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:edu.umn.cs.spatialHadoop.visualization.FrequencyMap.java

@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    int length = in.readInt();
    byte[] serializedData = new byte[length];
    in.readFully(serializedData);// w  w  w .j av a  2 s  .  c  o m
    ByteArrayInputStream bais = new ByteArrayInputStream(serializedData);
    GZIPInputStream gzis = new GZIPInputStream(bais);

    byte[] buffer = new byte[8];
    gzis.read(buffer);
    ByteBuffer bbuffer = ByteBuffer.wrap(buffer);
    int width = bbuffer.getInt();
    int height = bbuffer.getInt();
    // Reallocate memory only if needed
    if (width != this.getWidth() || height != this.getHeight())
        frequencies = new float[width][height];
    buffer = new byte[getHeight() * 4];
    for (int x = 0; x < getWidth(); x++) {
        int size = 0;
        while (size < buffer.length) {
            size += gzis.read(buffer, size, buffer.length - size);
        }
        bbuffer = ByteBuffer.wrap(buffer);
        for (int y = 0; y < getHeight(); y++) {
            frequencies[x][y] = bbuffer.getFloat();
        }
    }
}

From source file:org.apache.geode.cache.query.data.Portfolio.java

public void fromData(DataInput in) throws IOException, ClassNotFoundException {
      this.ID = in.readInt();
      boolean isNull = DataSerializer.readPrimitiveBoolean(in);
      if (!isNull) {
          this.shortID = DataSerializer.readShort(in);
      }/*from w  w w  .  java2 s  .co  m*/
      this.pkid = DataSerializer.readString(in);

      this.position1 = (Position) DataSerializer.readObject(in);
      this.position2 = (Position) DataSerializer.readObject(in);
      this.positions = (HashMap) DataSerializer.readObject(in);
      this.collectionHolderMap = (HashMap) DataSerializer.readObject(in);
      this.type = DataSerializer.readString(in);
      this.status = DataSerializer.readString(in);
      this.names = DataSerializer.readStringArray(in);
      this.description = DataSerializer.readString(in);
      this.createTime = DataSerializer.readPrimitiveLong(in);
      this.createDate = DataSerializer.readDate(in);
      // Read Position3
      int position3Size = in.readInt();
      if (position3Size != 0) {
          this.position3 = new Position[position3Size];
          for (int i = 0; i < position3Size; i++) {
              this.position3[i] = (Position) DataSerializer.readObject(in);

          }
      }
      this.indexKey = in.readInt();
  }

From source file:com.nearinfinity.blur.mapreduce.BlurTask.java

@Override
public void readFields(DataInput input) throws IOException {
    _maxRecordCount = input.readLong();// www  .  j av  a  2  s  .c  o m
    _ramBufferSizeMB = input.readInt();
    _optimize = input.readBoolean();
    _indexingType = INDEXING_TYPE.valueOf(readString(input));
    byte[] data = new byte[input.readInt()];
    input.readFully(data);
    ByteArrayInputStream is = new ByteArrayInputStream(data);
    TIOStreamTransport trans = new TIOStreamTransport(is);
    TBinaryProtocol protocol = new TBinaryProtocol(trans);
    _tableDescriptor = new TableDescriptor();
    try {
        _tableDescriptor.read(protocol);
    } catch (TException e) {
        throw new IOException(e);
    }
}

From source file:com.aliyun.openservices.tablestore.hadoop.MultiCriteria.java

@Override
public void readFields(DataInput in) throws IOException {
    byte tag = in.readByte();
    if (tag != WritableConsts.MULTI_CRITERIA) {
        throw new IOException("broken input stream");
    }//from w w  w  . ja v  a2s . c o  m
    List<RangeRowQueryCriteria> newCriteria = new ArrayList<RangeRowQueryCriteria>();
    int sz = in.readInt();
    for (int i = 0; i < sz; ++i) {
        newCriteria.add(RangeRowQueryCriteriaWritable.read(in).getRangeRowQueryCriteria());
    }
    criteria = newCriteria;
}

From source file:parquet.hadoop.ParquetInputSplit.java

/**
 * {@inheritDoc}/*from   w w  w  . ja v  a 2 s .co m*/
 */
@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    int blocksSize = in.readInt();
    this.blocks = new ArrayList<BlockMetaData>(blocksSize);
    for (int i = 0; i < blocksSize; i++) {
        blocks.add(readBlock(in));
    }
    this.requestedSchema = decompressString(Text.readString(in));
    this.fileSchema = decompressString(Text.readString(in));
    this.extraMetadata = readKeyValues(in);
    this.readSupportMetadata = readKeyValues(in);
}

From source file:com.chinamobile.bcbsp.sync.SuperStepCommand.java

@Override
public void readFields(DataInput in) throws IOException {
    this.commandType = in.readInt();
    this.initWritePath = Text.readString(in);
    this.initReadPath = Text.readString(in);
    this.ableCheckPoint = in.readInt();
    this.nextSuperStepNum = in.readInt();
    this.oldCheckPoint = in.readInt();
    int count = in.readInt();
    this.aggValues = new String[count];
    for (int i = 0; i < count; i++) {
        this.aggValues[i] = Text.readString(in);
    }/*from w  w  w  .  j a  v  a2  s. c o m*/
    int size = WritableUtils.readVInt(in);
    if (size > 0) {
        String[] partitionToWMName = WritableUtils.readCompressedStringArray(in);
        this.partitionToWorkerManagerNameAndPort = new HashMap<Integer, String>();
        for (int j = 0; j < size; j++) {
            this.partitionToWorkerManagerNameAndPort.put(j, partitionToWMName[j]);
        }
    }
    this.migrateStaffIDs = in.readUTF();
    this.migrateVertexCommand.readFields(in);

}

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

@Override
public void readFields(DataInput dataInput) throws IOException {
    if (dataInput.readBoolean()) {
        rowId = dataInput.readUTF();//from w  ww  . j  a  va 2s . c o m
    }
    int size = dataInput.readInt();
    for (int i = 0; i < size; i++) {
        int cfLength = dataInput.readInt();
        byte[] cfData = new byte[cfLength];
        dataInput.readFully(cfData, 0, cfLength);
        Text cf = new Text(cfData);
        int cqLength = dataInput.readInt();
        byte[] cqData = new byte[cqLength];
        dataInput.readFully(cqData, 0, cqLength);
        Text cq = new Text(cqData);
        int valSize = dataInput.readInt();
        byte[] val = new byte[valSize];
        for (int j = 0; j < valSize; j++) {
            val[j] = dataInput.readByte();
        }
        tuples.add(new ColumnTuple(cf, cq, val));
    }
}

From source file:uk.ac.cam.eng.extraction.hadoop.datatypes.ProvenanceCountMap.java

@Override
public void readFields(DataInput in) throws IOException {
    instance.clear();//from   ww w.  j  a  va  2 s.c o  m
    byte length = in.readByte();
    for (int i = 0; i < length; ++i) {
        byte key = in.readByte();
        int value = in.readInt();
        instance.put(getCached(key), getCached(value));
    }

}

From source file:parquet.hadoop.ParquetInputSplit.java

private ColumnChunkMetaData readColumn(DataInput in) throws IOException {
    CompressionCodecName codec = CompressionCodecName.values()[in.readInt()];
    String[] columnPath = new String[in.readInt()];
    for (int i = 0; i < columnPath.length; i++) {
        columnPath[i] = in.readUTF().intern();
    }/*  ww w . j  av  a  2 s  . c o m*/
    PrimitiveTypeName type = PrimitiveTypeName.values()[in.readInt()];
    int encodingsSize = in.readInt();
    Set<Encoding> encodings = new HashSet<Encoding>(encodingsSize);
    for (int i = 0; i < encodingsSize; i++) {
        encodings.add(Encoding.values()[in.readInt()]);
    }
    ColumnChunkMetaData column = ColumnChunkMetaData.get(ColumnPath.get(columnPath), type, codec, encodings,
            in.readLong(), in.readLong(), in.readLong(), in.readLong(), in.readLong());
    return column;
}

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

@Override
public void readFields(DataInput in) throws IOException {
    this.groomName = Text.readString(in);
    this.rpcServer = Text.readString(in);
    this.hostName = Text.readString(in);

    this.failures = in.readInt();
    this.maxTasks = in.readInt();
    taskReports.clear();//  w  ww  .j  a  va  2s . c o  m
    int numTasks = in.readInt();

    TaskStatus status;
    for (int i = 0; i < numTasks; i++) {
        status = new TaskStatus();
        status.readFields(in);
        taskReports.add(status);
    }
}