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

namespace Google\Cloud\Spanner\V1;

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

/**
 * Common request options for various APIs.
 *
 * Generated from protobuf message <code>google.spanner.v1.RequestOptions</code>
 */
class RequestOptions extends \Google\Protobuf\Internal\Message
{
    /**
     * Priority for the request.
     *
     * Generated from protobuf field <code>.google.spanner.v1.RequestOptions.Priority priority = 1;</code>
     */
    private $priority = 0;
    /**
     * A per-request tag which can be applied to queries or reads, used for
     * statistics collection.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * This field is ignored for requests where it's not applicable (e.g.
     * CommitRequest).
     * Legal characters for `request_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a request_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string request_tag = 2;</code>
     */
    private $request_tag = '';
    /**
     * A tag used for statistics collection about this transaction.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * The value of transaction_tag should be the same for all requests belonging
     * to the same transaction.
     * If this request doesn't belong to any transaction, transaction_tag will be
     * ignored.
     * Legal characters for `transaction_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a transaction_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string transaction_tag = 3;</code>
     */
    private $transaction_tag = '';

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type int $priority
     *           Priority for the request.
     *     @type string $request_tag
     *           A per-request tag which can be applied to queries or reads, used for
     *           statistics collection.
     *           Both request_tag and transaction_tag can be specified for a read or query
     *           that belongs to a transaction.
     *           This field is ignored for requests where it's not applicable (e.g.
     *           CommitRequest).
     *           Legal characters for `request_tag` values are all printable characters
     *           (ASCII 32 - 126) and the length of a request_tag is limited to 50
     *           characters. Values that exceed this limit are truncated.
     *           Any leading underscore (_) characters will be removed from the string.
     *     @type string $transaction_tag
     *           A tag used for statistics collection about this transaction.
     *           Both request_tag and transaction_tag can be specified for a read or query
     *           that belongs to a transaction.
     *           The value of transaction_tag should be the same for all requests belonging
     *           to the same transaction.
     *           If this request doesn't belong to any transaction, transaction_tag will be
     *           ignored.
     *           Legal characters for `transaction_tag` values are all printable characters
     *           (ASCII 32 - 126) and the length of a transaction_tag is limited to 50
     *           characters. Values that exceed this limit are truncated.
     *           Any leading underscore (_) characters will be removed from the string.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Google\Spanner\V1\Spanner::initOnce();
        parent::__construct($data);
    }

    /**
     * Priority for the request.
     *
     * Generated from protobuf field <code>.google.spanner.v1.RequestOptions.Priority priority = 1;</code>
     * @return int
     */
    public function getPriority()
    {
        return $this->priority;
    }

    /**
     * Priority for the request.
     *
     * Generated from protobuf field <code>.google.spanner.v1.RequestOptions.Priority priority = 1;</code>
     * @param int $var
     * @return $this
     */
    public function setPriority($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Spanner\V1\RequestOptions\Priority::class);
        $this->priority = $var;

        return $this;
    }

    /**
     * A per-request tag which can be applied to queries or reads, used for
     * statistics collection.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * This field is ignored for requests where it's not applicable (e.g.
     * CommitRequest).
     * Legal characters for `request_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a request_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string request_tag = 2;</code>
     * @return string
     */
    public function getRequestTag()
    {
        return $this->request_tag;
    }

    /**
     * A per-request tag which can be applied to queries or reads, used for
     * statistics collection.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * This field is ignored for requests where it's not applicable (e.g.
     * CommitRequest).
     * Legal characters for `request_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a request_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string request_tag = 2;</code>
     * @param string $var
     * @return $this
     */
    public function setRequestTag($var)
    {
        GPBUtil::checkString($var, True);
        $this->request_tag = $var;

        return $this;
    }

    /**
     * A tag used for statistics collection about this transaction.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * The value of transaction_tag should be the same for all requests belonging
     * to the same transaction.
     * If this request doesn't belong to any transaction, transaction_tag will be
     * ignored.
     * Legal characters for `transaction_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a transaction_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string transaction_tag = 3;</code>
     * @return string
     */
    public function getTransactionTag()
    {
        return $this->transaction_tag;
    }

    /**
     * A tag used for statistics collection about this transaction.
     * Both request_tag and transaction_tag can be specified for a read or query
     * that belongs to a transaction.
     * The value of transaction_tag should be the same for all requests belonging
     * to the same transaction.
     * If this request doesn't belong to any transaction, transaction_tag will be
     * ignored.
     * Legal characters for `transaction_tag` values are all printable characters
     * (ASCII 32 - 126) and the length of a transaction_tag is limited to 50
     * characters. Values that exceed this limit are truncated.
     * Any leading underscore (_) characters will be removed from the string.
     *
     * Generated from protobuf field <code>string transaction_tag = 3;</code>
     * @param string $var
     * @return $this
     */
    public function setTransactionTag($var)
    {
        GPBUtil::checkString($var, True);
        $this->transaction_tag = $var;

        return $this;
    }

}