org.apache.flink.runtime.util.ScalaUtils Maven / Gradle / Ivy
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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.flink.runtime.util;
import java.util.Optional;
import scala.Option;
/**
* Utilities to convert Scala types into Java types.
*/
public class ScalaUtils {
/**
* Converts a Scala {@link Option} to a {@link Optional}.
*
* @param scalaOption to convert into ta Java {@link Optional}
* @param type of the optional value
* @return Optional of the given option
*/
public static Optional toJava(Option scalaOption) {
if (scalaOption.isEmpty()) {
return Optional.empty();
} else {
return Optional.ofNullable(scalaOption.get());
}
}
private ScalaUtils() {}
}