Example usage for org.apache.hadoop.io WritableUtils readStringArray

Introduction

In this page you can find the example usage for org.apache.hadoop.io WritableUtils readStringArray.

Prototype

public static String[] readStringArray(DataInput in) throws IOException 

Source Link

Usage

From source file:org.apache.mahout.classifier.KnnMR.data.Dataset.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    int nbAttributes = in.readInt();
    attributes = new Attribute[nbAttributes];
    for (int attr = 0; attr < nbAttributes; attr++) {
        String name = WritableUtils.readString(in);
        attributes[attr] = Attribute.valueOf(name);
    }/*  w  w  w . j  a  v a2  s .  c  om*/

    ignored = Chi_RWUtils.readIntArray(in);

    // only CATEGORICAL attributes have values
    values = new String[nbAttributes][];
    for (int attr = 0; attr < nbAttributes; attr++) {
        if (attributes[attr].isCategorical()) {
            values[attr] = WritableUtils.readStringArray(in);
        }
    }

    labelId = in.readInt();
    nbInstances = in.readInt();
}

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From source file:org.apache.mahout.df.data.Dataset.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    int nbAttributes = in.readInt();
    attributes = new Attribute[nbAttributes];
    for (int attr = 0; attr < nbAttributes; attr++) {
        String name = WritableUtils.readString(in);
        attributes[attr] = Attribute.valueOf(name);
    }/*  w w w  .  ja v a2  s . c o  m*/

    labels = WritableUtils.readStringArray(in);

    ignored = DFUtils.readIntArray(in);

    // only CATEGORICAL attributes have values
    values = new String[nbAttributes][];
    for (int attr = 0; attr < nbAttributes; attr++) {
        if (attributes[attr].isCategorical()) {
            values[attr] = WritableUtils.readStringArray(in);
        }
    }

    labelId = in.readInt();
    nbInstances = in.readInt();
}

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From source file:org.apache.nutch.parse.ParseStatus.java

License:Apache License

public void readFields(DataInput in) throws IOException {
    byte version = in.readByte();
    switch (version) {
    case 1://from   ww  w .j a v a2 s  . co m
        majorCode = in.readByte();
        minorCode = in.readShort();
        args = WritableUtils.readCompressedStringArray(in);
        break;
    case 2:
        majorCode = in.readByte();
        minorCode = in.readShort();
        args = WritableUtils.readStringArray(in);
        break;
    default:
        throw new VersionMismatchException(VERSION, version);
    }
}

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