| # 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. | |
| """Entry represents a key value.""" | |
| from dataclasses import dataclass | |
| @dataclass | |
| class BlockHandle: | |
| """Handle for a data block.""" | |
| def __init__(self, offset: int, size: int): | |
| """ | |
| Initialize the block handle. | |
| Args: | |
| offset: Offset of the block in the file | |
| size: Size of the block in bytes | |
| """ | |
| self.offset = offset | |
| self.size = size | |
| def is_null(self) -> bool: | |
| """Check if this handle represents a null block.""" | |
| return self.offset == 0 and self.size == 0 |