modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteMarshallerCacheConcurrentReadWriteTest.java

/*
 * 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.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;

import static org.apache.ignite.cache.CacheMode.REPLICATED;
import static org.apache.ignite.cache.CacheRebalanceMode.SYNC;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;

/**
 *
 */
public class IgniteMarshallerCacheConcurrentReadWriteTest extends GridCommonAbstractTest {
    /** {@inheritDoc} */
    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
        IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);

        cfg.setPeerClassLoadingEnabled(false);

        ((TcpCommunicationSpi)cfg.getCommunicationSpi()).setSharedMemoryPort(-1);

        CacheConfiguration ccfg = new CacheConfiguration(DEFAULT_CACHE_NAME);

        ccfg.setCacheMode(REPLICATED);
        ccfg.setRebalanceMode(SYNC);
        ccfg.setWriteSynchronizationMode(FULL_SYNC);

        cfg.setCacheConfiguration(ccfg);

        return cfg;
    }

    /** {@inheritDoc} */
    @Override protected void afterTest() throws Exception {
        stopAllGrids();

        super.afterTest();
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testConcurrentReadWrite() throws Exception {
        Ignite ignite = startGrid(0);

        Map<Integer, Object> data = new HashMap<>();

        final Map<Integer, byte[]> dataBytes = new HashMap<>();

        for (int i = 0; i < 10; i++) {
            Object obj = null;

            switch (i % 10) {
                case 0: obj = new TestClass1(); break;
                case 1: obj = new TestClass2(); break;
                case 2: obj = new TestClass3(); break;
                case 3: obj = new TestClass4(); break;
                case 4: obj = new TestClass5(); break;
                case 5: obj = new TestClass6(); break;
                case 6: obj = new TestClass7(); break;
                case 7: obj = new TestClass8(); break;
                case 8: obj = new TestClass9(); break;
                case 9: obj = new TestClass10(); break;
                default: fail();
            }

            data.put(i, obj);

            dataBytes.put(i, ignite.configuration().getMarshaller().marshal(obj));
        }

        ignite.cache(DEFAULT_CACHE_NAME).putAll(data);

        stopGrid(0);

        for (int i = 0; i < 3; i++) {
            log.info("Iteration: " + i);

            final AtomicInteger idx = new AtomicInteger();

            GridTestUtils.runMultiThreaded(new Callable<Void>() {
                @Override public Void call() throws Exception {
                    int node = idx.getAndIncrement();

                    Ignite ignite = startGrid(node);

                    IgniteCache<Object, Object> cache = ignite.cache(DEFAULT_CACHE_NAME);

                    for (Map.Entry<Integer, byte[]> e : dataBytes.entrySet()) {
                        Object obj = ignite.configuration().getMarshaller().unmarshal(e.getValue(), null);

                        cache.put(e.getKey(), obj);
                    }

                    ignite.cache(DEFAULT_CACHE_NAME).getAll(dataBytes.keySet());

                    return null;
                }
            }, 10, "test-thread");

            stopAllGrids();
        }
    }

    /**
     *
     */
    static class TestClass1 implements Serializable { }

    /**
     *
     */
    static class TestClass2 implements Serializable { }

    /**
     *
     */
    static class TestClass3 implements Serializable { }

    /**
     *
     */
    static class TestClass4 implements Serializable { }

    /**
     *
     */
    static class TestClass5 implements Serializable { }

    /**
     *
     */
    static class TestClass6 implements Serializable { }

    /**
     *
     */
    static class TestClass7 implements Serializable { }

    /**
     *
     */
    static class TestClass8 implements Serializable { }

    /**
     *
     */
    static class TestClass9 implements Serializable { }

    /**
     *
     */
    static class TestClass10 implements Serializable { }
}