@ydbjs/topic/dist/message.js

YDB Topics client for publish-subscribe messaging. Provides at-least-once delivery, exactly-once publishing, FIFO guarantees, and scalable message processing for unstructured data.

export class TopicMessage {
    partitionSession;
    producer;
    payload;
    codec;
    seqNo;
    offset;
    uncompressedSize;
    createdAt;
    writtenAt;
    metadataItems;
    constructor(options) {
        this.partitionSession = new WeakRef(options.partitionSession);
        this.producer = options.producer;
        this.payload = options.payload;
        this.codec = options.codec;
        this.seqNo = options.seqNo;
        if (options.offset) {
            this.offset = options.offset;
        }
        if (options.uncompressedSize) {
            this.uncompressedSize = options.uncompressedSize;
        }
    }
    get alive() {
        const session = this.partitionSession.deref();
        return session ? !session.isStopped : false;
    }
}
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