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

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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/*
* 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.function;
import org.apache.hudi.exception.HoodieException;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.stream.Stream;
import scala.Tuple2;
/**
* Function wrapper util class, which catches the exception thrown by input function and return a similar function
* with no exception thrown.
*/
public class FunctionWrapper {
public static <I, O> Function<I, O> throwingMapWrapper(SerializableFunction<I, O> throwingMapFunction) {
return v1 -> {
try {
return throwingMapFunction.apply(v1);
} catch (Exception e) {
throw new HoodieException("Error occurs when executing map", e);
}
};
}
public static <I, O> Function<I, Stream<O>> throwingFlatMapWrapper(SerializableFunction<I, Stream<O>> throwingFlatMapFunction) {
return v1 -> {
try {
return throwingFlatMapFunction.apply(v1);
} catch (Exception e) {
throw new HoodieException("Error occurs when executing flatMap", e);
}
};
}
public static <I> Consumer<I> throwingForeachWrapper(SerializableConsumer<I> throwingConsumer) {
return v1 -> {
try {
throwingConsumer.accept(v1);
} catch (Exception e) {
throw new HoodieException("Error occurs when executing foreach", e);
}
};
}
public static <I, K, V> Function<I, Tuple2<K, V>> throwingMapToPairWrapper(SerializablePairFunction<I, K, V> throwingPairFunction) {
return v1 -> {
try {
return throwingPairFunction.call(v1);
} catch (Exception e) {
throw new HoodieException("Error occurs when executing mapToPair", e);
}
};
}
}