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This module contains classes that are required by a task manager for
execution of table programs. The content of this module is work-in-progress.
It will replace the runtime classes contained in flink-table-planner once
it is stable. See FLINK-11439 and FLIP-32 for more details.
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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.table.runtime.typeutils;
import org.apache.flink.annotation.Internal;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.data.binary.BinaryRowData;
import java.io.IOException;
/** Row serializer, provided paged serialize paged method. */
@Internal
public abstract class AbstractRowDataSerializer extends PagedTypeSerializer {
private static final long serialVersionUID = 1L;
/** Get the number of fields. */
public abstract int getArity();
/** Convert a {@link RowData} to a {@link BinaryRowData}. */
public abstract BinaryRowData toBinaryRow(T rowData) throws IOException;
}