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.DatabaseDocument.java

@Override
public void readFields(DataInput in) throws IOException {
    int ordinal = in.readInt();
    contentType = ContentType.valueOf(ordinal);
    int length = WritableUtils.readVInt(in);
    content = new byte[length];
    in.readFully(content, 0, length);/*from w  ww . j  a  v a  2s.c om*/
}

From source file:cn.ac.ict.htc.tools.ArrayListWritable.java

/**
 * Deserializes the array.//from   w w w . j a  v  a 2  s .c o m
 *
 * @param in source for raw byte representation
 */
@SuppressWarnings("unchecked")
public void readFields(DataInput in) throws IOException {
    this.clear();

    int numFields = in.readInt();
    if (numFields == 0)
        return;
    String className = in.readUTF();
    E obj;
    try {
        Class<E> c = (Class<E>) Class.forName(className);
        for (int i = 0; i < numFields; i++) {
            obj = (E) c.newInstance();
            obj.readFields(in);
            this.add(obj);
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.kylinolap.dict.lookup.SnapshotTable.java

void readData(DataInput in) throws IOException {
    int rowNum = in.readInt();
    rows = new ArrayList<String[]>(rowNum);
    if (rowNum > 0) {
        int n = in.readInt();
        for (int i = 0; i < rowNum; i++) {
            String[] row = new String[n];
            rows.add(row);//from  w  w  w.  j  av a 2  s .c o m
            for (int j = 0; j < n; j++) {
                row[j] = in.readUTF();
            }
        }
    }
}

From source file:org.kiji.schema.mapreduce.KijiIncrement.java

/** {@inheritDoc} */
@Override//from ww  w  .j av  a  2  s.c  o  m
public void readFields(DataInput in) throws IOException {
    // EntityId.
    final byte[] bytes = new byte[in.readInt()];
    in.readFully(bytes);
    mEntityId = new RawEntityId(bytes);

    // Family/Qualifier/Timestamp.
    mFamily = in.readUTF();
    mQualifier = in.readUTF();
    mAmount = in.readLong();
}

From source file:org.apache.hadoop.hbase.index.IndexedHTableDescriptor.java

/**
 * @param DataInput stream//from  w ww.  j  ava  2  s . c o  m
 * @throws IOException
 */
public void readFields(DataInput in) throws IOException {
    try {
        super.readFields(in);
        int indicesSize = in.readInt();
        indices.clear();
        for (int i = 0; i < indicesSize; i++) {
            IndexSpecification is = new IndexSpecification();
            is.readFields(in);
            this.indices.add(is);
        }
    } catch (EOFException e) {
        LOG.warn("Error reading feilds from the descriptor " + this.getNameAsString());
        throw e;
    }

}

From source file:org.apache.hadoop.hbase.filter.RowListFilter.java

@Override
public void readFields(DataInput din) throws IOException {
    int pos = din.readInt();
    int sz = din.readInt();
    this.bytesSet = new ArrayList<byte[]>(sz);
    for (int i = 0; i < sz; ++i) {
        short bsz = din.readShort();
        byte[] b = new byte[bsz];
        din.readFully(b);/* ww  w  .j  av  a 2s . c om*/
        bytesSet.add(b);
    }
    log.debug("Size of bytesSet is: " + bytesSet.size());
    this.bytesSetIterator = bytesSet.listIterator(pos);
    if (bytesSetIterator.hasNext()) {
        this.rowComparator = new BinaryComparator(bytesSetIterator.next());
    } else {
        this.hasMoreRows = false;
    }
}

From source file:org.apache.giraph.block_app.reducers.array.ArrayReduce.java

@Override
public void readFields(DataInput in) throws IOException {
    fixedSize = in.readInt();
    elementReduceOp = WritableUtils.readWritableObject(in, null);
    init();/*from  ww w  . j a v  a2  s.c  om*/
}

From source file:com.liveramp.cascading_ext.bloom.BloomFilter.java

@Override
public void readFields(DataInput in) throws IOException {
    numHashes = in.readInt();
    vectorSize = in.readLong();/*from  w  w  w . j a  v  a 2 s.c  o m*/
    numElems = in.readLong();
    byte[] bytes = new byte[FixedSizeBitSet.getNumBytesToStore(vectorSize)];
    in.readFully(bytes);
    bits = new FixedSizeBitSet(vectorSize, bytes);
    byte[] serializedHashFunction = new byte[in.readInt()];
    in.readFully(serializedHashFunction);
    hashFunction = (HashFunction) SerializationUtils.deserialize(serializedHashFunction);
}

From source file:org.apache.mahout.clustering.meanshift.MeanShiftCanopy.java

@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    int numpoints = in.readInt();
    this.boundPoints = new IntArrayList();
    for (int i = 0; i < numpoints; i++) {
        this.boundPoints.add(in.readInt());
    }//from ww  w. ja va2s  .  c  o  m
}

From source file:RandomFileTest.java

/**
   Reads employee data from a data input
   @param in the data input/* ww w.  j a v  a2 s  .c  o  m*/
*/
public void readData(DataInput in) throws IOException {
    name = DataIO.readFixedString(NAME_SIZE, in);
    salary = in.readDouble();
    int y = in.readInt();
    int m = in.readInt();
    int d = in.readInt();
    GregorianCalendar calendar = new GregorianCalendar(y, m - 1, d);
    hireDay = calendar.getTime();
}