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.accumulo.core.security.AuthenticationTokenIdentifier.java

@Override
public void write(DataOutput out) throws IOException {
    if (null != impl) {
        ThriftMessageUtil msgUtil = new ThriftMessageUtil();
        ByteBuffer serialized = msgUtil.serialize(impl);
        out.writeInt(serialized.limit());
        out.write(serialized.array(), serialized.arrayOffset(), serialized.limit());
    } else {//from  w w  w . jav a 2 s  .c o  m
        out.writeInt(0);
    }
}

From source file:org.apache.mahout.df.data.Dataset.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeInt(attributes.length); // nb attributes
    for (Attribute attr : attributes) {
        WritableUtils.writeString(out, attr.name());
    }// w  ww.  j a v  a2  s .  co m

    WritableUtils.writeStringArray(out, labels);

    DFUtils.writeArray(out, ignored);

    // only CATEGORICAL attributes have values
    for (String[] vals : values) {
        if (vals != null) {
            WritableUtils.writeStringArray(out, vals);
        }
    }

    out.writeInt(labelId);
    out.writeInt(nbInstances);
}

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

@Override
public void write(DataOutput out) throws IOException {
    if (null != impl) {
        ThriftMessageUtil msgUtil = new ThriftMessageUtil();
        ByteBuffer serialized = msgUtil.serialize(impl);
        out.writeInt(serialized.limit());
        ByteBufferUtil.write(out, serialized);
    } else {/*from w ww .  j  a  v a  2  s.  c o m*/
        out.writeInt(0);
    }
}

From source file:org.apache.accumulo.core.clientImpl.AuthenticationTokenIdentifier.java

@Override
public void write(DataOutput out) throws IOException {
    if (impl != null) {
        ThriftMessageUtil msgUtil = new ThriftMessageUtil();
        ByteBuffer serialized = msgUtil.serialize(impl);
        out.writeInt(serialized.limit());
        ByteBufferUtil.write(out, serialized);
    } else {//  w w  w  .  j  av  a2 s .c om
        out.writeInt(0);
    }
}

From source file:parquet.hadoop.ParquetInputSplit.java

private void writeKeyValues(DataOutput out, Map<String, String> map) throws IOException {
    if (map == null) {
        out.writeInt(0);
    } else {//from   ww  w . j a  va 2  s. co m
        out.writeInt(map.size());
        for (Entry<String, String> entry : map.entrySet()) {
            out.writeUTF(entry.getKey());
            out.writeUTF(entry.getValue());
        }
    }
}

From source file:org.apache.hadoop.hbase.regionserver.wal.WALEdit.java

public void write(DataOutput out) throws IOException {
    LOG.warn("WALEdit is being serialized to writable - only expected in test code");
    out.writeInt(VERSION_2);
    out.writeInt(kvs.size());//from  w  w  w. j  av  a2s  . c  o m
    // We interleave the two lists for code simplicity
    for (KeyValue kv : kvs) {
        if (compressionContext != null) {
            KeyValueCompression.writeKV(out, kv, compressionContext);
        } else {
            KeyValue.write(kv, out);
        }
    }
    if (scopes == null) {
        out.writeInt(0);
    } else {
        out.writeInt(scopes.size());
        for (byte[] key : scopes.keySet()) {
            Bytes.writeByteArray(out, key);
            out.writeInt(scopes.get(key));
        }
    }
}

From source file:org.apache.mahout.classifier.KnnMR.data.Dataset.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeInt(attributes.length); // nb attributes
    for (Attribute attr : attributes) {
        WritableUtils.writeString(out, attr.name());
    }//  w w w  .j av a 2 s . c om

    Chi_RWUtils.writeArray(out, ignored);

    // only CATEGORICAL attributes have values
    for (String[] vals : values) {
        if (vals != null) {
            WritableUtils.writeStringArray(out, vals);
        }
    }

    out.writeInt(labelId);
    out.writeInt(nbInstances);
}

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

/**
 * @param Data Output Stream/*ww  w .  j  a  va 2 s  . c  o m*/
 * @throws IOException
 */
public void write(DataOutput out) throws IOException {
    Bytes.writeByteArray(out, this.name);
    out.writeInt(this.indexColumns.size());
    for (ColumnQualifier cq : this.indexColumns) {
        cq.write(out);
    }
    out.writeInt(maxVersions);
    out.writeLong(ttl);
}

From source file:org.apache.hadoop.hdfs.protocol.PolicyInfo.java

public void write(DataOutput out) throws IOException {
    Text.writeString(out, srcPath.toString());
    Text.writeString(out, description);
    out.writeInt(properties.size());
    for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements();) {
        String name = (String) e.nextElement();
        Text.writeString(out, name);
        Text.writeString(out, properties.getProperty(name));
    }//w  w  w.ja  va  2s.  c om
    out.writeInt(destPath.size());
    for (PathInfo p : destPath) {
        Text.writeString(out, p.rpath.toString());
        out.writeInt(p.myproperties.size());
        for (Enumeration<?> e = p.myproperties.propertyNames(); e.hasMoreElements();) {
            String name = (String) e.nextElement();
            Text.writeString(out, name);
            Text.writeString(out, p.myproperties.getProperty(name));
        }
    }
}

From source file:hip.ch3.seqfile.writable.StockPriceWritable.java

@Override
public void write(DataOutput out) throws IOException {
    WritableUtils.writeString(out, symbol);
    WritableUtils.writeString(out, date);
    out.writeDouble(open);//from w  ww  .j  a v a2 s  . c  o m
    out.writeDouble(high);
    out.writeDouble(low);
    out.writeDouble(close);
    out.writeInt(volume);
    out.writeDouble(adjClose);

}