org.apache.giraph.utils

Class ByteArrayVertexIdData<I extends org.apache.hadoop.io.WritableComparable,T>

java.lang.Object

org.apache.giraph.utils.AbstractVertexIdData<I,T>

org.apache.giraph.utils.ByteArrayVertexIdData<I,T>

Type Parameters:

I - Vertex id

T - Data

All Implemented Interfaces:

GiraphConfigurationSettable, ImmutableClassesGiraphConfigurable, VertexIdData<I,T>, org.apache.hadoop.io.Writable

Direct Known Subclasses:

ByteArrayOneMessageToManyIds, ByteArrayVertexIdEdges, ByteArrayVertexIdMessages

public abstract class ByteArrayVertexIdData<I extends org.apache.hadoop.io.WritableComparable,T>
extends AbstractVertexIdData<I,T>

Stores pairs of vertex id and generic data in a single byte array

Field Summary

Fields inherited from class org.apache.giraph.utils.AbstractVertexIdData

extendedDataOutput

Constructor Summary

Constructors

Constructor and Description
ByteArrayVertexIdData()

Method Summary

Modifier and Type	Method and Description
byte[]	getByteArray() Get the underlying byte-array.
void	readFields(DataInput dataInput)
void	write(DataOutput dataOutput)

Methods inherited from class org.apache.giraph.utils.AbstractVertexIdData

add, add, clear, getConf, getSerializedSize, getSize, getVertexIdDataIterator, initialize, initialize, isEmpty, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.giraph.utils.VertexIdData

createData, readData, writeData

Constructor Detail

ByteArrayVertexIdData

public ByteArrayVertexIdData()

Method Detail

getByteArray

public byte[] getByteArray()

Get the underlying byte-array.

Returns:

The underlying byte-array

write

public void write(DataOutput dataOutput)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Overrides:

write in class AbstractVertexIdData<I extends org.apache.hadoop.io.WritableComparable,T>

Throws:

IOException

readFields

public void readFields(DataInput dataInput)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Overrides:

readFields in class AbstractVertexIdData<I extends org.apache.hadoop.io.WritableComparable,T>

Throws:

IOException