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[HUDI-1364] Add HoodieJavaEngineContext to hudi-java-client (#2222)

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This commit is contained in:
Shen Hong
2020-11-24 02:06:28 +08:00
committed by GitHub
parent 971f028aaf
commit d9411c38db
8 changed files with 426 additions and 0 deletions
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86
hudi-client/hudi-java-client/src/main/java/org/apache/hudi/client/common/HoodieJavaEngineContext.java Normal file
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/*
* 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.hudi.client.common;
import org.apache.hadoop.conf.Configuration;
import org.apache.hudi.client.common.function.SerializableConsumer;
import org.apache.hudi.client.common.function.SerializableFunction;
import org.apache.hudi.client.common.function.SerializablePairFunction;
import org.apache.hudi.common.config.SerializableConfiguration;
import org.apache.hudi.common.util.Option;
import scala.Tuple2;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
import static org.apache.hudi.client.common.function.FunctionWrapper.throwingFlatMapWrapper;
import static org.apache.hudi.client.common.function.FunctionWrapper.throwingForeachWrapper;
import static org.apache.hudi.client.common.function.FunctionWrapper.throwingMapToPairWrapper;
import static org.apache.hudi.client.common.function.FunctionWrapper.throwingMapWrapper;
/**
* A java engine implementation of HoodieEngineContext.
*/
public class HoodieJavaEngineContext extends HoodieEngineContext {
public HoodieJavaEngineContext(Configuration conf, TaskContextSupplier taskContextSupplier) {
super(new SerializableConfiguration(conf), taskContextSupplier);
}
@Override
public <I, O> List<O> map(List<I> data, SerializableFunction<I, O> func, int parallelism) {
return data.stream().parallel().map(throwingMapWrapper(func)).collect(toList());
}
@Override
public <I, O> List<O> flatMap(List<I> data, SerializableFunction<I, Stream<O>> func, int parallelism) {
return data.stream().parallel().flatMap(throwingFlatMapWrapper(func)).collect(toList());
}
@Override
public <I> void foreach(List<I> data, SerializableConsumer<I> consumer, int parallelism) {
data.stream().forEach(throwingForeachWrapper(consumer));
}
@Override
public <I, K, V> Map<K, V> mapToPair(List<I> data, SerializablePairFunction<I, K, V> func, Integer parallelism) {
return data.stream().map(throwingMapToPairWrapper(func)).collect(
Collectors.toMap(Tuple2::_1, Tuple2::_2, (oldVal, newVal) -> newVal)
);
}
@Override
public void setProperty(EngineProperty key, String value) {
// no operation for now
}
@Override
public Option<String> getProperty(EngineProperty key) {
return Option.empty();
}
@Override
public void setJobStatus(String activeModule, String activityDescription) {
// no operation for now
}
}

23
hudi-client/hudi-java-client/src/main/resources/log4j.properties Normal file
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###
# 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.
###
log4j.rootLogger=INFO, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

85
hudi-client/hudi-java-client/src/test/java/org/apache/hudi/client/common/TestHoodieJavaEngineContext.java Normal file
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/*
* 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.hudi.client.common;
import org.apache.hadoop.conf.Configuration;
import org.apache.hudi.DummyTaskContextSupplier;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Assertions;
import scala.Tuple2;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
public class TestHoodieJavaEngineContext {
private HoodieJavaEngineContext context =
new HoodieJavaEngineContext(new Configuration(), new DummyTaskContextSupplier());
@Test
public void testMap() {
List<Integer> mapList = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
List<Integer> result = context.map(mapList, x -> x + 1, 2);
result.removeAll(mapList);
Assertions.assertEquals(1, result.size());
Assertions.assertEquals(11, result.get(0));
}
@Test
public void testFlatMap() {
List<String> list1 = Arrays.asList("a", "b", "c");
List<String> list2 = Arrays.asList("d", "e", "f");
List<String> list3 = Arrays.asList("g", "h", "i");
List<List<String>> inputList = new ArrayList<>();
inputList.add(list1);
inputList.add(list2);
inputList.add(list3);
List<String> result = context.flatMap(inputList, Collection::stream, 2);
Assertions.assertEquals(9, result.size());
}
@Test
public void testForeach() {
List<Integer> mapList = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
List<Integer> result = new ArrayList<>(10);
context.foreach(mapList, result::add, 2);
Assertions.assertEquals(result.size(), mapList.size());
Assertions.assertTrue(result.containsAll(mapList));
}
@Test
public void testMapToPair() {
List<String> mapList = Arrays.asList("hudi_flink", "hudi_spark", "hudi_java");
Map<String, String> resultMap = context.mapToPair(mapList, x -> {
String[] splits = x.split("_");
return Tuple2.apply(splits[0], splits[1]);
}, 2);
Assertions.assertNotNull(resultMap.get("hudi"));
}
}

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hudi-client/hudi-java-client/src/test/resources/log4j-surefire.properties Normal file
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###
# 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.
###
log4j.rootLogger=WARN, CONSOLE
log4j.logger.org.apache=INFO
log4j.logger.org.apache.hudi=DEBUG
log4j.logger.org.apache.hadoop.hbase=ERROR
# A1 is set to be a ConsoleAppender.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n
log4j.appender.CONSOLE.filter.a=org.apache.log4j.varia.LevelRangeFilter
log4j.appender.CONSOLE.filter.a.AcceptOnMatch=true
log4j.appender.CONSOLE.filter.a.LevelMin=WARN
log4j.appender.CONSOLE.filter.a.LevelMax=FATAL