/*
* 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.
*/
package org.apache.ignite.yardstick.cache;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.ignite.transactions.Transaction;
import org.apache.ignite.transactions.TransactionOptimisticException;
import org.apache.ignite.yardstick.cache.model.Account;
import static org.apache.ignite.transactions.TransactionConcurrency.OPTIMISTIC;
import static org.apache.ignite.transactions.TransactionIsolation.SERIALIZABLE;
/**
*
*/
public class IgniteAccountSerializableTxBenchmark extends IgniteAccountTxAbstractBenchmark {
/** {@inheritDoc} */
@Override public boolean test(Map<Object, Object> ctx) throws Exception {
Set<Integer> accountIds = new HashSet<>();
int accNum = args.batch();
while (accountIds.size() < accNum)
accountIds.add(nextRandom(args.range()));
while (true) {
try (Transaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE)) {
Map<Integer, Account> accounts = (Map)cache.getAll(accountIds);
if (accounts.size() != accNum)
throw new Exception("Failed to find accounts: " + accountIds);
Integer fromId = accountIds.iterator().next();
int fromBalance = accounts.get(fromId).balance();
for (Integer id : accountIds) {
if (id.equals(fromId))
continue;
Account account = accounts.get(id);
if (fromBalance > 0) {
fromBalance--;
cache.put(id, new Account(account.balance() + 1));
}
}
cache.put(fromId, new Account(fromBalance));
tx.commit();
}
catch (TransactionOptimisticException e) {
continue;
}
break;
}
return true;
}
}