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:org.apache.bigtop.bigpetstore.generator.PetStoreTransactionInputSplit.java

public void readFields(DataInput dataInputStream) throws IOException {
    records = dataInputStream.readInt();
    state = State.valueOf(dataInputStream.readUTF());
    customerIdRange = Range.between(dataInputStream.readLong(), dataInputStream.readLong());
}

From source file:org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.java

static INodeFileUnderConstruction readINodeUnderConstruction(DataInput in, FSNamesystem fsNamesys,
        int imgVersion) throws IOException {
    byte[] name = readBytes(in);
    long inodeId = LayoutVersion.supports(Feature.ADD_INODE_ID, imgVersion) ? in.readLong()
            : fsNamesys.allocateNewInodeId();
    short blockReplication = in.readShort();
    long modificationTime = in.readLong();
    long preferredBlockSize = in.readLong();

    int numBlocks = in.readInt();
    BlockInfo[] blocks = new BlockInfo[numBlocks];
    Block blk = new Block();
    int i = 0;//from   w  ww .  ja v a 2 s .  c o m
    for (; i < numBlocks - 1; i++) {
        blk.readFields(in);
        blocks[i] = new BlockInfo(blk, blockReplication);
    }
    // last block is UNDER_CONSTRUCTION
    if (numBlocks > 0) {
        blk.readFields(in);
        blocks[i] = new BlockInfoUnderConstruction(blk, blockReplication, BlockUCState.UNDER_CONSTRUCTION,
                null);
    }
    PermissionStatus perm = PermissionStatus.read(in);
    String clientName = readString(in);
    String clientMachine = readString(in);

    // We previously stored locations for the last block, now we
    // just record that there are none
    int numLocs = in.readInt();
    assert numLocs == 0 : "Unexpected block locations";

    return new INodeFileUnderConstruction(inodeId, name, blockReplication, modificationTime, preferredBlockSize,
            blocks, perm, clientName, clientMachine, null);
}

From source file:org.apache.drill.exec.cache.CachedVectorContainer.java

@Override
public void read(DataInput input) throws IOException {
    int len = input.readInt();
    this.data = new byte[len];
    input.readFully(data);//from   w w w.  jav a2s . co m
}

From source file:uk.bl.wa.hadoop.indexer.WritableSolrRecord.java

@Override
public void readFields(DataInput input) throws IOException {
    int length = input.readInt();
    byte[] bytes = new byte[length];
    input.readFully(bytes);//from  w  w w.  j av a2  s.  co  m
    if (this.sr == null) {
        this.sr = SolrRecordFactory.createFactory(null).createRecord();
    }
    this.sr.setSolrDocument((SolrInputDocument) SerializationUtils.deserialize(bytes));
}

From source file:edu.nyu.vida.data_polygamy.scalar_function.Median.java

@Override
public void readFields(DataInput in) throws IOException {
    count = in.readInt();
    int size = in.readInt();
    floatValues = new ArrayList<Float>(size);
    for (int i = 0; i < size; i++)
        floatValues.add(in.readFloat());
}

From source file:org.apache.hadoop.raid.protocol.PolicyList.java

public void readFields(DataInput in) throws IOException {
    int count = in.readInt();
    for (int i = 0; i < count; i++) {
        PolicyInfo p = new PolicyInfo();
        p.readFields(in);//  ww w  . j a  v  a 2 s  .  com
        add(p);
    }
}

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

@SuppressWarnings("unchecked")
@Override//from w  ww .  jav  a 2  s.c  o m
public void readFields(DataInput in) throws IOException {
    int num = in.readInt();

    if (num > 0) {
        Class<M> clazz = null;
        try {
            clazz = (Class<M>) Class.forName(in.readUTF());
        } catch (ClassNotFoundException e) {
            LOG.error("Class was not found.", e);
        }

        for (int i = 0; i < num; i++) {
            M msg = ReflectionUtils.newInstance(clazz);
            msg.readFields(in);
            messages.add(msg);
        }
    }
}

From source file:org.apache.rya.reasoning.mr.SchemaWritable.java

@Override
public void readFields(DataInput in) throws IOException {
    int size = in.readInt();
    if (size < 1)
        throw new Error("De-serializtion failed, count is less than one.");
    byte[] bytes = new byte[size];
    in.readFully(bytes);/*  w w w  . j a  v  a2 s. c o  m*/
    // ObjectInputStream stream = new ObjectInputStream(new ByteArrayInputStream(bytes));
    try (final ByteArrayInputStream bais = new ByteArrayInputStream(bytes); //
            final ValidatingObjectInputStream vois = new ValidatingObjectInputStream(bais)
    // this is how you find classes that you missed in the vois.accept() list, below.
    // { @Override protected void invalidClassNameFound(String className) throws java.io.InvalidClassException {
    // System.out.println("vois.accept(" + className + ".class, ");};};
    ) {
        // this is a (hopefully) complete list of classes involved in a Schema to be serialized.
        // if a useful class is missing, throws an InvalidClassException.
        vois.accept(java.util.ArrayList.class, //
                org.apache.rya.reasoning.OwlProperty.class, //
                java.util.HashSet.class, //
                org.apache.rya.reasoning.OwlClass.class, //
                org.eclipse.rdf4j.model.impl.SimpleIRI.class, //
                org.eclipse.rdf4j.model.impl.SimpleBNode.class);
        try {
            Iterable<?> propList = (Iterable<?>) vois.readObject();
            Iterable<?> classList = (Iterable<?>) vois.readObject();
            for (Object p : propList) {
                OwlProperty prop = (OwlProperty) p;
                properties.put(prop.getURI(), prop);
            }
            for (Object c : classList) {
                OwlClass owlClass = (OwlClass) c;
                classes.put(owlClass.getURI(), owlClass);
            }
        } catch (ClassNotFoundException e) {
            throw new Error("While reading a schema object.");
        }
    }
}

From source file:org.apache.mahout.classifier.df.node.CategoricalNode.java

@Override
public void readFields(DataInput in) throws IOException {
    attr = in.readInt();
    values = DFUtils.readDoubleArray(in);
    childs = DFUtils.readNodeArray(in);/* w  w w .  ja va2  s.c o  m*/
}

From source file:com.vmware.demo.sgf.tests.domain.PersonKey.java

@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    id = in.readInt();
    surname = in.readUTF();//from   w w w.j a v a 2  s .  c  om
}