| /* |
| * 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.iotdb.udf.api; |
| |
| public interface State { |
| /** Reset your state object to its initial state. */ |
| void reset(); |
| |
| /** |
| * Serialize your state into byte array. The order of serialization must be consistent with |
| * deserialization. |
| */ |
| byte[] serialize(); |
| |
| /** |
| * Deserialize byte array into your state. The order of deserialization must be consistent with |
| * serialization. |
| */ |
| void deserialize(byte[] bytes); |
| |
| /** Destroy state. You may release previously binding resource in this method. */ |
| default void destroyState() {} |
| ; |
| } |