| /* |
| * 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.internal.processors.cache; |
| |
| import java.util.UUID; |
| import java.util.concurrent.Callable; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.internal.IgniteKernal; |
| import org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtCacheAdapter; |
| import org.apache.ignite.internal.processors.cache.distributed.near.GridNearCacheAdapter; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.transactions.Transaction; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC; |
| import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ; |
| |
| /** |
| * Checks multithreaded put/get cache operations on one node. |
| */ |
| public abstract class IgniteTxConcurrentGetAbstractTest extends GridCommonAbstractTest { |
| /** Debug flag. */ |
| private static final boolean DEBUG = false; |
| |
| /** */ |
| private static final int THREAD_NUM = 20; |
| |
| /** |
| * Default constructor. |
| * |
| */ |
| protected IgniteTxConcurrentGetAbstractTest() { |
| super(true /** Start grid. */); |
| } |
| |
| /** |
| * @param g Grid. |
| * @return Near cache. |
| */ |
| GridNearCacheAdapter<String, Integer> near(Ignite g) { |
| return (GridNearCacheAdapter<String, Integer>)((IgniteKernal)g).<String, Integer>internalCache(DEFAULT_CACHE_NAME); |
| } |
| |
| /** |
| * @param g Grid. |
| * @return DHT cache. |
| */ |
| GridDhtCacheAdapter<String, Integer> dht(Ignite g) { |
| return near(g).dht(); |
| } |
| |
| /** |
| * JUnit. |
| * |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testPutGet() throws Exception { |
| // Random key. |
| final String key = UUID.randomUUID().toString(); |
| |
| final Ignite ignite = grid(); |
| |
| ignite.cache(DEFAULT_CACHE_NAME).put(key, "val"); |
| |
| GridCacheEntryEx dhtEntry = dht(ignite).peekEx(key); |
| |
| if (DEBUG) |
| info("DHT entry [hash=" + System.identityHashCode(dhtEntry) + ", entry=" + dhtEntry + ']'); |
| |
| String val = txGet(ignite, key); |
| |
| assertNotNull(val); |
| |
| info("Starting threads: " + THREAD_NUM); |
| |
| multithreaded(new Callable<String>() { |
| @Override public String call() throws Exception { |
| return txGet(ignite, key); |
| } |
| }, THREAD_NUM, "getter-thread"); |
| } |
| |
| /** |
| * @param ignite Grid. |
| * @param key Key. |
| * @return Value. |
| * @throws Exception If failed. |
| */ |
| private String txGet(Ignite ignite, String key) throws Exception { |
| try (Transaction tx = ignite.transactions().txStart(PESSIMISTIC, REPEATABLE_READ)) { |
| GridCacheEntryEx dhtEntry = dht(ignite).peekEx(key); |
| |
| if (DEBUG) |
| info("DHT entry [hash=" + System.identityHashCode(dhtEntry) + ", xid=" + tx.xid() + |
| ", entry=" + dhtEntry + ']'); |
| |
| String val = ignite.<String, String>cache(DEFAULT_CACHE_NAME).get(key); |
| |
| assertNotNull(val); |
| assertEquals("val", val); |
| |
| tx.commit(); |
| |
| return val; |
| } |
| } |
| } |