/*
* 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.spark;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.Ignition;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.util.typedef.F;
import org.apache.ignite.lang.IgniteOutClosure;
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.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.api.java.function.Function2;
import org.apache.spark.api.java.function.PairFunction;
import org.apache.spark.sql.Column;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Row;
import scala.Tuple2;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.util.List;
/**
* Tests for {@link JavaIgniteRDD} (standalone mode).
*/
public class JavaStandaloneIgniteRDDSelfTest extends GridCommonAbstractTest {
/** Grid count. */
private static final int GRID_CNT = 3;
/** Keys count. */
private static final int KEYS_CNT = 10000;
/** Entity cache name. */
private static final String ENTITY_CACHE_NAME = "entity";
/** Entity all types fields types name. */
private static final String ENTITY_ALL_TYPES_CACHE_NAME = "entityAllTypes";
/** Ip finder. */
private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
/** Sum function. */
private static final Function2<Integer, Integer, Integer> SUM_F = new Function2<Integer, Integer, Integer>() {
public Integer call(Integer x, Integer y) {
return x + y;
}
};
/** To pair function. */
private static final PairFunction<Integer, String, String> TO_PAIR_F = new PairFunction<Integer, String, String>() {
/** {@inheritDoc} */
@Override public Tuple2<String, String> call(Integer i) {
return new Tuple2<>(String.valueOf(i), "val" + i);
}
};
/** (String, Integer); pair to Integer value function. */
private static final Function<Tuple2<String, Integer>, Integer> STR_INT_PAIR_TO_INT_F = new PairToValueFunction<>();
/** (String, Entity) pair to Entity value function. */
private static final Function<Tuple2<String, Entity>, Entity> STR_ENTITY_PAIR_TO_ENTITY_F =
new PairToValueFunction<>();
/** Integer to entity function. */
private static final PairFunction<Integer, String, Entity> INT_TO_ENTITY_F =
new PairFunction<Integer, String, Entity>() {
@Override public Tuple2<String, Entity> call(Integer i) throws Exception {
return new Tuple2<>(String.valueOf(i), new Entity(i, "name" + i, i * 100));
}
};
/** */
private static final PairFunction<Integer, String, EntityTestAllTypeFields> INT_TO_ENTITY_ALL_FIELDS_F =
new PairFunction<Integer, String, EntityTestAllTypeFields>() {
@Override public Tuple2<String, EntityTestAllTypeFields> call(Integer i) throws Exception {
return new Tuple2<>(String.valueOf(i), new EntityTestAllTypeFields(i));
}
};
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
Ignition.ignite("grid-0").cache(ENTITY_CACHE_NAME).clear();
Ignition.ignite("grid-0").cache(ENTITY_ALL_TYPES_CACHE_NAME).clear();
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
Ignition.stop("client", false);
}
/** {@inheritDoc} */
@Override protected void beforeTestsStarted() throws Exception {
for (int i = 0; i < GRID_CNT; i++)
Ignition.start(getConfiguration("grid-" + i, false));
}
/** {@inheritDoc} */
@Override protected void afterTestsStopped() throws Exception {
for (int i = 0; i < GRID_CNT; i++)
Ignition.stop("grid-" + i, false);
}
/**
* @throws Exception If failed.
*/
public void testStoreDataToIgnite() throws Exception {
JavaSparkContext sc = new JavaSparkContext("local[*]", "test");
try {
JavaIgniteContext<String, String> ic = new JavaIgniteContext<>(sc, new IgniteConfigProvider());
ic.fromCache(ENTITY_CACHE_NAME)
.savePairs(sc.parallelize(F.range(0, KEYS_CNT), 2).mapToPair(TO_PAIR_F));
Ignite ignite = Ignition.ignite("grid-0");
IgniteCache<String, String> cache = ignite.cache(ENTITY_CACHE_NAME);
for (int i = 0; i < KEYS_CNT; i++) {
String val = cache.get(String.valueOf(i));
assertNotNull("Value was not put to cache for key: " + i, val);
assertEquals("Invalid value stored for key: " + i, "val" + i, val);
}
}
finally {
sc.stop();
}
}
/**
* @throws Exception If failed.
*/
public void testReadDataFromIgnite() throws Exception {
JavaSparkContext sc = new JavaSparkContext("local[*]", "test");
try {
JavaIgniteContext<String, Integer> ic = new JavaIgniteContext<>(sc, new IgniteConfigProvider());
Ignite ignite = Ignition.ignite("grid-0");
IgniteCache<String, Integer> cache = ignite.cache(ENTITY_CACHE_NAME);
for (int i = 0; i < KEYS_CNT; i++)
cache.put(String.valueOf(i), i);
JavaRDD<Integer> values = ic.fromCache(ENTITY_CACHE_NAME).map(STR_INT_PAIR_TO_INT_F);
int sum = values.fold(0, SUM_F);
int expSum = (KEYS_CNT * KEYS_CNT + KEYS_CNT) / 2 - KEYS_CNT;
assertEquals(expSum, sum);
}
finally {
sc.stop();
}
}
/**
* @throws Exception If failed.
*/
public void testQueryObjectsFromIgnite() throws Exception {
JavaSparkContext sc = new JavaSparkContext("local[*]", "test");
try {
JavaIgniteContext<String, Entity> ic = new JavaIgniteContext<>(sc, new IgniteConfigProvider());
JavaIgniteRDD<String, Entity> cache = ic.fromCache(ENTITY_CACHE_NAME);
cache.savePairs(sc.parallelize(F.range(0, 1001), 2).mapToPair(INT_TO_ENTITY_F));
List<Entity> res = cache.objectSql("Entity", "name = ? and salary = ?", "name50", 5000)
.map(STR_ENTITY_PAIR_TO_ENTITY_F).collect();
assertEquals("Invalid result length", 1, res.size());
assertEquals("Invalid result", 50, res.get(0).id());
assertEquals("Invalid result", "name50", res.get(0).name());
assertEquals("Invalid result", 5000, res.get(0).salary());
assertEquals("Invalid count", 500, cache.objectSql("Entity", "id > 500").count());
}
finally {
sc.stop();
}
}
/**
* @throws Exception If failed.
*/
public void testQueryFieldsFromIgnite() throws Exception {
JavaSparkContext sc = new JavaSparkContext("local[*]", "test");
try {
JavaIgniteContext<String, Entity> ic = new JavaIgniteContext<>(sc, new IgniteConfigProvider());
JavaIgniteRDD<String, Entity> cache = ic.fromCache(ENTITY_CACHE_NAME);
cache.savePairs(sc.parallelize(F.range(0, 1001), 2).mapToPair(INT_TO_ENTITY_F));
Dataset<Row> df =
cache.sql("select id, name, salary from Entity where name = ? and salary = ?", "name50", 5000);
df.printSchema();
Row[] res = (Row[])df.collect();
assertEquals("Invalid result length", 1, res.length);
assertEquals("Invalid result", 50, res[0].get(0));
assertEquals("Invalid result", "name50", res[0].get(1));
assertEquals("Invalid result", 5000, res[0].get(2));
Column exp = new Column("NAME").equalTo("name50").and(new Column("SALARY").equalTo(5000));
Dataset<Row> df0 = cache.sql("select id, name, salary from Entity").where(exp);
df.printSchema();
Row[] res0 = (Row[])df0.collect();
assertEquals("Invalid result length", 1, res0.length);
assertEquals("Invalid result", 50, res0[0].get(0));
assertEquals("Invalid result", "name50", res0[0].get(1));
assertEquals("Invalid result", 5000, res0[0].get(2));
assertEquals("Invalid count", 500, cache.sql("select id from Entity where id > 500").count());
}
finally {
sc.stop();
}
}
/**
* @throws Exception If failed.
*/
public void testAllFieldsTypes() throws Exception {
JavaSparkContext sc = new JavaSparkContext("local[*]", "test");
final int cnt = 100;
try {
JavaIgniteContext<String, EntityTestAllTypeFields> ic = new JavaIgniteContext<>(sc, new IgniteConfigProvider());
JavaIgniteRDD<String, EntityTestAllTypeFields> cache = ic.fromCache(ENTITY_ALL_TYPES_CACHE_NAME);
cache.savePairs(sc.parallelize(F.range(0, cnt), 2).mapToPair(INT_TO_ENTITY_ALL_FIELDS_F));
EntityTestAllTypeFields e = new EntityTestAllTypeFields(cnt / 2);
for(Field f : EntityTestAllTypeFields.class.getDeclaredFields()) {
String fieldName = f.getName();
Object val = GridTestUtils.getFieldValue(e, fieldName);
Dataset<Row> df = cache.sql(
String.format("select %s from EntityTestAllTypeFields where %s = ?", fieldName, fieldName),
val);
if (val instanceof BigDecimal) {
Object res = ((Row[])df.collect())[0].get(0);
assertTrue(String.format("+++ Fail on %s field", fieldName),
((Comparable<BigDecimal>)val).compareTo((BigDecimal)res) == 0);
}
else if (val instanceof java.sql.Date)
assertEquals(String.format("+++ Fail on %s field", fieldName),
val.toString(), ((Row[])df.collect())[0].get(0).toString());
else if (val.getClass().isArray())
assertTrue(String.format("+++ Fail on %s field", fieldName), 1 <= df.count());
else {
assertTrue(String.format("+++ Fail on %s field", fieldName), ((Row[])df.collect()).length > 0);
assertTrue(String.format("+++ Fail on %s field", fieldName), ((Row[])df.collect())[0].size() > 0);
assertEquals(String.format("+++ Fail on %s field", fieldName), val, ((Row[])df.collect())[0].get(0));
}
info(String.format("+++ Query on the filed: %s : %s passed", fieldName, f.getType().getSimpleName()));
}
}
finally {
sc.stop();
}
}
/**
* @param igniteInstanceName Ignite instance name.
* @param client Client.
* @return Cache configuration.
*/
private static IgniteConfiguration getConfiguration(String igniteInstanceName, boolean client) throws Exception {
IgniteConfiguration cfg = new IgniteConfiguration();
TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
discoSpi.setIpFinder(IP_FINDER);
cfg.setDiscoverySpi(discoSpi);
cfg.setCacheConfiguration(
cacheConfiguration(ENTITY_CACHE_NAME, String.class, Entity.class),
cacheConfiguration(ENTITY_ALL_TYPES_CACHE_NAME, String.class, EntityTestAllTypeFields.class));
cfg.setClientMode(client);
cfg.setIgniteInstanceName(igniteInstanceName);
return cfg;
}
/**
* @param name Name.
* @param clsK Class k.
* @param clsV Class v.
* @return cache Configuration.
*/
private static CacheConfiguration<Object, Object> cacheConfiguration(String name, Class<?> clsK, Class<?> clsV) {
CacheConfiguration<Object, Object> ccfg = new CacheConfiguration<>(DEFAULT_CACHE_NAME);
ccfg.setBackups(1);
ccfg.setName(name);
ccfg.setIndexedTypes(clsK, clsV);
return ccfg;
}
/**
* Ignite configiration provider.
*/
static class IgniteConfigProvider implements IgniteOutClosure<IgniteConfiguration> {
/** {@inheritDoc} */
@Override public IgniteConfiguration apply() {
try {
return getConfiguration("client", true);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
}
/**
* @param <K>
* @param <V>
*/
static class PairToValueFunction<K, V> implements Function<Tuple2<K, V>, V> {
/** {@inheritDoc} */
@Override public V call(Tuple2<K, V> t) throws Exception {
return t._2();
}
}
}