/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Apache.Ignite.Benchmarks.Interop
{
    using System.Collections.Generic;
    using Apache.Ignite.Core.Cache;
    using Apache.Ignite.Core.Transactions;

    /// <summary>
    /// Transactions benchmark.
    /// </summary>
    internal class TxBenchmark : PlatformBenchmarkBase
    {
        /** Cache name. */
        private const string CacheName = "cache_tx";

        /** Native cache wrapper. */
        private ICache<object, object> _cache;

        /** <inheritDoc /> */
        protected override void OnStarted()
        {
            base.OnStarted();

            _cache = Node.GetCache<object, object>(CacheName);
        }

        /** <inheritDoc /> */
        protected override void GetDescriptors(ICollection<BenchmarkOperationDescriptor> descs)
        {
            descs.Add(BenchmarkOperationDescriptor.Create("PutTx", PutTx, 1));
        }

        /// <summary>
        /// Cache put.
        /// </summary>
        private void PutTx(BenchmarkState state)
        {
            int idx = BenchmarkUtils.GetRandomInt(Dataset);

            using (var tx = Node.GetTransactions().TxStart(TransactionConcurrency.Pessimistic,
                TransactionIsolation.RepeatableRead))
            {
                _cache.Put(idx, Emps[idx]);

                tx.Commit();
            }
        }
    }
}