external/sql/storm-sql-runtime/src/jvm/org/apache/storm/sql/runtime/IOutputSerializer.java

/*
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.storm.sql.runtime;

import java.nio.ByteBuffer;
import java.util.List;

public interface IOutputSerializer {
  /**
   * Serialize the data to a ByteBuffer. The caller can pass in a ByteBuffer so that the serializer can reuse the
   * memory.
   *
   * @return A ByteBuffer contains the serialized result.
   */
  ByteBuffer write(List<Object> data, ByteBuffer buffer);
}