| /* |
| * 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.iceberg; |
| |
| import org.apache.iceberg.io.FileIO; |
| import org.apache.iceberg.io.LocationProvider; |
| |
| /** |
| * TableOperations implementation that provides access to metadata for a Table at some point in time, using a |
| * table metadata location. It will never refer to a different Metadata object than the one it was created with |
| * and cannot be used to create or delete files. |
| */ |
| public class StaticTableOperations implements TableOperations { |
| private final TableMetadata staticMetadata; |
| private final FileIO io; |
| |
| /** |
| * Creates a StaticTableOperations tied to a specific static version of the TableMetadata |
| */ |
| public StaticTableOperations(String metadataFileLocation, FileIO io) { |
| this.io = io; |
| this.staticMetadata = TableMetadataParser.read(io, metadataFileLocation); |
| } |
| |
| @Override |
| public TableMetadata current() { |
| return staticMetadata; |
| } |
| |
| @Override |
| public TableMetadata refresh() { |
| return staticMetadata; |
| } |
| |
| @Override |
| public void commit(TableMetadata base, TableMetadata metadata) { |
| throw new UnsupportedOperationException("Cannot modify a static table"); |
| } |
| |
| @Override |
| public FileIO io() { |
| return this.io; |
| } |
| |
| @Override |
| public String metadataFileLocation(String fileName) { |
| throw new UnsupportedOperationException("Cannot modify a static table"); |
| } |
| |
| @Override |
| public LocationProvider locationProvider() { |
| throw new UnsupportedOperationException("Cannot modify a static table"); |
| } |
| } |