<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: google/cloud/compute/v1/compute.proto

namespace Google\Cloud\Compute\V1;

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

/**
 * Custom utilization metric policy.
 *
 * Generated from protobuf message <code>google.cloud.compute.v1.AutoscalingPolicyCustomMetricUtilization</code>
 */
class AutoscalingPolicyCustomMetricUtilization extends \Google\Protobuf\Internal\Message
{
    /**
     * A filter string, compatible with a Stackdriver Monitoring filter string for TimeSeries.list API call. This filter is used to select a specific TimeSeries for the purpose of autoscaling and to determine whether the metric is exporting per-instance or per-group data. For the filter to be valid for autoscaling purposes, the following rules apply: - You can only use the AND operator for joining selectors. - You can only use direct equality comparison operator (=) without any functions for each selector. - You can specify the metric in both the filter string and in the metric field. However, if specified in both places, the metric must be identical. - The monitored resource type determines what kind of values are expected for the metric. If it is a gce_instance, the autoscaler expects the metric to include a separate TimeSeries for each instance in a group. In such a case, you cannot filter on resource labels. If the resource type is any other value, the autoscaler expects this metric to contain values that apply to the entire autoscaled instance group and resource label filtering can be performed to point autoscaler at the correct TimeSeries to scale upon. This is called a *per-group metric* for the purpose of autoscaling. If not specified, the type defaults to gce_instance. Try to provide a filter that is selective enough to pick just one TimeSeries for the autoscaled group or for each of the instances (if you are using gce_instance resource type). If multiple TimeSeries are returned upon the query execution, the autoscaler will sum their respective values to obtain its scaling value.
     *
     * Generated from protobuf field <code>optional string filter = 336120696;</code>
     */
    private $filter = null;
    /**
     * The identifier (type) of the Stackdriver Monitoring metric. The metric cannot have negative values. The metric must have a value type of INT64 or DOUBLE.
     *
     * Generated from protobuf field <code>optional string metric = 533067184;</code>
     */
    private $metric = null;
    /**
     * If scaling is based on a per-group metric value that represents the total amount of work to be done or resource usage, set this value to an amount assigned for a single instance of the scaled group. Autoscaler keeps the number of instances proportional to the value of this metric. The metric itself does not change value due to group resizing. A good metric to use with the target is for example pubsub.googleapis.com/subscription/num_undelivered_messages or a custom metric exporting the total number of requests coming to your instances. A bad example would be a metric exporting an average or median latency, since this value can't include a chunk assignable to a single instance, it could be better used with utilization_target instead.
     *
     * Generated from protobuf field <code>optional double single_instance_assignment = 504768064;</code>
     */
    private $single_instance_assignment = null;
    /**
     * The target value of the metric that autoscaler maintains. This must be a positive value. A utilization metric scales number of virtual machines handling requests to increase or decrease proportionally to the metric. For example, a good metric to use as a utilization_target is https://www.googleapis.com/compute/v1/instance/network/received_bytes_count. The autoscaler works to keep this value constant for each of the instances.
     *
     * Generated from protobuf field <code>optional double utilization_target = 215905870;</code>
     */
    private $utilization_target = null;
    /**
     * Defines how target utilization value is expressed for a Stackdriver Monitoring metric. Either GAUGE, DELTA_PER_SECOND, or DELTA_PER_MINUTE.
     * Check the UtilizationTargetType enum for the list of possible values.
     *
     * Generated from protobuf field <code>optional string utilization_target_type = 340169355;</code>
     */
    private $utilization_target_type = null;

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type string $filter
     *           A filter string, compatible with a Stackdriver Monitoring filter string for TimeSeries.list API call. This filter is used to select a specific TimeSeries for the purpose of autoscaling and to determine whether the metric is exporting per-instance or per-group data. For the filter to be valid for autoscaling purposes, the following rules apply: - You can only use the AND operator for joining selectors. - You can only use direct equality comparison operator (=) without any functions for each selector. - You can specify the metric in both the filter string and in the metric field. However, if specified in both places, the metric must be identical. - The monitored resource type determines what kind of values are expected for the metric. If it is a gce_instance, the autoscaler expects the metric to include a separate TimeSeries for each instance in a group. In such a case, you cannot filter on resource labels. If the resource type is any other value, the autoscaler expects this metric to contain values that apply to the entire autoscaled instance group and resource label filtering can be performed to point autoscaler at the correct TimeSeries to scale upon. This is called a *per-group metric* for the purpose of autoscaling. If not specified, the type defaults to gce_instance. Try to provide a filter that is selective enough to pick just one TimeSeries for the autoscaled group or for each of the instances (if you are using gce_instance resource type). If multiple TimeSeries are returned upon the query execution, the autoscaler will sum their respective values to obtain its scaling value.
     *     @type string $metric
     *           The identifier (type) of the Stackdriver Monitoring metric. The metric cannot have negative values. The metric must have a value type of INT64 or DOUBLE.
     *     @type float $single_instance_assignment
     *           If scaling is based on a per-group metric value that represents the total amount of work to be done or resource usage, set this value to an amount assigned for a single instance of the scaled group. Autoscaler keeps the number of instances proportional to the value of this metric. The metric itself does not change value due to group resizing. A good metric to use with the target is for example pubsub.googleapis.com/subscription/num_undelivered_messages or a custom metric exporting the total number of requests coming to your instances. A bad example would be a metric exporting an average or median latency, since this value can't include a chunk assignable to a single instance, it could be better used with utilization_target instead.
     *     @type float $utilization_target
     *           The target value of the metric that autoscaler maintains. This must be a positive value. A utilization metric scales number of virtual machines handling requests to increase or decrease proportionally to the metric. For example, a good metric to use as a utilization_target is https://www.googleapis.com/compute/v1/instance/network/received_bytes_count. The autoscaler works to keep this value constant for each of the instances.
     *     @type string $utilization_target_type
     *           Defines how target utilization value is expressed for a Stackdriver Monitoring metric. Either GAUGE, DELTA_PER_SECOND, or DELTA_PER_MINUTE.
     *           Check the UtilizationTargetType enum for the list of possible values.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Google\Cloud\Compute\V1\Compute::initOnce();
        parent::__construct($data);
    }

    /**
     * A filter string, compatible with a Stackdriver Monitoring filter string for TimeSeries.list API call. This filter is used to select a specific TimeSeries for the purpose of autoscaling and to determine whether the metric is exporting per-instance or per-group data. For the filter to be valid for autoscaling purposes, the following rules apply: - You can only use the AND operator for joining selectors. - You can only use direct equality comparison operator (=) without any functions for each selector. - You can specify the metric in both the filter string and in the metric field. However, if specified in both places, the metric must be identical. - The monitored resource type determines what kind of values are expected for the metric. If it is a gce_instance, the autoscaler expects the metric to include a separate TimeSeries for each instance in a group. In such a case, you cannot filter on resource labels. If the resource type is any other value, the autoscaler expects this metric to contain values that apply to the entire autoscaled instance group and resource label filtering can be performed to point autoscaler at the correct TimeSeries to scale upon. This is called a *per-group metric* for the purpose of autoscaling. If not specified, the type defaults to gce_instance. Try to provide a filter that is selective enough to pick just one TimeSeries for the autoscaled group or for each of the instances (if you are using gce_instance resource type). If multiple TimeSeries are returned upon the query execution, the autoscaler will sum their respective values to obtain its scaling value.
     *
     * Generated from protobuf field <code>optional string filter = 336120696;</code>
     * @return string
     */
    public function getFilter()
    {
        return isset($this->filter) ? $this->filter : '';
    }

    public function hasFilter()
    {
        return isset($this->filter);
    }

    public function clearFilter()
    {
        unset($this->filter);
    }

    /**
     * A filter string, compatible with a Stackdriver Monitoring filter string for TimeSeries.list API call. This filter is used to select a specific TimeSeries for the purpose of autoscaling and to determine whether the metric is exporting per-instance or per-group data. For the filter to be valid for autoscaling purposes, the following rules apply: - You can only use the AND operator for joining selectors. - You can only use direct equality comparison operator (=) without any functions for each selector. - You can specify the metric in both the filter string and in the metric field. However, if specified in both places, the metric must be identical. - The monitored resource type determines what kind of values are expected for the metric. If it is a gce_instance, the autoscaler expects the metric to include a separate TimeSeries for each instance in a group. In such a case, you cannot filter on resource labels. If the resource type is any other value, the autoscaler expects this metric to contain values that apply to the entire autoscaled instance group and resource label filtering can be performed to point autoscaler at the correct TimeSeries to scale upon. This is called a *per-group metric* for the purpose of autoscaling. If not specified, the type defaults to gce_instance. Try to provide a filter that is selective enough to pick just one TimeSeries for the autoscaled group or for each of the instances (if you are using gce_instance resource type). If multiple TimeSeries are returned upon the query execution, the autoscaler will sum their respective values to obtain its scaling value.
     *
     * Generated from protobuf field <code>optional string filter = 336120696;</code>
     * @param string $var
     * @return $this
     */
    public function setFilter($var)
    {
        GPBUtil::checkString($var, True);
        $this->filter = $var;

        return $this;
    }

    /**
     * The identifier (type) of the Stackdriver Monitoring metric. The metric cannot have negative values. The metric must have a value type of INT64 or DOUBLE.
     *
     * Generated from protobuf field <code>optional string metric = 533067184;</code>
     * @return string
     */
    public function getMetric()
    {
        return isset($this->metric) ? $this->metric : '';
    }

    public function hasMetric()
    {
        return isset($this->metric);
    }

    public function clearMetric()
    {
        unset($this->metric);
    }

    /**
     * The identifier (type) of the Stackdriver Monitoring metric. The metric cannot have negative values. The metric must have a value type of INT64 or DOUBLE.
     *
     * Generated from protobuf field <code>optional string metric = 533067184;</code>
     * @param string $var
     * @return $this
     */
    public function setMetric($var)
    {
        GPBUtil::checkString($var, True);
        $this->metric = $var;

        return $this;
    }

    /**
     * If scaling is based on a per-group metric value that represents the total amount of work to be done or resource usage, set this value to an amount assigned for a single instance of the scaled group. Autoscaler keeps the number of instances proportional to the value of this metric. The metric itself does not change value due to group resizing. A good metric to use with the target is for example pubsub.googleapis.com/subscription/num_undelivered_messages or a custom metric exporting the total number of requests coming to your instances. A bad example would be a metric exporting an average or median latency, since this value can't include a chunk assignable to a single instance, it could be better used with utilization_target instead.
     *
     * Generated from protobuf field <code>optional double single_instance_assignment = 504768064;</code>
     * @return float
     */
    public function getSingleInstanceAssignment()
    {
        return isset($this->single_instance_assignment) ? $this->single_instance_assignment : 0.0;
    }

    public function hasSingleInstanceAssignment()
    {
        return isset($this->single_instance_assignment);
    }

    public function clearSingleInstanceAssignment()
    {
        unset($this->single_instance_assignment);
    }

    /**
     * If scaling is based on a per-group metric value that represents the total amount of work to be done or resource usage, set this value to an amount assigned for a single instance of the scaled group. Autoscaler keeps the number of instances proportional to the value of this metric. The metric itself does not change value due to group resizing. A good metric to use with the target is for example pubsub.googleapis.com/subscription/num_undelivered_messages or a custom metric exporting the total number of requests coming to your instances. A bad example would be a metric exporting an average or median latency, since this value can't include a chunk assignable to a single instance, it could be better used with utilization_target instead.
     *
     * Generated from protobuf field <code>optional double single_instance_assignment = 504768064;</code>
     * @param float $var
     * @return $this
     */
    public function setSingleInstanceAssignment($var)
    {
        GPBUtil::checkDouble($var);
        $this->single_instance_assignment = $var;

        return $this;
    }

    /**
     * The target value of the metric that autoscaler maintains. This must be a positive value. A utilization metric scales number of virtual machines handling requests to increase or decrease proportionally to the metric. For example, a good metric to use as a utilization_target is https://www.googleapis.com/compute/v1/instance/network/received_bytes_count. The autoscaler works to keep this value constant for each of the instances.
     *
     * Generated from protobuf field <code>optional double utilization_target = 215905870;</code>
     * @return float
     */
    public function getUtilizationTarget()
    {
        return isset($this->utilization_target) ? $this->utilization_target : 0.0;
    }

    public function hasUtilizationTarget()
    {
        return isset($this->utilization_target);
    }

    public function clearUtilizationTarget()
    {
        unset($this->utilization_target);
    }

    /**
     * The target value of the metric that autoscaler maintains. This must be a positive value. A utilization metric scales number of virtual machines handling requests to increase or decrease proportionally to the metric. For example, a good metric to use as a utilization_target is https://www.googleapis.com/compute/v1/instance/network/received_bytes_count. The autoscaler works to keep this value constant for each of the instances.
     *
     * Generated from protobuf field <code>optional double utilization_target = 215905870;</code>
     * @param float $var
     * @return $this
     */
    public function setUtilizationTarget($var)
    {
        GPBUtil::checkDouble($var);
        $this->utilization_target = $var;

        return $this;
    }

    /**
     * Defines how target utilization value is expressed for a Stackdriver Monitoring metric. Either GAUGE, DELTA_PER_SECOND, or DELTA_PER_MINUTE.
     * Check the UtilizationTargetType enum for the list of possible values.
     *
     * Generated from protobuf field <code>optional string utilization_target_type = 340169355;</code>
     * @return string
     */
    public function getUtilizationTargetType()
    {
        return isset($this->utilization_target_type) ? $this->utilization_target_type : '';
    }

    public function hasUtilizationTargetType()
    {
        return isset($this->utilization_target_type);
    }

    public function clearUtilizationTargetType()
    {
        unset($this->utilization_target_type);
    }

    /**
     * Defines how target utilization value is expressed for a Stackdriver Monitoring metric. Either GAUGE, DELTA_PER_SECOND, or DELTA_PER_MINUTE.
     * Check the UtilizationTargetType enum for the list of possible values.
     *
     * Generated from protobuf field <code>optional string utilization_target_type = 340169355;</code>
     * @param string $var
     * @return $this
     */
    public function setUtilizationTargetType($var)
    {
        GPBUtil::checkString($var, True);
        $this->utilization_target_type = $var;

        return $this;
    }

}