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:com.fiorano.openesb.application.application.LogManager.java

/************************************************[ Streaming ]************************************************/

public void fromStream(java.io.DataInput is, int versionNo) throws java.io.IOException {

    super.fromStream(is, versionNo);
    int count = is.readInt();
    if (count != 0) {
        Properties properties = new Properties();
        String name;/*from ww  w  .  j  a  v a 2 s  .c o  m*/
        String value;
        for (int i = 0; i < count; i++) {
            properties.put(UTFReaderWriter.readUTF(is), UTFReaderWriter.readUTF(is));
        }
        this.setProps(properties);
    }
}

From source file:ml.shifu.shifu.core.dtrain.dataset.PersistBasicFloatNetwork.java

private int[] readIntArray(DataInput in) throws IOException {
    int size = in.readInt();
    int[] array = new int[size];
    for (int i = 0; i < size; i++) {
        array[i] = in.readInt();//from w w w.ja  v  a  2  s .c om
    }
    return array;
}

From source file:ml.shifu.shifu.core.dtrain.dataset.PersistBasicFloatNetwork.java

private double[] readDoubleArray(DataInput in) throws IOException {
    int size = in.readInt();
    double[] array = new double[size];
    for (int i = 0; i < size; i++) {
        array[i] = in.readDouble();//from  w  ww .  j av  a2 s.c o m
    }
    return array;
}

From source file:parquet.hadoop.ParquetInputSplit.java

private BlockMetaData readBlock(DataInput in) throws IOException {
    final BlockMetaData block = new BlockMetaData();
    int size = in.readInt();
    for (int i = 0; i < size; i++) {
        block.addColumn(readColumn(in));
    }/* w w w. j av  a  2 s  . co m*/
    block.setRowCount(in.readLong());
    block.setTotalByteSize(in.readLong());
    if (!in.readBoolean()) {
        block.setPath(in.readUTF().intern());
    }
    return block;
}

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

@Override
public void readFields(DataInput in) throws IOException {
    int nbAttributes = in.readInt();
    attributes = new Attribute[nbAttributes];
    for (int attr = 0; attr < nbAttributes; attr++) {
        String name = WritableUtils.readString(in);
        attributes[attr] = Attribute.valueOf(name);
    }/* w ww  . j a  v a2s . co m*/

    labels = WritableUtils.readStringArray(in);

    ignored = DFUtils.readIntArray(in);

    // only CATEGORICAL attributes have values
    values = new String[nbAttributes][];
    for (int attr = 0; attr < nbAttributes; attr++) {
        if (attributes[attr].isCategorical()) {
            values[attr] = WritableUtils.readStringArray(in);
        }
    }

    labelId = in.readInt();
    nbInstances = in.readInt();
}

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

@Override
public void readFields(DataInput in) throws IOException {
    int nbAttributes = in.readInt();
    attributes = new Attribute[nbAttributes];
    for (int attr = 0; attr < nbAttributes; attr++) {
        String name = WritableUtils.readString(in);
        attributes[attr] = Attribute.valueOf(name);
    }//from   w  w w.java  2 s .  c o m

    ignored = Chi_RWUtils.readIntArray(in);

    // only CATEGORICAL attributes have values
    values = new String[nbAttributes][];
    for (int attr = 0; attr < nbAttributes; attr++) {
        if (attributes[attr].isCategorical()) {
            values[attr] = WritableUtils.readStringArray(in);
        }
    }

    labelId = in.readInt();
    nbInstances = in.readInt();
}

From source file:org.apache.hadoop.hbase.hbql.filter.RecordFilterList.java

public void readFields(final DataInput in) throws IOException {
    Configuration conf = HBaseConfiguration.create();
    byte opByte = in.readByte();
    operator = Operator.values()[opByte];
    int size = in.readInt();
    if (size > 0) {
        filters = new ArrayList<Filter>(size);
        for (int i = 0; i < size; i++) {
            Filter filter = (Filter) HbaseObjectWritable.readObject(in, conf);
            filters.add(filter);/*  ww w  .  j  a  va2 s  .co m*/
        }
    }
}

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

public void readFields(DataInput in) throws IOException {
    this.srcPath = new Path(Text.readString(in));
    this.description = Text.readString(in);
    for (int n = in.readInt(); n > 0; n--) {
        String name = Text.readString(in);
        String value = Text.readString(in);
        properties.setProperty(name, value);
    }/*  w w w.  j a v  a2s.  c om*/
    for (int n = in.readInt(); n > 0; n--) {
        String destPath = Text.readString(in);
        Properties p = new Properties();
        for (int m = in.readInt(); m > 0; m--) {
            String name = Text.readString(in);
            String value = Text.readString(in);
            p.setProperty(name, value);
        }
        this.addDestPath(destPath, p);
    }
}

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

public void readFields(DataInput in) throws IOException {
    kvs.clear();/*from  w  w  w .  j a v  a2  s.co m*/
    if (scopes != null) {
        scopes.clear();
    }
    int versionOrLength = in.readInt();
    // TODO: Change version when we protobuf.  Also, change way we serialize KV!  Pb it too.
    if (versionOrLength == VERSION_2) {
        // this is new style HLog entry containing multiple KeyValues.
        int numEdits = in.readInt();
        for (int idx = 0; idx < numEdits; idx++) {
            if (compressionContext != null) {
                this.add(KeyValueCompression.readKV(in, compressionContext));
            } else {
                this.add(KeyValue.create(in));
            }
        }
        int numFamilies = in.readInt();
        if (numFamilies > 0) {
            if (scopes == null) {
                scopes = new TreeMap<byte[], Integer>(Bytes.BYTES_COMPARATOR);
            }
            for (int i = 0; i < numFamilies; i++) {
                byte[] fam = Bytes.readByteArray(in);
                int scope = in.readInt();
                scopes.put(fam, scope);
            }
        }
    } else {
        // this is an old style HLog entry. The int that we just
        // read is actually the length of a single KeyValue
        this.add(KeyValue.create(versionOrLength, in));
    }
}

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

public void readFields(DataInput in) throws IOException {
    this.fileLength = in.readLong();
    underConstruction = in.readBoolean();
    // read located blocks
    int nrBlocks = in.readInt();
    this.blocks = new ArrayList<LocatedBlock>(nrBlocks);
    for (int idx = 0; idx < nrBlocks; idx++) {
        LocatedBlock blk = new LocatedBlock();
        blk.readFields(in);/*from  www.  ja v  a  2s.co  m*/
        this.blocks.add(blk);
    }
}