| /** |
| * 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.crunch.io; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| |
| /** |
| * A target whose output goes to a given path on a file system. |
| */ |
| public interface PathTarget extends MapReduceTarget { |
| |
| Path getPath(); |
| |
| /** |
| * Get the naming scheme to be used for outputs being written to an output |
| * path. |
| * |
| * @return the naming scheme to be used |
| */ |
| FileNamingScheme getFileNamingScheme(); |
| |
| /** |
| * Handles moving the output data for this target from a temporary location on the |
| * filesystem to its target path at the end of a MapReduce job. |
| * |
| * @param conf The job {@code Configuration} |
| * @param workingPath The temp directory that contains the output of the job |
| * @param index The index of this target for jobs that write multiple output files to a single directory |
| * @throws IOException |
| */ |
| void handleOutputs(Configuration conf, Path workingPath, int index) throws IOException; |
| } |