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

Introduction

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

Prototype

public static <T extends Enum<T>> T readEnum(DataInput in, Class<T> enumType) throws IOException 

Source Link

Document

Read an Enum value from DataInput, Enums are read and written using String values.

Usage

From source file:org.apache.hama.bsp.TaskCompletionEvent.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    taskId.readFields(in);//from   w w w .j av  a  2  s .c  om
    idWithinJob = WritableUtils.readVInt(in);
    status = WritableUtils.readEnum(in, Status.class);
    groomServerInfo = WritableUtils.readString(in);
    taskRunTime = WritableUtils.readVInt(in);
    eventId = WritableUtils.readVInt(in);
}

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From source file:org.apache.hama.bsp.TaskStatus.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    this.jobId.readFields(in);
    this.taskId.readFields(in);
    this.progress = in.readFloat();
    this.runState = WritableUtils.readEnum(in, State.class);
    this.stateString = Text.readString(in);
    this.phase = WritableUtils.readEnum(in, Phase.class);
    this.startTime = in.readLong();
    this.finishTime = in.readLong();

    counters = new Counters();
    this.counters.readFields(in);
}

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From source file:org.apache.hama.ml.ann.AbstractLayeredNeuralNetwork.java

License:Apache License

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    // read regularization weight
    this.regularizationWeight = input.readDouble();
    // read momentum weight
    this.momentumWeight = input.readDouble();

    // read cost function
    this.costFunction = FunctionFactory.createDoubleDoubleFunction(WritableUtils.readString(input));

    // read layer size list
    int numLayers = input.readInt();
    this.layerSizeList = Lists.newArrayList();
    for (int i = 0; i < numLayers; ++i) {
        this.layerSizeList.add(input.readInt());
    }//w  ww.j  av a2 s. com

    this.trainingMethod = WritableUtils.readEnum(input, TrainingMethod.class);
    this.learningStyle = WritableUtils.readEnum(input, LearningStyle.class);
}

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From source file:org.apache.horn.core.AbstractLayeredNeuralNetwork.java

License:Apache License

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    // read regularization weight
    this.regularizationWeight = input.readFloat();
    // read momentum weight
    this.momentumWeight = input.readFloat();

    // read cost function
    this.costFunction = FunctionFactory.createFloatFloatFunction(WritableUtils.readString(input));

    // read layer size list
    int numLayers = input.readInt();
    this.layerSizeList = Lists.newArrayList();
    for (int i = 0; i < numLayers; ++i) {
        this.layerSizeList.add(input.readInt());
    }//from   w w  w.j  av  a2  s  .c  o  m

    this.trainingMethod = WritableUtils.readEnum(input, TrainingMethod.class);
    this.learningStyle = WritableUtils.readEnum(input, LearningStyle.class);
}

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From source file:org.apache.mahout.classifier.mlp.NeuralNetwork.java

License:Apache License

/**
 * Read the fields of the model from input.
 * /*w  w w.ja v a 2  s.  com*/
 * @param input The input instance.
 * @throws IOException
 */
public void readFields(DataInput input) throws IOException {
    // Read model type
    modelType = WritableUtils.readString(input);
    if (!modelType.equals(this.getClass().getSimpleName())) {
        throw new IllegalArgumentException(
                "The specified location does not contains the valid NeuralNetwork model.");
    }
    // Read learning rate
    learningRate = input.readDouble();
    // Read model path
    modelPath = WritableUtils.readString(input);
    if (modelPath.equals("null")) {
        modelPath = null;
    }

    // Read regularization weight
    regularizationWeight = input.readDouble();
    // Read momentum weight
    momentumWeight = input.readDouble();

    // Read cost function
    costFunctionName = WritableUtils.readString(input);

    // Read layer size list
    int numLayers = input.readInt();
    layerSizeList = Lists.newArrayList();
    for (int i = 0; i < numLayers; i++) {
        layerSizeList.add(input.readInt());
    }

    trainingMethod = WritableUtils.readEnum(input, TrainingMethod.class);

    // Read squash functions
    int squashingFunctionSize = input.readInt();
    squashingFunctionList = Lists.newArrayList();
    for (int i = 0; i < squashingFunctionSize; i++) {
        squashingFunctionList.add(WritableUtils.readString(input));
    }

    // Read weights and construct matrices of previous updates
    int numOfMatrices = input.readInt();
    weightMatrixList = Lists.newArrayList();
    prevWeightUpdatesList = Lists.newArrayList();
    for (int i = 0; i < numOfMatrices; i++) {
        Matrix matrix = MatrixWritable.readMatrix(input);
        weightMatrixList.add(matrix);
        prevWeightUpdatesList.add(new DenseMatrix(matrix.rowSize(), matrix.columnSize()));
    }
}

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From source file:org.apache.phoenix.expression.function.ToCharFunction.java

License:Apache License

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    formatString = WritableUtils.readString(input);
    type = WritableUtils.readEnum(input, FunctionArgumentType.class);
    formatter = type.getFormatter(formatString);
}

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From source file:org.apache.phoenix.expression.function.ToNumberFunction.java

License:Apache License

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    formatString = WritableUtils.readString(input);
    type = WritableUtils.readEnum(input, FunctionArgumentType.class);
    if (formatString != null) {
        format = type.getFormatter(formatString);
    }//from  w w w .  j  a v  a  2  s .  c o  m
}

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From source file:org.apache.phoenix.expression.SingleCellConstructorExpression.java

License:Apache License

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    this.immutableStorageScheme = WritableUtils.readEnum(input, ImmutableStorageScheme.class);
}

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From source file:org.apache.rya.reasoning.Derivation.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    sources.clear();// ww w.  j  ava2 s . c  om
    sourceNodes.clear();
    rule = WritableUtils.readEnum(in, OwlRule.class);
    if (rule == OwlRule.NONE) {
        iteration = 0;
        node = EMPTY_NODE;
    } else {
        iteration = in.readInt();
        node.readFields(in);
        if (node.get() != null) {
            sourceNodes.add(node.get());
        }
        int numPredecessors = in.readInt();
        for (int i = 0; i < numPredecessors; i++) {
            Fact fact = new Fact();
            fact.readFields(in);
            addSource(fact);
        }
    }
}

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From source file:org.apache.tez.engine.records.TezDependentTaskCompletionEvent.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    taskAttemptId.readFields(in);// www  . j  a v  a 2  s.c o m
    //    isMap = in.readBoolean();
    status = WritableUtils.readEnum(in, Status.class);
    taskTrackerHttp = WritableUtils.readString(in);
    taskRunTime = WritableUtils.readVInt(in);
    eventId = WritableUtils.readVInt(in);

}

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