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/*
 * 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.hudi.exception;

import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

import java.io.FileNotFoundException;
import java.io.IOException;

/**
 * 

* Exception thrown to indicate that a hoodie table was not found on the path provided. *

*/ public class TableNotFoundException extends HoodieException { public TableNotFoundException(String basePath) { super(getErrorMessage(basePath)); } public TableNotFoundException(String basePath, Throwable t) { super(getErrorMessage(basePath), t); } private static String getErrorMessage(String basePath) { return "Hoodie table not found in path " + basePath; } public static void checkTableValidity(FileSystem fs, Path basePathDir, Path metaPathDir) { // Check if the base and meta paths are found try { // Since metaPath is within the basePath, it is enough to check the metaPath exists FileStatus status = fs.getFileStatus(metaPathDir); if (!status.isDirectory()) { throw new TableNotFoundException(metaPathDir.toString()); } } catch (FileNotFoundException | IllegalArgumentException e) { // if the base path is file:///, then we have a IllegalArgumentException throw new TableNotFoundException(metaPathDir.toString(), e); } catch (IOException e) { throw new HoodieIOException("Could not check if " + basePathDir + " is a valid table", e); } } }





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