Example usage for org.apache.hadoop.io Text readString

Introduction

In this page you can find the example usage for org.apache.hadoop.io Text readString.

Prototype

public static String readString(DataInput in) throws IOException

Source Link

Document

Read a UTF8 encoded string from in

Usage

From source file:org.apache.taverna.platform.execution.impl.hadoop.CrossProductInputSplit.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    workingDirectory = new Path(Text.readString(in));
    int length = in.readInt();
    for (int i = 0; i < length; i++) {
        inputPortDirectories.add(new Path(Text.readString(in)));
    }/*from   ww w. j a  v a2s.com*/
}

From source file:org.apache.tez.common.ContainerContext.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    this.containerIdentifier = Text.readString(in);
}

From source file:org.apache.tez.common.counters.AbstractCounterGroup.java

License:Apache License

@Override
public synchronized void readFields(DataInput in) throws IOException {
    displayName = Text.readString(in);
    counters.clear();/*from  ww  w .ja  v  a  2  s  .  c om*/
    int size = WritableUtils.readVInt(in);
    for (int i = 0; i < size; i++) {
        T counter = newCounter();
        counter.readFields(in);
        counters.put(counter.getName(), counter);
        limits.incrCounters();
    }
}

From source file:org.apache.tez.common.counters.AbstractCounters.java

License:Apache License

@Override
public synchronized void readFields(DataInput in) throws IOException {
    int version = WritableUtils.readVInt(in);
    if (version != groupFactory.version()) {
        throw new IOException(
                "Counters version mismatch, expected " + groupFactory.version() + " got " + version);
    }// w  w  w.jav  a  2s .  c  om
    int numFGroups = WritableUtils.readVInt(in);
    fgroups.clear();
    GroupType[] groupTypes = GroupType.values();
    while (numFGroups-- > 0) {
        GroupType groupType = groupTypes[WritableUtils.readVInt(in)];
        G group;
        switch (groupType) {
        case FILESYSTEM: // with nothing
            group = groupFactory.newFileSystemGroup();
            break;
        case FRAMEWORK: // with group id
            group = groupFactory.newFrameworkGroup(WritableUtils.readVInt(in));
            break;
        default: // Silence dumb compiler, as it would've thrown earlier
            throw new IOException("Unexpected counter group type: " + groupType);
        }
        group.readFields(in);
        fgroups.put(group.getName(), group);
    }
    int numGroups = WritableUtils.readVInt(in);
    while (numGroups-- > 0) {
        limits.checkGroups(groups.size() + 1);
        G group = groupFactory.newGenericGroup(Text.readString(in), null, limits);
        group.readFields(in);
        groups.put(group.getName(), group);
    }
}

From source file:org.apache.tez.common.counters.GenericCounter.java

License:Apache License

@Override
public synchronized void readFields(DataInput in) throws IOException {
    name = Text.readString(in);
    displayName = in.readBoolean() ? Text.readString(in) : name;
    value = WritableUtils.readVLong(in);
}

From source file:org.apache.tez.common.InputSpec.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    vertexName = Text.readString(in);
    this.inDegree = in.readInt();
    inputClassName = Text.readString(in);
}

From source file:org.apache.tez.common.OutputSpec.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    vertexName = Text.readString(in);
    this.outDegree = in.readInt();
    outputClassName = Text.readString(in);
}

From source file:org.apache.tez.common.TezTaskContext.java

License:Apache License

public void readFields(DataInput in) throws IOException {
    taskAttemptId = TezTaskAttemptID.read(in);
    user = Text.readString(in);
    jobName = Text.readString(in);
    vertexName = Text.readString(in);
}

From source file:org.apache.tez.dag.api.EntityDescriptor.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    this.className = Text.readString(in);
    int payloadLength = in.readInt();
    if (payloadLength != -1) {
        byte[] bb = new byte[payloadLength];
        in.readFully(bb);/* w  ww.  j a  v a 2  s .  c  om*/
        int version = in.readInt();
        this.userPayload = DagTypeConverters.convertToTezUserPayload(ByteBuffer.wrap(bb), version);
    }
}

From source file:org.apache.tez.dag.api.TezEntityDescriptor.java

License:Apache License

@Override
public void readFields(DataInput in) throws IOException {
    this.className = Text.readString(in);
    int payloadLength = in.readInt();
    if (payloadLength != -1) {
        userPayload = new byte[payloadLength];
        in.readFully(userPayload);/*w ww.j  a  v a  2  s .  co  m*/
    }
}