Example usage for java.io DataInput readInt

Introduction

In this page you can find the example usage for java.io DataInput readInt.

Prototype

int readInt() throws IOException;

Source Link

Document

Reads four input bytes and returns an int value.

Usage

From source file:com.marklogic.mapreduce.MarkLogicNode.java

public void readFields(DataInput in) throws IOException {
    int type = in.readInt();
    DocumentBuilder docBuilder = builderLocal.get();
    String val = Text.readString(in);
    try {//  w w  w . j a va2  s. c  o m
        if (type == Node.ATTRIBUTE_NODE) {
            AttributeImpl attr = new AttributeImpl(Text.readString(in), Text.readString(in));
            node = attr.asW3cNode(docBuilder);
        } else {
            node = DomUtil.readXml(IOHelper.newStream(val));
        }
    } catch (SAXException e) {
        LOG.error("error parsing input", e);
        throw new IOException(e);
    } catch (ParserConfigurationException e) {
        LOG.error("error parsing input", e);
        throw new IOException(e);
    }
}

From source file:org.apache.geode.management.internal.configuration.messages.ConfigurationRequest.java

@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    this.isRequestForEntireConfiguration = in.readBoolean();
    int size = in.readInt();
    Set<String> groups = new HashSet<>();
    if (size > 0) {
        for (int i = 0; i < size; i++) {
            groups.add(in.readUTF());/* w w w. j  a  v a 2  s . co  m*/
        }
    }
    this.groups = groups;
    this.numAttempts = in.readInt();
}

From source file:org.mitre.la.mapred.io.DenseVectorWritable.java

/**
 * Deserialize the fields of this object from <code>in</code>.
 *
 * @param in <code>DataInput</code> to deseriablize this object from.
 * @throws IOException/* www .  j av a 2  s.c  o m*/
 */
@Override
public void readFields(DataInput in) throws IOException {
    in.readByte();
    String label = in.readUTF();
    int length = in.readInt();
    double[] v = new double[length];
    for (int i = 0; i < length; i++) {
        v[i] = in.readDouble();
    }
    this.dv = new DenseVector(label, v);
}

From source file:org.apache.accumulo.core.client.impl.AuthenticationTokenIdentifier.java

@Override
public void readFields(DataInput in) throws IOException {
    int length = in.readInt();
    if (length > 0) {
        ThriftMessageUtil msgUtil = new ThriftMessageUtil();
        byte[] serialized = new byte[length];
        in.readFully(serialized);/*  w w  w  .  j  a v  a 2  s  . co  m*/
        impl = new TAuthenticationTokenIdentifier();
        msgUtil.deserialize(serialized, impl);
    }
}

From source file:org.apache.crunch.io.FormatBundle.java

@Override
public void readFields(DataInput in) throws IOException {
    this.formatClass = readClass(in);
    int ecSize = in.readInt();
    this.extraConf = Maps.newHashMap();
    for (int i = 0; i < ecSize; i++) {
        String key = Text.readString(in);
        String value = Text.readString(in);
        extraConf.put(key, value);//w w w.  ja v a  2 s  . c  o m
    }
}

From source file:org.glukit.dexcom.sync.responses.ManufacturingDataDatabasePagesResponse.java

public List<ManufacturingParameters> getManufacturingParameters() {
    List<ManufacturingParameters> manufacturingParameters = newArrayList();
    try {//from   w  ww .  ja  va2  s .  c o m
        for (DatabasePage page : getPages()) {
            ByteArrayInputStream inputStream = new ByteArrayInputStream(page.getPageData());
            DataInput input = this.dataInputFactory.create(inputStream);
            // TODO: something better than ignoring the data?
            long systemSeconds = UnsignedInts.toLong(input.readInt());
            long displaySeconds = UnsignedInts.toLong(input.readInt());

            byte[] xmlBytes = new byte[inputStream.available() - 2];
            input.readFully(xmlBytes);

            validateCrc(input.readUnsignedShort(), page.getPageData());

            XmlMapper xmlMapper = new XmlMapper();
            ManufacturingParameters parameterPage = xmlMapper.readValue(new String(xmlBytes, "UTF-8"),
                    ManufacturingParameters.class);
            manufacturingParameters.add(parameterPage);
        }
        return manufacturingParameters;
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

From source file:edu.umn.cs.spatialHadoop.core.JTSShape.java

@Override
public void readFields(DataInput in) throws IOException {
    try {//from   w  ww .j  a v a  2  s  . co  m
        byte[] wkb = new byte[in.readInt()];
        in.readFully(wkb);
        geom = wkbReader.read(wkb);
    } catch (ParseException e) {
        e.printStackTrace();
        throw new IOException(e);
    }
}

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

public void readFields(DataInput in) throws IOException {
    this.timestamp = in.readLong();
    int t = in.readInt();
    if (Directive.Type.Request.value() == t) {
        this.type = Directive.Type.Request;
        int length = WritableUtils.readVInt(in);
        if (length > 0) {
            this.actionList = new ArrayList<GroomServerAction>();
            for (int i = 0; i < length; ++i) {
                GroomServerAction.ActionType actionType = WritableUtils.readEnum(in,
                        GroomServerAction.ActionType.class);
                GroomServerAction action = GroomServerAction.createAction(actionType);
                action.readFields(in);/* w  w  w  .j  av a 2  s  . c  o m*/
                actionList.add(action);
            }
        } else {
            this.actionList = null;
        }
        String[] groomServerNames = WritableUtils.readCompressedStringArray(in);
        String[] groomServerAddresses = WritableUtils.readCompressedStringArray(in);
        groomServerPeers = new HashMap<String, String>(groomServerNames.length);

        for (int i = 0; i < groomServerNames.length; i++) {
            groomServerPeers.put(groomServerNames[i], groomServerAddresses[i]);
        }
    } else if (Directive.Type.Response.value() == t) {
        this.type = Directive.Type.Response;
        this.status = new GroomServerStatus();
        this.status.readFields(in);
    } else {
        throw new IllegalStateException("Wrong directive type:" + t);
    }
}

From source file:edu.umn.cs.spatialHadoop.indexing.BTRPartitioner.java

@Override
public void readFields(DataInput in) throws IOException {
    mbr.readFields(in);/*  w ww .j  a va 2  s. c  om*/
    columns = in.readInt();
    rows = in.readInt();
    xSplits = new double[columns];
    ySplits = new double[columns * rows];

    int bufferLength = (xSplits.length + ySplits.length) * 8;
    byte[] buffer = new byte[bufferLength];
    in.readFully(buffer);
    ByteBuffer bbuffer = ByteBuffer.wrap(buffer);
    for (int i = 0; i < xSplits.length; i++)
        xSplits[i] = bbuffer.getDouble();
    for (int i = 0; i < ySplits.length; i++)
        ySplits[i] = bbuffer.getDouble();
    if (bbuffer.hasRemaining())
        throw new RuntimeException("Error reading STR partitioner");
}

From source file:org.cloudata.core.tabletserver.CommitLog.java

public void readFields(DataInput in) throws IOException {
    operation = in.readInt();
    rowKey.readFields(in);//from w  w  w .j ava  2s .  c o m
    columnName = CWritableUtils.readString(in);

    columnKey.readFields(in);
    timestamp = in.readLong();
    int length = in.readInt();

    if (length > MAX_VALUE_SIZE) {
        LOG.error("number of bytes in commitlog exceeds CommitLog.MAX_VALUE_SIZE[" + MAX_VALUE_SIZE + "]");
        throw new IOException("data size is too long.[" + length + "]");
    }

    if (length >= 0) {
        value = new byte[length];
        in.readFully(value);
    }
}