Example usage for java.io DataOutput writeLong

Introduction

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

Prototype

void writeLong(long v) throws IOException;

Source Link

Document

Writes a long value, which is comprised of eight bytes, to the output stream.

Usage

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

/** {@inheritDoc} */
@Override/*from   www .  j  ava2s. c om*/
public void write(DataOutput out) throws IOException {
    // EntityId.
    final byte[] bytes = mEntityId.getHBaseRowKey();
    out.writeInt(bytes.length);
    out.write(bytes);

    // Family/Qualifier/Timestamp.
    out.writeUTF(mFamily);
    out.writeUTF(mQualifier);
    out.writeLong(mTimestamp);

    // Avro.
    final KijiCellEncoder encoder = new KijiCellEncoder(null);
    final byte[] cellData = encoder.encode(mCell, KijiCellFormat.NONE);
    out.writeUTF(mCell.getWriterSchema().toString());
    out.writeInt(cellData.length);
    out.write(cellData);
}

From source file:edu.umn.cs.spatialHadoop.nasa.HDFRasterLayer.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    out.writeLong(timestamp);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    ByteBuffer bbuffer = ByteBuffer.allocate(getHeight() * 2 * 8 + 8);
    bbuffer.putInt(getWidth());/*from   w w w . j a va 2 s .c  o  m*/
    bbuffer.putInt(getHeight());
    gzos.write(bbuffer.array(), 0, bbuffer.position());
    for (int x = 0; x < getWidth(); x++) {
        bbuffer.clear();
        for (int y = 0; y < getHeight(); y++) {
            bbuffer.putLong(sum[x][y]);
            bbuffer.putLong(count[x][y]);
        }
        gzos.write(bbuffer.array(), 0, bbuffer.position());
    }
    gzos.close();

    byte[] serializedData = baos.toByteArray();
    out.writeInt(serializedData.length);
    out.write(serializedData);
}

From source file:org.apache.hadoop.hbase.ccindex.TimeRangeFilter.java

public void write(final DataOutput out) throws IOException {
    Bytes.writeByteArray(out, this.columnFamily);
    Bytes.writeByteArray(out, this.columnQualifier);
    out.writeLong(this.startTs);
    out.writeLong(this.endTs);
    out.writeBoolean(foundColumn);//from  www. j a va  2s.  co  m

    out.writeBoolean(filterIfMissing);
    out.writeBoolean(latestVersionOnly);
}

From source file:parquet.hadoop.ParquetInputSplit.java

private void writeBlock(DataOutput out, BlockMetaData block) throws IOException {
    out.writeInt(block.getColumns().size());
    for (ColumnChunkMetaData column : block.getColumns()) {
        writeColumn(out, column);//from   w ww  .  j a  v a 2 s .  c  o m
    }
    out.writeLong(block.getRowCount());
    out.writeLong(block.getTotalByteSize());
    out.writeBoolean(block.getPath() == null);
    if (block.getPath() != null) {
        out.writeUTF(block.getPath());
    }
}

From source file:com.cloudera.sqoop.lib.LobRef.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeBoolean(isExternal());//w ww  .jav a  2  s  .c o  m
    if (isExternal()) {
        Text.writeString(out, "lf"); // storage type "lf" for LobFile.
        Text.writeString(out, fileName);
        out.writeLong(offset);
        out.writeLong(length);
    } else {
        writeInternal(out);
    }
}

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

@Override
public void write(DataOutput out) throws IOException {
    jobId.write(out);//www.  j a  v a  2s  .c  o m
    taskId.write(out);
    out.writeFloat(progress);
    WritableUtils.writeEnum(out, runState);
    Text.writeString(out, stateString);
    WritableUtils.writeEnum(out, phase);
    out.writeLong(startTime);
    out.writeLong(finishTime);

    counters.write(out);
}

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

/**
 * @param Data Output Stream/*from  w w w  .jav  a 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.cloudata.core.tabletserver.CommitLog.java

public void write(DataOutput out) throws IOException {
    writeBytes = 0;//from www. j a v a  2s  . com
    out.writeInt(operation);
    writeBytes += CWritableUtils.getIntByteSize();

    rowKey.write(out);
    writeBytes += rowKey.getByteSize();

    writeBytes += CWritableUtils.writeString(out, columnName);

    columnKey.write(out);
    writeBytes += columnKey.getByteSize();

    out.writeLong(timestamp);
    writeBytes += CWritableUtils.getLongByteSize();

    out.writeInt(value == null ? -1 : value.length);
    writeBytes += CWritableUtils.getIntByteSize();

    if (value != null) {
        out.write(value);
        writeBytes += value.length;
    }
}

From source file:org.apache.tez.mapreduce.hadoop.MRTaskStatus.java

@Override
public void write(DataOutput out) throws IOException {
    taskAttemptId.write(out);/*from  ww  w.j a v a2  s  .  com*/
    WritableUtils.writeEnum(out, state);
    out.writeFloat(progress);
    WritableUtils.writeString(out, diagnostics);
    WritableUtils.writeString(out, userStatusInfo);
    WritableUtils.writeEnum(out, phase);

    counters.write(out);

    out.writeLong(localOutputSize);
    out.writeLong(startTime);
    out.writeLong(finishTime);
    out.writeLong(sortFinishTime);
    out.writeLong(mapFinishTime);
    out.writeLong(shuffleFinishTime);

    out.writeInt(failedTaskDependencies.size());
    for (TezTaskAttemptID taskAttemptId : failedTaskDependencies) {
        taskAttemptId.write(out);
    }
}

From source file:org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.java

/**
 * Write the trailer to a data stream. We support writing version 1 for
 * testing and for determining version 1 trailer size. It is also easy to see
 * what fields changed in version 2.//from  ww  w.  j  ava2s.c o  m
 *
 * @param outputStream
 * @throws IOException
 */
void serialize(DataOutputStream outputStream) throws IOException {
    HFile.checkFormatVersion(majorVersion);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutput baosDos = new DataOutputStream(baos);

    BlockType.TRAILER.write(baosDos);
    baosDos.writeLong(fileInfoOffset);
    baosDos.writeLong(loadOnOpenDataOffset);
    baosDos.writeInt(dataIndexCount);

    if (majorVersion == 1) {
        // This used to be metaIndexOffset, but it was not used in version 1.
        baosDos.writeLong(0);
    } else {
        baosDos.writeLong(uncompressedDataIndexSize);
    }

    baosDos.writeInt(metaIndexCount);
    baosDos.writeLong(totalUncompressedBytes);
    if (majorVersion == 1) {
        baosDos.writeInt((int) Math.min(Integer.MAX_VALUE, entryCount));
    } else {
        // This field is long from version 2 onwards.
        baosDos.writeLong(entryCount);
    }
    baosDos.writeInt(compressionCodec.ordinal());

    if (majorVersion > 1) {
        baosDos.writeInt(numDataIndexLevels);
        baosDos.writeLong(firstDataBlockOffset);
        baosDos.writeLong(lastDataBlockOffset);
        Bytes.writeStringFixedSize(baosDos, comparatorClassName, MAX_COMPARATOR_NAME_LENGTH);
    }

    // serialize the major and minor versions
    baosDos.writeInt(materializeVersion(majorVersion, minorVersion));

    outputStream.write(baos.toByteArray());
}