Examples with TRANSACTIONS org.apache.ignite.internal.client.thin.ProtocolVersionFeature.TRANSACTIONS used on opensource projects

Example 1 with TRANSACTIONS

use of org.apache.ignite.internal.client.thin.ProtocolVersionFeature.TRANSACTIONS in project ignite by apache.

the class TcpClientTransactions method txStart0.

/**
 * @param concurrency Concurrency.
 * @param isolation Isolation.
 * @param timeout Timeout.
 */
private ClientTransaction txStart0(TransactionConcurrency concurrency, TransactionIsolation isolation, Long timeout, String lb) {
    TcpClientTransaction tx0 = tx();
    if (tx0 != null)
        throw new ClientException("A transaction has already been started by the current thread.");
    tx0 = ch.service(ClientOperation.TX_START, req -> {
        ProtocolContext protocolCtx = req.clientChannel().protocolCtx();
        if (!protocolCtx.isFeatureSupported(TRANSACTIONS)) {
            throw new ClientProtocolError(String.format("Transactions are not supported by the server's " + "protocol version %s, required version %s", protocolCtx.version(), TRANSACTIONS.verIntroduced()));
        }
        try (BinaryRawWriterEx writer = new BinaryWriterExImpl(marsh.context(), req.out(), null, null)) {
            writer.writeByte((byte) (concurrency == null ? txCfg.getDefaultTxConcurrency() : concurrency).ordinal());
            writer.writeByte((byte) (isolation == null ? txCfg.getDefaultTxIsolation() : isolation).ordinal());
            writer.writeLong(timeout == null ? txCfg.getDefaultTxTimeout() : timeout);
            writer.writeString(lb);
        }
    }, res -> new TcpClientTransaction(res.in().readInt(), res.clientChannel()));
    threadLocTxUid.set(tx0.txUid);
    txMap.put(tx0.txUid, tx0);
    return tx0;
}