<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: protos/ydb_rate_limiter.proto

namespace Ydb\RateLimiter;

use Google\Protobuf\Internal\GPBType;
use Google\Protobuf\Internal\RepeatedField;
use Google\Protobuf\Internal\GPBUtil;

/**
 * Settings for hierarchical deficit round robin (HDRR) algorithm.
 *
 * Generated from protobuf message <code>Ydb.RateLimiter.HierarchicalDrrSettings</code>
 */
class HierarchicalDrrSettings extends \Google\Protobuf\Internal\Message
{
    /**
     * Resource consumption speed limit.
     * Value is required for root resource.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_units_per_second = 1;</code>
     */
    protected $max_units_per_second = 0.0;
    /**
     * Maximum burst size of resource consumption across the whole cluster
     * divided by max_units_per_second.
     * Default value is 1.
     * This means that maximum burst size might be equal to max_units_per_second.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_burst_size_coefficient = 2;</code>
     */
    protected $max_burst_size_coefficient = 0.0;
    /**
     * Prefetch in local bucket up to prefetch_coefficient*max_units_per_second units (full size).
     * Default value is inherited from parent or 0.2 for root.
     * Disables prefetching if any negative value is set
     * (It is useful to avoid bursts in case of large number of local buckets).
     *
     * Generated from protobuf field <code>double prefetch_coefficient = 3;</code>
     */
    protected $prefetch_coefficient = 0.0;
    /**
     * Prefetching starts if there is less than prefetch_watermark fraction of full local bucket left.
     * Default value is inherited from parent or 0.75 for root.
     * Must be nonnegative and less than or equal to 1.
     *
     * Generated from protobuf field <code>double prefetch_watermark = 4;</code>
     */
    protected $prefetch_watermark = 0.0;

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type float $max_units_per_second
     *           Resource consumption speed limit.
     *           Value is required for root resource.
     *           0 is equivalent to not set.
     *           Must be nonnegative.
     *     @type float $max_burst_size_coefficient
     *           Maximum burst size of resource consumption across the whole cluster
     *           divided by max_units_per_second.
     *           Default value is 1.
     *           This means that maximum burst size might be equal to max_units_per_second.
     *           0 is equivalent to not set.
     *           Must be nonnegative.
     *     @type float $prefetch_coefficient
     *           Prefetch in local bucket up to prefetch_coefficient*max_units_per_second units (full size).
     *           Default value is inherited from parent or 0.2 for root.
     *           Disables prefetching if any negative value is set
     *           (It is useful to avoid bursts in case of large number of local buckets).
     *     @type float $prefetch_watermark
     *           Prefetching starts if there is less than prefetch_watermark fraction of full local bucket left.
     *           Default value is inherited from parent or 0.75 for root.
     *           Must be nonnegative and less than or equal to 1.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Protos\YdbRateLimiter::initOnce();
        parent::__construct($data);
    }

    /**
     * Resource consumption speed limit.
     * Value is required for root resource.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_units_per_second = 1;</code>
     * @return float
     */
    public function getMaxUnitsPerSecond()
    {
        return $this->max_units_per_second;
    }

    /**
     * Resource consumption speed limit.
     * Value is required for root resource.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_units_per_second = 1;</code>
     * @param float $var
     * @return $this
     */
    public function setMaxUnitsPerSecond($var)
    {
        GPBUtil::checkDouble($var);
        $this->max_units_per_second = $var;

        return $this;
    }

    /**
     * Maximum burst size of resource consumption across the whole cluster
     * divided by max_units_per_second.
     * Default value is 1.
     * This means that maximum burst size might be equal to max_units_per_second.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_burst_size_coefficient = 2;</code>
     * @return float
     */
    public function getMaxBurstSizeCoefficient()
    {
        return $this->max_burst_size_coefficient;
    }

    /**
     * Maximum burst size of resource consumption across the whole cluster
     * divided by max_units_per_second.
     * Default value is 1.
     * This means that maximum burst size might be equal to max_units_per_second.
     * 0 is equivalent to not set.
     * Must be nonnegative.
     *
     * Generated from protobuf field <code>double max_burst_size_coefficient = 2;</code>
     * @param float $var
     * @return $this
     */
    public function setMaxBurstSizeCoefficient($var)
    {
        GPBUtil::checkDouble($var);
        $this->max_burst_size_coefficient = $var;

        return $this;
    }

    /**
     * Prefetch in local bucket up to prefetch_coefficient*max_units_per_second units (full size).
     * Default value is inherited from parent or 0.2 for root.
     * Disables prefetching if any negative value is set
     * (It is useful to avoid bursts in case of large number of local buckets).
     *
     * Generated from protobuf field <code>double prefetch_coefficient = 3;</code>
     * @return float
     */
    public function getPrefetchCoefficient()
    {
        return $this->prefetch_coefficient;
    }

    /**
     * Prefetch in local bucket up to prefetch_coefficient*max_units_per_second units (full size).
     * Default value is inherited from parent or 0.2 for root.
     * Disables prefetching if any negative value is set
     * (It is useful to avoid bursts in case of large number of local buckets).
     *
     * Generated from protobuf field <code>double prefetch_coefficient = 3;</code>
     * @param float $var
     * @return $this
     */
    public function setPrefetchCoefficient($var)
    {
        GPBUtil::checkDouble($var);
        $this->prefetch_coefficient = $var;

        return $this;
    }

    /**
     * Prefetching starts if there is less than prefetch_watermark fraction of full local bucket left.
     * Default value is inherited from parent or 0.75 for root.
     * Must be nonnegative and less than or equal to 1.
     *
     * Generated from protobuf field <code>double prefetch_watermark = 4;</code>
     * @return float
     */
    public function getPrefetchWatermark()
    {
        return $this->prefetch_watermark;
    }

    /**
     * Prefetching starts if there is less than prefetch_watermark fraction of full local bucket left.
     * Default value is inherited from parent or 0.75 for root.
     * Must be nonnegative and less than or equal to 1.
     *
     * Generated from protobuf field <code>double prefetch_watermark = 4;</code>
     * @param float $var
     * @return $this
     */
    public function setPrefetchWatermark($var)
    {
        GPBUtil::checkDouble($var);
        $this->prefetch_watermark = $var;

        return $this;
    }

}