Example usage for java.io DataOutput writeInt

Introduction

In this page you can find the example usage for java.io DataOutput writeInt.

Prototype

void writeInt(int v) throws IOException;

Source Link

Document

Writes an int value, which is comprised of four bytes, to the output stream.

Usage

From source file:org.apache.mahout.classifier.df.node.CategoricalNode.java

@Override
protected void writeNode(DataOutput out) throws IOException {
    out.writeInt(attr);
    DFUtils.writeArray(out, values);// ww  w.j  a  v a2  s  .co  m
    DFUtils.writeArray(out, childs);
}

From source file:com.chinamobile.bcbsp.examples.semicluster.SemiClusterMessage.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeInt(messageId);
    value.write(out);
}

From source file:com.zimbra.common.util.ByteUtil.java

public static void writeUTF8(DataOutput out, String str) throws IOException {
    // Special case: Null string is serialized as length of -1.
    if (str == null) {
        out.writeInt(-1);
        return;/*w  w  w  .  j  a  v a 2 s. c o m*/
    }

    int len = str.length();
    if (len > MAX_STRING_LEN)
        throw new IOException(
                "String length " + len + " is too long in ByteUtil.writeUTF8(); max=" + MAX_STRING_LEN);
    if (len > 0) {
        byte[] buf = str.getBytes("UTF-8");
        out.writeInt(buf.length);
        out.write(buf);
    } else {
        out.writeInt(0);
    }
}

From source file:org.mrgeo.tile.TileIdZoomWritable.java

@Override
public void write(final DataOutput out) throws IOException {
    super.write(out);
    out.writeInt(zoom);
}

From source file:com.vmware.demo.sgf.tests.domain.Person.java

@Override
public void toData(DataOutput out) throws IOException {
    out.writeInt(Id);
    out.writeUTF(firstname);//www.java 2  s.c om
    out.writeUTF(surname);
    out.writeUTF(zipcode);
    DataSerializer.writeDate(dateofBirth, out);
}

From source file:com.chinamobile.bcbsp.examples.bytearray.pagerank.PRVertexLiteNew.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeInt(this.vertexID);
    out.writeFloat(this.vertexValue);
}

From source file:org.apache.hadoop.hdfs.server.datanode.BlockCrcInfoWritable.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeLong(blockId);/* w ww.  j  a  va2  s. c  o  m*/
    out.writeLong(blockGenStamp);
    out.writeInt(blockCrc);
}

From source file:org.cloudata.core.common.io.CObjectWritable.java

private static void writeColumnValue(DataOutput out, Object instance, Class declaredClass, CloudataConf conf,
        int length) throws IOException {
    int shortByteSize = CWritableUtils.getShortByteSize();
    int intByteSize = CWritableUtils.getIntByteSize();

    int totalByteSize = 0;

    long startTime = System.currentTimeMillis();
    for (int i = 0; i < length; i++) {
        ColumnValue columnValue = (ColumnValue) Array.get(instance, i);
        totalByteSize += shortByteSize;//from w w  w  . ja v  a 2  s. c o  m
        totalByteSize += columnValue.size();
    }
    //    long endTime = System.currentTimeMillis();
    //LOG.fatal("writeColumnValue1:length=" + length + ",bytes=" + totalByteSize + ",time=" + (endTime - startTime));

    out.writeInt(totalByteSize);

    //    startTime = System.currentTimeMillis();
    for (int i = 0; i < length; i++) {
        writeObject(out, Array.get(instance, i), declaredClass.getComponentType(), conf, true);
    }
    long endTime = System.currentTimeMillis();
    //LOG.fatal("writeColumnValue2:time=" + (endTime - startTime));
}

From source file:com.chinamobile.bcbsp.examples.connectedcomponent.CCVertexLiteNew.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeInt(this.vertexID);
    out.writeInt(this.vertexValue);
}

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

/**
 * Serializes this array./*from   ww w  . j a va2  s.c o  m*/
 *
 * @param out where to write the raw byte representation
 */
public void write(DataOutput out) throws IOException {
    out.writeInt(this.size());
    //      logger.info("write " + this.size() + " elements");
    if (size() == 0)
        return;
    E obj = get(0);

    out.writeUTF(obj.getClass().getCanonicalName());

    //      for (int i = 0; i < size(); i++) {
    //         obj = get(i);
    //         if (obj == null) {
    //            throw new IOException("Cannot serialize null fields!");
    //         }
    //         obj.write(out);
    //      }
}