr);
            this.limiter = RateLimiter.create(rate);
        } catch (NumberFormatException nfe) {
            logger.log(Level.WARNING, "Found non-numeric rate in the properties (" + rateStr + ")");
        }
    }
}