Examples with IgniteFuture org.apache.ignite.lang.IgniteFuture used on opensource projects

Example 76 with IgniteFuture

use of org.apache.ignite.lang.IgniteFuture in project ignite by apache.

the class GridCommonAbstractTest method doInTransaction.

/**
 * @param ignite Ignite instance.
 * @param concurrency Transaction concurrency.
 * @param isolation Transaction isolation.
 * @param clo Closure.
 * @return Result of closure execution.
 * @throws Exception If failed.
 */
protected static <T> T doInTransaction(Ignite ignite, TransactionConcurrency concurrency, TransactionIsolation isolation, Callable<T> clo) throws Exception {
    while (true) {
        try (Transaction tx = ignite.transactions().txStart(concurrency, isolation)) {
            T res = clo.call();
            tx.commit();
            return res;
        } catch (CacheException e) {
            if (e.getCause() instanceof ClusterTopologyException) {
                ClusterTopologyException topEx = (ClusterTopologyException) e.getCause();
                topEx.retryReadyFuture().get();
            } else
                throw e;
        } catch (ClusterTopologyException e) {
            IgniteFuture<?> fut = e.retryReadyFuture();
            fut.get();
        } catch (TransactionRollbackException ignore) {
        // Safe to retry right away.
        }
    }
}