org.apache.kylin.storage.hbase.ii.IIBulkLoadJob.java Source code

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Here is the source code for org.apache.kylin.storage.hbase.ii.IIBulkLoadJob.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 org.apache.kylin.storage.hbase.ii;

import org.apache.commons.cli.Options;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles;
import org.apache.hadoop.util.ToolRunner;
import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
import org.apache.kylin.invertedindex.model.IIDesc;
import org.apache.kylin.storage.hbase.HBaseConnection;

/**
 */
public class IIBulkLoadJob extends AbstractHadoopJob {

    @Override
    public int run(String[] args) throws Exception {
        Options options = new Options();

        try {
            options.addOption(OPTION_INPUT_PATH);
            options.addOption(OPTION_HTABLE_NAME);
            options.addOption(OPTION_II_NAME);
            parseOptions(options, args);

            String tableName = getOptionValue(OPTION_HTABLE_NAME).toUpperCase();
            String input = getOptionValue(OPTION_INPUT_PATH);

            Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
            FileSystem fs = FileSystem.get(conf);

            Path columnFamilyPath = new Path(input, IIDesc.HBASE_FAMILY);

            // File may have already been auto-loaded (in the case of MapR DB)
            if (fs.exists(columnFamilyPath)) {
                FsPermission permission = new FsPermission((short) 0777);
                fs.setPermission(columnFamilyPath, permission);
            }

            return ToolRunner.run(new LoadIncrementalHFiles(conf), new String[] { input, tableName });

        } catch (Exception e) {
            printUsage(options);
            throw e;
        }
    }

}