org.apache.inlong.sort.formats.base.ProjectedDeserializationSchemaFactory Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of sort-connector-filesystem

There is a newer version: 1.12.0

/*
 * 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.inlong.sort.formats.base;

import org.apache.flink.api.common.serialization.DeserializationSchema;
import org.apache.flink.table.factories.TableFormatFactory;
import org.apache.flink.types.Row;

import java.util.Map;

/**
 * Factory for creating configured instances of {@link DeserializationSchema}
 * for projected rows.
 */
public interface ProjectedDeserializationSchemaFactory extends TableFormatFactory {

    /**
     * Creates and configures a {@link DeserializationSchema} using the given
     * properties.
     *
     * @param properties The properties describing the format.
     * @param fields The fields of the rows deserialized by the schema.
     * @return The configured deserialization schema used to deserialize the
     *         given fields of rows.
     */
    DeserializationSchema createProjectedDeserializationSchema(
            Map properties,
            int[] fields);
}