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:com.netflix.aegisthus.input.AegSplit.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    end = in.readLong();/*from www. ja v  a2  s.c  o m*/
    hosts = WritableUtils.readStringArray(in);
    path = new Path(WritableUtils.readString(in));
    compressed = in.readBoolean();
    if (compressed) {
        compressedPath = new Path(WritableUtils.readString(in));
    }
    start = in.readLong();
    type = WritableUtils.readEnum(in, Type.class);
    int size = in.readInt();
    if (type == Type.sstable) {
        convertors = Maps.newHashMap();
        for (int i = 0; i < size; i++) {
            String[] parts = WritableUtils.readStringArray(in);
            try {
                convertors.put(parts[0], TypeParser.parse(parts[1]));
            } catch (ConfigurationException e) {
                throw new IOException(e);
            } catch (SyntaxException e) {
                throw new IOException(e);
            }
        }
    }
}

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From source file:in.dream_lab.goffish.ControlMessage.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    transmissionType = WritableUtils.readEnum(in, IControlMessage.TransmissionType.class);
    extraInfo = Lists.newArrayList();/*from   www  . j  ava 2s .c  om*/
    int extraInfoSize;
    extraInfoSize = in.readInt();
    while (extraInfoSize-- > 0) {
        BytesWritable info = new BytesWritable();
        info.readFields(in);
        extraInfo.add(info);
    }
    if (isPartitionMessage()) {
        partitionID = in.readInt();
    } else if (isVertexMessage()) {
        vertexValues.readFields(in);
    }
}

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From source file:in.dream_lab.goffish.hama.ControlMessage.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    transmissionType = WritableUtils.readEnum(in, IControlMessage.TransmissionType.class);
    extraInfo = Lists.newArrayList();/*from w w w.  ja  v  a 2s . co m*/
    int extraInfoSize;
    extraInfoSize = in.readInt();
    while (extraInfoSize-- > 0) {
        BytesWritable info = new BytesWritable();
        info.readFields(in);
        extraInfo.add(info);
    }
    if (isPartitionMessage()) {
        sourcePartitionID = in.readInt();
    } else if (isVertexMessage()) {
        vertexValues.readFields(in);
    }
}

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From source file:in.dream_lab.goffish.hama.Message.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    control = new ControlMessage();
    control.readFields(in);/*  ww w.j  a  va2s . c  om*/
    messageType = WritableUtils.readEnum(in, IMessage.MessageType.class);
    hasSubgraphID = in.readBoolean();
    if (hasSubgraphID) {
        // TODO : Use reflection utils and instantiate
        // this.subgraphID = ReflectionUtils.newInstance(K.class);
        this.subgraphID = (K) new LongWritable();
        subgraphID.readFields(in);
    }
    hasMessage = in.readBoolean();
    if (hasMessage) {
        this.message = (M) ReflectionUtils.newInstance(GraphJobRunner.GRAPH_MESSAGE_CLASS);

        message.readFields(in);
    }
}

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From source file:in.dream_lab.goffish.Message.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    control = new ControlMessage();
    control.readFields(in);/*from w  w w  .j  a  v a  2 s  .c  o m*/
    messageType = WritableUtils.readEnum(in, IMessage.MessageType.class);
    hasSubgraphID = in.readBoolean();
    if (hasSubgraphID) {
        //TODO : Use reflection utils and instantiate
        //this.subgraphID = ReflectionUtils.newInstance(K.class);
        this.subgraphID = (K) new LongWritable();
        subgraphID.readFields(in);
    }
    hasMessage = in.readBoolean();
    if (hasMessage) {
        this.message = (M) ReflectionUtils.newInstance(GraphJobRunner.GRAPH_MESSAGE_CLASS);

        message.readFields(in);
    }
}

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From source file:org.apache.gora.filter.MapFieldValueFilter.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    fieldName = Text.readString(in);
    mapKey = new Utf8(Text.readString(in));
    filterOp = WritableUtils.readEnum(in, FilterOp.class);
    operands.clear();/*from  w  ww .jav a 2s  . c  o m*/
    int operandsSize = WritableUtils.readVInt(in);
    for (int i = 0; i < operandsSize; i++) {
        Object operand = ObjectWritable.readObject(in, conf);
        if (operand instanceof String) {
            operand = new Utf8((String) operand);
        }
        operands.add(operand);
    }
    filterIfMissing = in.readBoolean();
}

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From source file:org.apache.gora.filter.SingleFieldValueFilter.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    fieldName = Text.readString(in);
    filterOp = WritableUtils.readEnum(in, FilterOp.class);
    operands.clear();// w  w  w .  j  a va  2  s.  c  o m
    int operandsSize = WritableUtils.readVInt(in);
    for (int i = 0; i < operandsSize; i++) {
        Object operand = ObjectWritable.readObject(in, conf);
        if (operand instanceof String) {
            operand = new Utf8((String) operand);
        }
        operands.add(operand);
    }
    filterIfMissing = in.readBoolean();
}

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

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    numActiveGrooms = in.readInt();//from w  w w .j av  a2 s  .co m
    boolean groomListFollows = in.readBoolean();

    if (groomListFollows) {
        activeGrooms = new HashMap<String, GroomServerStatus>(numActiveGrooms);

        for (int i = 0; i < numActiveGrooms; i++) {
            final String groomName = in.readUTF();
            final GroomServerStatus status = new GroomServerStatus();
            status.readFields(in);
            activeGrooms.put(groomName, status);
        }
    }

    tasks = in.readInt();
    maxTasks = in.readInt();
    state = WritableUtils.readEnum(in, BSPMaster.State.class);
}

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

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    int length = WritableUtils.readVInt(in);
    if (length > 0) {
        this.actions = new GroomServerAction[length];
        for (int i = 0; i < length; ++i) {
            GroomServerAction.ActionType actionType = WritableUtils.readEnum(in,
                    GroomServerAction.ActionType.class);
            actions[i] = GroomServerAction.createAction(actionType);
            actions[i].readFields(in);/*  w  w  w.  ja va 2 s  . c o  m*/
        }
    } else {
        this.actions = null;
    }
}

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

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    actionType = WritableUtils.readEnum(in, ActionType.class);
}

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