Example usage for java.io DataOutput write

Introduction

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

Prototype

void write(byte b[], int off, int len) throws IOException;

Source Link

Document

Writes len bytes from array b, in order, to the output stream.

Usage

From source file:org.apache.cassandra.db.compaction.LazilyCompactedRow.java

public void write(DataOutput out) throws IOException {
    DataOutputBuffer clockOut = new DataOutputBuffer();
    ColumnFamily.serializer().serializeCFInfo(emptyColumnFamily, clockOut);

    long dataSize = headerBuffer.getLength() + clockOut.getLength() + columnSerializedSize;
    if (logger.isDebugEnabled())
        logger.debug(String.format("header / clock / column sizes are %s / %s / %s", headerBuffer.getLength(),
                clockOut.getLength(), columnSerializedSize));
    assert dataSize > 0;
    out.writeLong(dataSize);//from   w  ww.j  a v a2  s . co m
    out.write(headerBuffer.getData(), 0, headerBuffer.getLength());
    out.write(clockOut.getData(), 0, clockOut.getLength());
    out.writeInt(columnCount);

    Iterator<IColumn> iter = iterator();
    while (iter.hasNext()) {
        IColumn column = iter.next();
        emptyColumnFamily.getColumnSerializer().serialize(column, out);
    }
    long secondPassColumnSize = reducer == null ? 0 : reducer.serializedSize;
    assert secondPassColumnSize == columnSerializedSize : "originally calculated column size of "
            + columnSerializedSize + " but now it is " + secondPassColumnSize;
}

---

From source file:org.apache.cassandra.io.LazilyCompactedRow.java

public void write(DataOutput out) throws IOException {
    if (rows.size() == 1 && !shouldPurge && !controller.needDeserialize()) {
        SSTableIdentityIterator row = rows.get(0);
        assert row.dataSize > 0;
        out.writeLong(row.dataSize);/*from  w w  w  .  j  a  v  a 2s. c om*/
        row.echoData(out);
        return;
    }

    DataOutputBuffer clockOut = new DataOutputBuffer();
    ColumnFamily.serializer().serializeCFInfo(emptyColumnFamily, clockOut);

    long dataSize = headerBuffer.getLength() + clockOut.getLength() + columnSerializedSize;
    assert dataSize > 0;
    out.writeLong(dataSize);
    out.write(headerBuffer.getData(), 0, headerBuffer.getLength());
    out.write(clockOut.getData(), 0, clockOut.getLength());
    out.writeInt(columnCount);

    Iterator<IColumn> iter = iterator();
    while (iter.hasNext()) {
        IColumn column = iter.next();
        emptyColumnFamily.getColumnSerializer().serialize(column, out);
    }
}

---

From source file:org.apache.crunch.types.writable.TupleWritable.java

/**
 * Writes each Writable to <code>out</code>.
 *///from   ww  w  .  j a v  a2s  .c  om
public void write(DataOutput out) throws IOException {
    DataOutputBuffer tmp = new DataOutputBuffer();
    WritableUtils.writeVInt(out, values.length);
    for (int i = 0; i < values.length; ++i) {
        WritableUtils.writeVInt(out, written[i]);
        if (written[i] != 0) {
            tmp.reset();
            values[i].write(tmp);
            WritableUtils.writeVInt(out, tmp.getLength());
            out.write(tmp.getData(), 0, tmp.getLength());
        }
    }
}

---

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

@Override
public void write(DataOutput dout) throws IOException {
    dout.writeInt(bytesSetIterator.previousIndex());
    dout.writeInt(bytesSet.size());//from w  w w  .jav  a2 s .c o m
    for (byte[] bytes : bytesSet) {
        dout.writeShort(bytes.length);
        dout.write(bytes, 0, bytes.length);
    }
}

---

From source file:org.apache.hadoop.hbase.KeyValue.java

/**
 * Write out a KeyValue in the manner in which we used to when KeyValue was a Writable.
 * @param kv//from  w w w .  j a v  a2 s  .  c  om
 * @param out
 * @return Length written on stream
 * @throws IOException
 * @see #create(DataInput) for the inverse function
 */
public static long write(final KeyValue kv, final DataOutput out) throws IOException {
    // This is how the old Writables write used to serialize KVs.  Need to figure way to make it
    // work for all implementations.
    int length = kv.getLength();
    out.writeInt(length);
    out.write(kv.getBuffer(), kv.getOffset(), length);
    return length + Bytes.SIZEOF_INT;
}

---

From source file:org.apache.hadoop.hbase.KeyValueUtil.java

/**
 * Write out a KeyValue in the manner in which we used to when KeyValue was a
 * Writable./* ww w.j ava  2  s.  c  om*/
 *
 * @param kv
 * @param out
 * @return Length written on stream
 * @throws IOException
 * @see #create(DataInput) for the inverse function
 */
public static long write(final KeyValue kv, final DataOutput out) throws IOException {
    // This is how the old Writables write used to serialize KVs. Need to figure
    // way to make it
    // work for all implementations.
    int length = kv.getLength();
    out.writeInt(length);
    out.write(kv.getBuffer(), kv.getOffset(), length);
    return (long) length + Bytes.SIZEOF_INT;
}

---

From source file:org.apache.hadoop.hive.accumulo.AccumuloHiveRow.java

@Override
public void write(DataOutput dataOutput) throws IOException {
    if (null != rowId) {
        dataOutput.writeBoolean(true);/*from  ww  w . j a  v  a2s  . c  o m*/
        dataOutput.writeUTF(rowId);
    } else {
        dataOutput.writeBoolean(false);
    }
    int size = tuples.size();
    dataOutput.writeInt(size);
    for (ColumnTuple tuple : tuples) {
        Text cf = tuple.getCf(), cq = tuple.getCq();
        dataOutput.writeInt(cf.getLength());
        dataOutput.write(cf.getBytes(), 0, cf.getLength());
        dataOutput.writeInt(cq.getLength());
        dataOutput.write(cq.getBytes(), 0, cq.getLength());
        byte[] value = tuple.getValue();
        dataOutput.writeInt(value.length);
        dataOutput.write(value);
    }
}

---

From source file:org.apache.hadoop.hive.ql.io.orc.OrcSplit.java

@Override
public void write(DataOutput out) throws IOException {
    //serialize path, offset, length using FileSplit
    super.write(out);

    int flags = (hasBase ? BASE_FLAG : 0) | (isOriginal ? ORIGINAL_FLAG : 0) | (hasFooter ? FOOTER_FLAG : 0)
            | (fileId != null ? HAS_FILEID_FLAG : 0);
    out.writeByte(flags);//from w  w w . j  a  va 2s  .  co  m
    out.writeInt(deltas.size());
    for (AcidInputFormat.DeltaMetaData delta : deltas) {
        delta.write(out);
    }
    if (hasFooter) {
        // serialize FileMetaInfo fields
        Text.writeString(out, fileMetaInfo.compressionType);
        WritableUtils.writeVInt(out, fileMetaInfo.bufferSize);
        WritableUtils.writeVInt(out, fileMetaInfo.metadataSize);

        // serialize FileMetaInfo field footer
        ByteBuffer footerBuff = fileMetaInfo.footerBuffer;
        footerBuff.reset();

        // write length of buffer
        WritableUtils.writeVInt(out, footerBuff.limit() - footerBuff.position());
        out.write(footerBuff.array(), footerBuff.position(), footerBuff.limit() - footerBuff.position());
        WritableUtils.writeVInt(out, fileMetaInfo.writerVersion.getId());
    }
    if (fileId != null) {
        out.writeLong(fileId.longValue());
    }
}

---

From source file:org.apache.hadoop.io.BytesWritable.java

public void write(DataOutput out) throws IOException {
    out.writeInt(size);
    out.write(bytes, 0, size);
}

---

From source file:org.apache.hawq.pxf.service.io.Text.java

@Override
public void write(DataOutput out) throws IOException {
    byte[] bytes = getBytes();
    out.write(bytes, 0, getLength());
}

---

• «
• 1
• 2
• 3
• 4
• 5
• »