/*
* 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.flink.graph.asm.translate.translators;
import org.apache.flink.graph.asm.translate.TranslateFunction;
import org.apache.flink.types.NullValue;
/**
* Replace any type with {@link NullValue}.
*
* @param <T> the type of the source value
*/
public class ToNullValue<T>
implements TranslateFunction<T, NullValue> {
@Override
public NullValue translate(T value, NullValue reuse)
throws Exception {
return NullValue.getInstance();
}
}