gobblin.data.management.copy.replication.HadoopFsEndPointDataset.java Source code

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Here is the source code for gobblin.data.management.copy.replication.HadoopFsEndPointDataset.java

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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 gobblin.data.management.copy.replication;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

import gobblin.dataset.FileSystemDataset;
import gobblin.util.HadoopUtils;

/**
 * {@link FileSystemDataset} wrapper class for {@link HadoopFsEndPoint}
 * @author mitu
 *
 */
public class HadoopFsEndPointDataset implements FileSystemDataset {

    private final HadoopFsEndPoint endPoint;
    private Path qualifiedDatasetRoot;

    public HadoopFsEndPointDataset(HadoopFsEndPoint endPoint) {
        this.endPoint = endPoint;
        Configuration conf = HadoopUtils.newConfiguration();
        try {
            FileSystem fs = FileSystem.get(this.endPoint.getFsURI(), conf);
            qualifiedDatasetRoot = fs.makeQualified(this.endPoint.getDatasetPath());
        } catch (IOException e1) {
            // ignored
            qualifiedDatasetRoot = this.endPoint.getDatasetPath();
        }
    }

    @Override
    public String datasetURN() {
        return this.qualifiedDatasetRoot.toString();
    }

    @Override
    public Path datasetRoot() {
        return this.qualifiedDatasetRoot;
    }
}