/** * 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.hadoop.hive.serde2.lazy; public interface LazyObjectBase { /** * Set the data for this LazyObjectBase. We take ByteArrayRef instead of byte[] so * that we will be able to drop the reference to byte[] by a single * assignment. The ByteArrayRef object can be reused across multiple rows. * * @param bytes * The wrapper of the byte[]. * @param start * The start position inside the bytes. * @param length * The length of the data, starting from "start" * @see ByteArrayRef */ void init(ByteArrayRef bytes, int start, int length); /** * called for null binary, hbase columns, for example */ void setNull(); /** * If the LazyObjectBase is a primitive Object, then deserialize it and return the * actual primitive Object. Otherwise (array, map, struct), return this. */ Object getObject(); }