* @return New transaction.
*/
private GridCacheTxLocalAdapter<K, V> newTx(boolean implicit, boolean implicitSingle) {
GridCacheConfiguration cfg = ctx.config();
GridCacheTxConcurrency concurrency = implicit ? PESSIMISTIC : cfg.getDefaultTxConcurrency();
GridCacheTxIsolation isolation = implicit ? READ_COMMITTED : cfg.getDefaultTxIsolation();
return newTx(
implicit,
implicitSingle,