modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.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.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.store.CacheStore;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.lang.IgniteBiInClosure;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.transactions.Transaction;
import org.jetbrains.annotations.Nullable;

import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.PARTITIONED;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;

/**
 * Tests for reproduce problem with GG-6895:
 * putx calls CacheStore.load() when null GridPredicate passed in to avoid IDE warnings
 */
public class GridCacheStorePutxSelfTest extends GridCommonAbstractTest {
    /** */
    private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);

    /** */
    private static AtomicInteger loads;

    /** {@inheritDoc} */
    @SuppressWarnings("unchecked")
    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
        IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);

        CacheConfiguration ccfg = new CacheConfiguration(DEFAULT_CACHE_NAME);

        ccfg.setCacheMode(PARTITIONED);
        ccfg.setAtomicityMode(TRANSACTIONAL);
        ccfg.setWriteSynchronizationMode(FULL_SYNC);
        ccfg.setCacheStoreFactory(singletonFactory(new TestStore()));
        ccfg.setReadThrough(true);
        ccfg.setWriteThrough(true);
        ccfg.setLoadPreviousValue(true);

        cfg.setCacheConfiguration(ccfg);

        TcpDiscoverySpi disco = new TcpDiscoverySpi();

        disco.setIpFinder(IP_FINDER);

        cfg.setDiscoverySpi(disco);

        return cfg;
    }

    /** {@inheritDoc} */
    @Override protected void beforeTest() throws Exception {
        loads = new AtomicInteger();

        startGrid();
    }

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

    /**
     * @throws Exception If failed.
     */
    public void testPutShouldNotTriggerLoad() throws Exception {
        jcache().put(1, 1);
        jcache().put(2, 2);

        assertEquals(0, loads.get());
    }

    /**
     * @throws Exception If failed.
     */
    public void testPutShouldNotTriggerLoadWithTx() throws Exception {
        IgniteCache<Integer, Integer> cache = jcache();

        try (Transaction tx = grid().transactions().txStart()) {
            cache.put(1, 1);
            cache.put(2, 2);

            tx.commit();
        }

        assertEquals(0, loads.get());
    }

    /** */
    private static class TestStore implements CacheStore<Integer, Integer> {
        /** {@inheritDoc} */
        @Nullable @Override public Integer load(Integer key) {
            loads.incrementAndGet();

            return null;
        }

        /** {@inheritDoc} */
        @Override public void loadCache(IgniteBiInClosure<Integer, Integer> clo, @Nullable Object... args) {
            // No-op.
        }

        /** {@inheritDoc} */
        @Override public Map<Integer, Integer> loadAll(Iterable<? extends Integer> keys) {
            return Collections.emptyMap();
        }

        /** {@inheritDoc} */
        @Override public void write(javax.cache.Cache.Entry<? extends Integer, ? extends Integer> entry) {
            // No-op.
        }

        /** {@inheritDoc} */
        @Override public void writeAll(Collection<javax.cache.Cache.Entry<? extends Integer, ? extends Integer>> entries) {
            // No-op.
        }

        /** {@inheritDoc} */
        @Override public void delete(Object key) {
            // No-op.
        }

        /** {@inheritDoc} */
        @Override public void deleteAll(Collection<?> keys) {
            // No-op.
        }

        /** {@inheritDoc} */
        @Override public void sessionEnd(boolean commit) {
            // No-op.
        }
    }
}