org.apache.flink.streaming.connectors.pulsar.util.DataTypeUtils Maven / Gradle / Ivy
/*
* Licensed 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.streaming.connectors.pulsar.util;
import org.apache.flink.table.types.AtomicDataType;
import org.apache.flink.table.types.DataType;
import java.util.Optional;
/**
* flink DataType util.
*/
public class DataTypeUtils {
@SuppressWarnings("unchecked")
public static Optional> extractType(DataType dataType) {
if (dataType instanceof AtomicDataType) {
final Class conversionClass = (Class) dataType.getConversionClass();
return Optional.of(conversionClass);
}
return Optional.empty();
}
}