cavis/datavec/datavec-spark/src/main/spark-1/org/datavec/spark/transform/BaseFlatMapFunctionAdaptee.java
2019-06-06 15:21:15 +03:00

42 lines
1.4 KiB
Java

/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.datavec.spark.transform;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.datavec.spark.functions.FlatMapFunctionAdapter;
/**
* FlatMapFunction adapter to
* hide incompatibilities between Spark 1.x and Spark 2.x
*
* This class should be used instead of direct referral to FlatMapFunction
*
*/
public class BaseFlatMapFunctionAdaptee<K, V> implements FlatMapFunction<K, V> {
protected final FlatMapFunctionAdapter<K, V> adapter;
public BaseFlatMapFunctionAdaptee(FlatMapFunctionAdapter<K, V> adapter) {
this.adapter = adapter;
}
@Override
public Iterable<V> call(K k) throws Exception {
return adapter.call(k);
}
}