Examples with TransactionPoolSnapshotUtility com.hazelcast.jet.impl.processor.TransactionPoolSnapshotUtility used on opensource projects

Example 1 with TransactionPoolSnapshotUtility

use of com.hazelcast.jet.impl.processor.TransactionPoolSnapshotUtility in project hazelcast by hazelcast.

the class WriteKafkaP method init.

@Override
public void init(@Nonnull Outbox outbox, @Nonnull Context context) {
    this.context = context;
    ProcessingGuarantee guarantee = context.processingGuarantee() == EXACTLY_ONCE && !exactlyOnce ? AT_LEAST_ONCE : context.processingGuarantee();
    snapshotUtility = new TransactionPoolSnapshotUtility<>(outbox, context, false, guarantee, TXN_POOL_SIZE, (processorIndex, txnIndex) -> new KafkaTransactionId(context.jobId(), context.jobConfig().getName(), context.vertexName(), processorIndex, txnIndex), txnId -> {
        if (txnId != null) {
            properties.put("transactional.id", txnId.getKafkaId());
        }
        return new KafkaTransaction<>(txnId, properties, context.logger());
    }, txnId -> {
        try {
            recoverTransaction(txnId, true);
        } catch (ProducerFencedException e) {
            context.logger().warning("Failed to finish the commit of a transaction ID saved in the " + "snapshot, data loss can occur. Transaction id: " + txnId.getKafkaId(), e);
        }
    }, txnId -> recoverTransaction(txnId, false));
}