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

namespace Ydb\Topic\StreamReadMessage\ReadResponse;

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

/**
 * One client message representation.
 *
 * Generated from protobuf message <code>Ydb.Topic.StreamReadMessage.ReadResponse.MessageData</code>
 */
class MessageData extends \Google\Protobuf\Internal\Message
{
    /**
     * Partition offset in partition that assigned for message.
     *
     * Generated from protobuf field <code>int64 offset = 1;</code>
     */
    protected $offset = 0;
    /**
     * Sequence number that provided with message on write from client.
     *
     * Generated from protobuf field <code>int64 seq_no = 2;</code>
     */
    protected $seq_no = 0;
    /**
     * Timestamp of creation of message provided on write from client.
     *
     * Generated from protobuf field <code>.google.protobuf.Timestamp created_at = 3;</code>
     */
    protected $created_at = null;
    /**
     * Compressed client message body.
     *
     * Generated from protobuf field <code>bytes data = 5;</code>
     */
    protected $data = '';
    /**
     * Uncompressed size of client message body.
     * sent as is from WriteRequest, without check on server side. May be empty (for writes from old client) or wrong (if bug in writer).
     * Use it for optimization purposes only, don't trust it.
     *
     * Generated from protobuf field <code>int64 uncompressed_size = 6;</code>
     */
    protected $uncompressed_size = 0;
    /**
     * Filled if message_group_id was set on message write.
     *
     * Generated from protobuf field <code>string message_group_id = 7;</code>
     */
    protected $message_group_id = '';

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type int|string $offset
     *           Partition offset in partition that assigned for message.
     *     @type int|string $seq_no
     *           Sequence number that provided with message on write from client.
     *     @type \Google\Protobuf\Timestamp $created_at
     *           Timestamp of creation of message provided on write from client.
     *     @type string $data
     *           Compressed client message body.
     *     @type int|string $uncompressed_size
     *           Uncompressed size of client message body.
     *           sent as is from WriteRequest, without check on server side. May be empty (for writes from old client) or wrong (if bug in writer).
     *           Use it for optimization purposes only, don't trust it.
     *     @type string $message_group_id
     *           Filled if message_group_id was set on message write.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Protos\YdbTopic::initOnce();
        parent::__construct($data);
    }

    /**
     * Partition offset in partition that assigned for message.
     *
     * Generated from protobuf field <code>int64 offset = 1;</code>
     * @return int|string
     */
    public function getOffset()
    {
        return $this->offset;
    }

    /**
     * Partition offset in partition that assigned for message.
     *
     * Generated from protobuf field <code>int64 offset = 1;</code>
     * @param int|string $var
     * @return $this
     */
    public function setOffset($var)
    {
        GPBUtil::checkInt64($var);
        $this->offset = $var;

        return $this;
    }

    /**
     * Sequence number that provided with message on write from client.
     *
     * Generated from protobuf field <code>int64 seq_no = 2;</code>
     * @return int|string
     */
    public function getSeqNo()
    {
        return $this->seq_no;
    }

    /**
     * Sequence number that provided with message on write from client.
     *
     * Generated from protobuf field <code>int64 seq_no = 2;</code>
     * @param int|string $var
     * @return $this
     */
    public function setSeqNo($var)
    {
        GPBUtil::checkInt64($var);
        $this->seq_no = $var;

        return $this;
    }

    /**
     * Timestamp of creation of message provided on write from client.
     *
     * Generated from protobuf field <code>.google.protobuf.Timestamp created_at = 3;</code>
     * @return \Google\Protobuf\Timestamp|null
     */
    public function getCreatedAt()
    {
        return $this->created_at;
    }

    public function hasCreatedAt()
    {
        return isset($this->created_at);
    }

    public function clearCreatedAt()
    {
        unset($this->created_at);
    }

    /**
     * Timestamp of creation of message provided on write from client.
     *
     * Generated from protobuf field <code>.google.protobuf.Timestamp created_at = 3;</code>
     * @param \Google\Protobuf\Timestamp $var
     * @return $this
     */
    public function setCreatedAt($var)
    {
        GPBUtil::checkMessage($var, \Google\Protobuf\Timestamp::class);
        $this->created_at = $var;

        return $this;
    }

    /**
     * Compressed client message body.
     *
     * Generated from protobuf field <code>bytes data = 5;</code>
     * @return string
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * Compressed client message body.
     *
     * Generated from protobuf field <code>bytes data = 5;</code>
     * @param string $var
     * @return $this
     */
    public function setData($var)
    {
        GPBUtil::checkString($var, False);
        $this->data = $var;

        return $this;
    }

    /**
     * Uncompressed size of client message body.
     * sent as is from WriteRequest, without check on server side. May be empty (for writes from old client) or wrong (if bug in writer).
     * Use it for optimization purposes only, don't trust it.
     *
     * Generated from protobuf field <code>int64 uncompressed_size = 6;</code>
     * @return int|string
     */
    public function getUncompressedSize()
    {
        return $this->uncompressed_size;
    }

    /**
     * Uncompressed size of client message body.
     * sent as is from WriteRequest, without check on server side. May be empty (for writes from old client) or wrong (if bug in writer).
     * Use it for optimization purposes only, don't trust it.
     *
     * Generated from protobuf field <code>int64 uncompressed_size = 6;</code>
     * @param int|string $var
     * @return $this
     */
    public function setUncompressedSize($var)
    {
        GPBUtil::checkInt64($var);
        $this->uncompressed_size = $var;

        return $this;
    }

    /**
     * Filled if message_group_id was set on message write.
     *
     * Generated from protobuf field <code>string message_group_id = 7;</code>
     * @return string
     */
    public function getMessageGroupId()
    {
        return $this->message_group_id;
    }

    /**
     * Filled if message_group_id was set on message write.
     *
     * Generated from protobuf field <code>string message_group_id = 7;</code>
     * @param string $var
     * @return $this
     */
    public function setMessageGroupId($var)
    {
        GPBUtil::checkString($var, True);
        $this->message_group_id = $var;

        return $this;
    }

}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(MessageData::class, \Ydb\Topic\StreamReadMessage_ReadResponse_MessageData::class);