org.apache.hudi.exception.TableNotFoundException Maven / Gradle / Ivy
/*
* 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);
}
}
}