<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: google/cloud/servicedirectory/v1beta1/registration_service.proto

namespace Google\Cloud\ServiceDirectory\V1beta1;

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

/**
 * The request message for [RegistrationService.ListNamespaces][google.cloud.servicedirectory.v1beta1.RegistrationService.ListNamespaces].
 *
 * Generated from protobuf message <code>google.cloud.servicedirectory.v1beta1.ListNamespacesRequest</code>
 */
class ListNamespacesRequest extends \Google\Protobuf\Internal\Message
{
    /**
     * Required. The resource name of the project and location whose namespaces you'd like
     * to list.
     *
     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
     */
    private $parent = '';
    /**
     * Optional. The maximum number of items to return.
     *
     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     */
    private $page_size = 0;
    /**
     * Optional. The next_page_token value returned from a previous List request, if any.
     *
     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
     */
    private $page_token = '';
    /**
     * Optional. The filter to list results by.
     * General `filter` string syntax:
     * `<field> <operator> <value> (<logical connector>)`
     * *   `<field>` can be `name` or `labels.<key>` for map field
     * *   `<operator>` can be `<`, `>`, `<=`, `>=`, `!=`, `=`, `:`. Of which `:`
     *     means `HAS`, and is roughly the same as `=`
     * *   `<value>` must be the same data type as field
     * *   `<logical connector>` can be `AND`, `OR`, `NOT`
     * Examples of valid filters:
     * *   `labels.owner` returns namespaces that have a label with the key
     *     `owner`, this is the same as `labels:owner`
     * *   `labels.owner=sd` returns namespaces that have key/value `owner=sd`
     * *   `name>projects/my-project/locations/us-east1/namespaces/namespace-c`
     *     returns namespaces that have name that is alphabetically later than the
     *     string, so "namespace-e" is returned but "namespace-a" is not
     * *   `labels.owner!=sd AND labels.foo=bar` returns namespaces that have
     *     `owner` in label key but value is not `sd` AND have key/value `foo=bar`
     * *   `doesnotexist.foo=bar` returns an empty list. Note that namespace
     *     doesn't have a field called "doesnotexist". Since the filter does not
     *     match any namespaces, it returns no results
     * For more information about filtering, see
     * [API Filtering](https://aip.dev/160).
     *
     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
     */
    private $filter = '';
    /**
     * Optional. The order to list results by.
     * General `order_by` string syntax: `<field> (<asc|desc>) (,)`
     * *   `<field>` allows value: `name`
     * *   `<asc|desc>` ascending or descending order by `<field>`. If this is
     *     left blank, `asc` is used
     * Note that an empty `order_by` string results in default order, which is
     * order by `name` in ascending order.
     *
     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     */
    private $order_by = '';

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type string $parent
     *           Required. The resource name of the project and location whose namespaces you'd like
     *           to list.
     *     @type int $page_size
     *           Optional. The maximum number of items to return.
     *     @type string $page_token
     *           Optional. The next_page_token value returned from a previous List request, if any.
     *     @type string $filter
     *           Optional. The filter to list results by.
     *           General `filter` string syntax:
     *           `<field> <operator> <value> (<logical connector>)`
     *           *   `<field>` can be `name` or `labels.<key>` for map field
     *           *   `<operator>` can be `<`, `>`, `<=`, `>=`, `!=`, `=`, `:`. Of which `:`
     *               means `HAS`, and is roughly the same as `=`
     *           *   `<value>` must be the same data type as field
     *           *   `<logical connector>` can be `AND`, `OR`, `NOT`
     *           Examples of valid filters:
     *           *   `labels.owner` returns namespaces that have a label with the key
     *               `owner`, this is the same as `labels:owner`
     *           *   `labels.owner=sd` returns namespaces that have key/value `owner=sd`
     *           *   `name>projects/my-project/locations/us-east1/namespaces/namespace-c`
     *               returns namespaces that have name that is alphabetically later than the
     *               string, so "namespace-e" is returned but "namespace-a" is not
     *           *   `labels.owner!=sd AND labels.foo=bar` returns namespaces that have
     *               `owner` in label key but value is not `sd` AND have key/value `foo=bar`
     *           *   `doesnotexist.foo=bar` returns an empty list. Note that namespace
     *               doesn't have a field called "doesnotexist". Since the filter does not
     *               match any namespaces, it returns no results
     *           For more information about filtering, see
     *           [API Filtering](https://aip.dev/160).
     *     @type string $order_by
     *           Optional. The order to list results by.
     *           General `order_by` string syntax: `<field> (<asc|desc>) (,)`
     *           *   `<field>` allows value: `name`
     *           *   `<asc|desc>` ascending or descending order by `<field>`. If this is
     *               left blank, `asc` is used
     *           Note that an empty `order_by` string results in default order, which is
     *           order by `name` in ascending order.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Google\Cloud\Servicedirectory\V1Beta1\RegistrationService::initOnce();
        parent::__construct($data);
    }

    /**
     * Required. The resource name of the project and location whose namespaces you'd like
     * to list.
     *
     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
     * @return string
     */
    public function getParent()
    {
        return $this->parent;
    }

    /**
     * Required. The resource name of the project and location whose namespaces you'd like
     * to list.
     *
     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
     * @param string $var
     * @return $this
     */
    public function setParent($var)
    {
        GPBUtil::checkString($var, True);
        $this->parent = $var;

        return $this;
    }

    /**
     * Optional. The maximum number of items to return.
     *
     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @return int
     */
    public function getPageSize()
    {
        return $this->page_size;
    }

    /**
     * Optional. The maximum number of items to return.
     *
     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @param int $var
     * @return $this
     */
    public function setPageSize($var)
    {
        GPBUtil::checkInt32($var);
        $this->page_size = $var;

        return $this;
    }

    /**
     * Optional. The next_page_token value returned from a previous List request, if any.
     *
     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @return string
     */
    public function getPageToken()
    {
        return $this->page_token;
    }

    /**
     * Optional. The next_page_token value returned from a previous List request, if any.
     *
     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @param string $var
     * @return $this
     */
    public function setPageToken($var)
    {
        GPBUtil::checkString($var, True);
        $this->page_token = $var;

        return $this;
    }

    /**
     * Optional. The filter to list results by.
     * General `filter` string syntax:
     * `<field> <operator> <value> (<logical connector>)`
     * *   `<field>` can be `name` or `labels.<key>` for map field
     * *   `<operator>` can be `<`, `>`, `<=`, `>=`, `!=`, `=`, `:`. Of which `:`
     *     means `HAS`, and is roughly the same as `=`
     * *   `<value>` must be the same data type as field
     * *   `<logical connector>` can be `AND`, `OR`, `NOT`
     * Examples of valid filters:
     * *   `labels.owner` returns namespaces that have a label with the key
     *     `owner`, this is the same as `labels:owner`
     * *   `labels.owner=sd` returns namespaces that have key/value `owner=sd`
     * *   `name>projects/my-project/locations/us-east1/namespaces/namespace-c`
     *     returns namespaces that have name that is alphabetically later than the
     *     string, so "namespace-e" is returned but "namespace-a" is not
     * *   `labels.owner!=sd AND labels.foo=bar` returns namespaces that have
     *     `owner` in label key but value is not `sd` AND have key/value `foo=bar`
     * *   `doesnotexist.foo=bar` returns an empty list. Note that namespace
     *     doesn't have a field called "doesnotexist". Since the filter does not
     *     match any namespaces, it returns no results
     * For more information about filtering, see
     * [API Filtering](https://aip.dev/160).
     *
     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @return string
     */
    public function getFilter()
    {
        return $this->filter;
    }

    /**
     * Optional. The filter to list results by.
     * General `filter` string syntax:
     * `<field> <operator> <value> (<logical connector>)`
     * *   `<field>` can be `name` or `labels.<key>` for map field
     * *   `<operator>` can be `<`, `>`, `<=`, `>=`, `!=`, `=`, `:`. Of which `:`
     *     means `HAS`, and is roughly the same as `=`
     * *   `<value>` must be the same data type as field
     * *   `<logical connector>` can be `AND`, `OR`, `NOT`
     * Examples of valid filters:
     * *   `labels.owner` returns namespaces that have a label with the key
     *     `owner`, this is the same as `labels:owner`
     * *   `labels.owner=sd` returns namespaces that have key/value `owner=sd`
     * *   `name>projects/my-project/locations/us-east1/namespaces/namespace-c`
     *     returns namespaces that have name that is alphabetically later than the
     *     string, so "namespace-e" is returned but "namespace-a" is not
     * *   `labels.owner!=sd AND labels.foo=bar` returns namespaces that have
     *     `owner` in label key but value is not `sd` AND have key/value `foo=bar`
     * *   `doesnotexist.foo=bar` returns an empty list. Note that namespace
     *     doesn't have a field called "doesnotexist". Since the filter does not
     *     match any namespaces, it returns no results
     * For more information about filtering, see
     * [API Filtering](https://aip.dev/160).
     *
     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @param string $var
     * @return $this
     */
    public function setFilter($var)
    {
        GPBUtil::checkString($var, True);
        $this->filter = $var;

        return $this;
    }

    /**
     * Optional. The order to list results by.
     * General `order_by` string syntax: `<field> (<asc|desc>) (,)`
     * *   `<field>` allows value: `name`
     * *   `<asc|desc>` ascending or descending order by `<field>`. If this is
     *     left blank, `asc` is used
     * Note that an empty `order_by` string results in default order, which is
     * order by `name` in ascending order.
     *
     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @return string
     */
    public function getOrderBy()
    {
        return $this->order_by;
    }

    /**
     * Optional. The order to list results by.
     * General `order_by` string syntax: `<field> (<asc|desc>) (,)`
     * *   `<field>` allows value: `name`
     * *   `<asc|desc>` ascending or descending order by `<field>`. If this is
     *     left blank, `asc` is used
     * Note that an empty `order_by` string results in default order, which is
     * order by `name` in ascending order.
     *
     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     * @param string $var
     * @return $this
     */
    public function setOrderBy($var)
    {
        GPBUtil::checkString($var, True);
        $this->order_by = $var;

        return $this;
    }

}

