Example usage for org.apache.hadoop.mapred FileInputFormat setInputPaths

List of usage examples for org.apache.hadoop.mapred FileInputFormat setInputPaths

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Introduction

In this page you can find the example usage for org.apache.hadoop.mapred FileInputFormat setInputPaths.

Prototype

public static void setInputPaths(JobConf conf, Path... inputPaths)

Source Link

Document

Set the array of Path s as the list of inputs for the map-reduce job.

Usage

From source file:org.sf.xrime.algorithms.HITS.DeliveryStep.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    try {/*  ww  w.  j a  v a2 s .  c o  m*/
        context.setParameter(continueFileKey, continueFlagFile());

        jobConf = new JobConf(context, DeliveryStep.class);
        jobConf.setJobName("Delivery");

        FileInputFormat.setInputPaths(jobConf, context.getSource().getPath());

        jobConf.setInputFormat(SequenceFileInputFormat.class);
        jobConf.setMapperClass(DeliveryMapper.class);
        jobConf.setNumMapTasks(getMapperNum());
        jobConf.setMapOutputValueClass(ObjectWritable.class);

        jobConf.setReducerClass(DeliveryReducer.class);
        jobConf.setNumReduceTasks(getReducerNum());

        jobConf.setOutputKeyClass(Text.class);
        jobConf.setOutputValueClass(LabeledAdjBiSetVertex.class);

        FileOutputFormat.setOutputPath(jobConf, context.getDestination().getPath());
        jobConf.setOutputFormat(SequenceFileOutputFormat.class);

        this.runningJob = JobClient.runJob(jobConf);

        if (client == null) {
            client = FileSystem.get(jobConf);
        }

        if (client.exists(new Path(continueFlagFile()))) {
            end = false;
            client.delete(new Path(continueFlagFile()), true);
        } else {
            end = true;
        }
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
}

From source file:org.sf.xrime.algorithms.HITS.NormalizeStep.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    try {//  www  .  j  av a  2 s.  c o m
        context.setParameter(continueFileKey, continueFlagFile());

        // HITSSummer summer
        // summer.getHubSum();
        context.setParameter(HITSSummer.hubCounterKey, Double.toString(summer.getHubSum()));
        context.setParameter(HITSSummer.authorityCounterKey, Double.toString(summer.getAuthoritySum()));
        // prop.setProperty(HITSSummer.hubCounterKey,
        // Double.toString(VertexEdgeDoubleCounter.hubsummer));
        // prop.setProperty(HITSSummer.authorityCounterKey,
        // Double.toString(VertexEdgeDoubleCounter.authoritysummer));

        jobConf = new JobConf(conf, NormalizeStep.class);
        jobConf.setJobName("Normalize");

        FileInputFormat.setInputPaths(jobConf, context.getSource().getPath());

        jobConf.setInputFormat(SequenceFileInputFormat.class);
        jobConf.setMapperClass(NormalizeMapper.class);
        jobConf.setNumMapTasks(getMapperNum());
        jobConf.setMapOutputValueClass(LabeledAdjBiSetVertex.class);

        // jobConf.setReducerClass(NormalizeReducer.class);
        // jobConf.setNumReduceTasks(getReducerNum());

        jobConf.setOutputKeyClass(Text.class);
        jobConf.setOutputValueClass(LabeledAdjBiSetVertex.class);

        FileOutputFormat.setOutputPath(jobConf, context.getDestination().getPath());
        jobConf.setOutputFormat(SequenceFileOutputFormat.class);

        this.runningJob = JobClient.runJob(jobConf);

        if (client == null) {
            client = FileSystem.get(jobConf);
        }

        if (client.exists(new Path(continueFlagFile()))) {
            end = false;
            client.delete(new Path(continueFlagFile()), true);
        } else {
            end = true;
        }
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
}

From source file:org.sf.xrime.algorithms.kcore.undirected.ElementRemoval.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    // Use the graph algorithm context to create a job configuration object.
    JobConf conf = new JobConf(context, ElementRemoval.class);
    conf.setJobName("ElementRemoval");

    // the keys are vertex identifiers (strings)
    conf.setOutputKeyClass(Text.class);
    // the values are vertexes (Writable)
    conf.setOutputValueClass(AdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // Combiner is permitted! But we don't use for now.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {//from  www .  j  a  v a 2  s.  c o m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.circular.CoordinatesCalculation.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, CoordinatesCalculation.class);
    conf.setJobName("CoordinatesCalculation");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner or reducer is needed.
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {/*from  www.j  a v  a 2s . c om*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    // Only one mapper is permitted.
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(0);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.circular.SequentialNumAssign.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, SequentialNumAssign.class);
    conf.setJobName("SequentialNumAssign");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner or reducer is needed.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {/* w ww .j  a va  2  s  .co m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    // The numbers here do not matter.
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.ellipse.CoordinatesCalculation.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, CoordinatesCalculation.class);
    conf.setJobName("CoordinatesCalculation");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner or reducer is needed.
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {/*from  www . ja v  a  2  s  .c  o  m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }

    // Only one mapper is permitted.
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(0);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.gfr.AttractiveForceDisp.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, AttractiveForceDisp.class);
    conf.setJobName("AttractiveForceDisp");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);/*  ww  w . j  av  a2  s.  c  o m*/
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.gfr.CoordinatesAdjust.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, CoordinatesAdjust.class);
    conf.setJobName("CoordinatesAdjust");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner or reducer is needed..
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {/*  w  w w  .jav a  2  s . co m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(0);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.gfr.DisplacementSummarize.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, DisplacementSummarize.class);
    conf.setJobName("DisplacementSummarize");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);/*  w  w w.j av a 2 s  .co m*/
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

From source file:org.sf.xrime.algorithms.layout.gfr.RandomInitialLayoutGenerate.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, RandomInitialLayoutGenerate.class);
    conf.setJobName("RandomInitialLayoutGenerate");

    // the keys are vertex identifiers (strings)
    conf.setOutputKeyClass(Text.class);
    // the values are vertexes (Writable)
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner or reducer is needed.
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {//from  w ww  .j  av a2s .  co  m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    // Make sure the random numbers are good.
    conf.setNumMapTasks(1);
    conf.setNumReduceTasks(0);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}