co.nubetech.hiho.job.sf.ExportSalesForceJob.java Source code

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Here is the source code for co.nubetech.hiho.job.sf.ExportSalesForceJob.java

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/**
 * Copyright 2010 Nube Technologies
 * 
 * Licensed 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 co.nubetech.hiho.job.sf;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;

import co.nubetech.hiho.common.HIHOConf;
import co.nubetech.hiho.common.HIHOException;
import co.nubetech.hiho.mapreduce.sf.SalesForceLoadMapper;

public class ExportSalesForceJob extends Configured implements Tool {

    private String inputPath = null;

    public void populateConfiguration(String[] args, Configuration conf) {
        for (int i = 0; i < args.length - 1; i++) {
            if ("-inputPath".equals(args[i])) {
                inputPath = args[++i];
            } else if ("-sfUserName".equals(args[i])) {
                conf.set(HIHOConf.SALESFORCE_USERNAME, args[++i]);
            } else if ("-sfPassword".equals(args[i])) {
                conf.set(HIHOConf.SALESFORCE_PASSWORD, args[++i]);
            } else if ("-sfObjectType".equals(args[i])) {
                conf.set(HIHOConf.SALESFORCE_SOBJECTYPE, args[++i]);
            } else if ("-sfHeaders".equals(args[i])) {
                conf.set(HIHOConf.SALESFORCE_HEADERS, args[++i]);
            }
        }
    }

    public void checkMandatoryConfs(Configuration conf) throws HIHOException {
        if (inputPath == null) {
            throw new HIHOException("The provided inputPath is empty, please specify inputPath");
        }
        if (conf.get(HIHOConf.SALESFORCE_USERNAME) == null) {
            throw new HIHOException("The SalesForce UserName is not specified, please specify SalesForce UserName");
        }
        if (conf.get(HIHOConf.SALESFORCE_PASSWORD) == null) {
            throw new HIHOException("The SalesForce Password is not specified, please specify SalesForce Password");
        }
        if (conf.get(HIHOConf.SALESFORCE_SOBJECTYPE) == null) {
            throw new HIHOException(
                    "The SalesForce SOBJECTYPE is not specified, please specify SalesForce SOBJECTYPE");
        }
        if (conf.get(HIHOConf.SALESFORCE_HEADERS) == null) {
            throw new HIHOException("The SalesForce Headers is not specified, please specify SalesForce Headers");
        }
    }

    @Override
    public int run(String[] arg0) throws Exception {
        Configuration conf = getConf();
        populateConfiguration(arg0, conf);
        try {
            checkMandatoryConfs(conf);
        } catch (HIHOException e1) {
            e1.printStackTrace();
            throw new Exception(e1);
        }

        Job job = new Job(conf);
        job.setJobName("SaleForceLoading");
        job.setMapperClass(SalesForceLoadMapper.class);
        job.setJarByClass(SalesForceLoadMapper.class);
        job.setNumReduceTasks(0);

        job.setInputFormatClass(TextInputFormat.class);
        TextInputFormat.addInputPath(job, new Path(inputPath));
        // NLineInputFormat.setNumLinesPerSplit(job, 10);

        job.setMapOutputKeyClass(NullWritable.class);
        job.setMapOutputValueClass(NullWritable.class);

        job.setOutputFormatClass(NullOutputFormat.class);

        int ret = 0;

        try {
            ret = job.waitForCompletion(true) ? 0 : 1;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return ret;

    }

    public static void main(String[] args) throws Exception {
        int res = ToolRunner.run(new Configuration(), new ExportSalesForceJob(), args);
        System.exit(res);
    }

}