org.apache.hawq.pxf.api

Class Fragment

java.lang.Object

org.apache.hawq.pxf.api.Fragment

public class Fragment
extends java.lang.Object

Fragment holds a data fragment' information. Fragmenter.getFragments() returns a list of fragments.

Constructor Summary

Constructors

Constructor and Description
Fragment(java.lang.String sourceName, java.lang.String[] hosts, byte[] metadata) Constructs a Fragment.
Fragment(java.lang.String sourceName, java.lang.String[] hosts, byte[] metadata, byte[] userData) Constructs a Fragment.

Method Summary

Modifier and Type	Method and Description
int	getIndex()
byte[]	getMetadata()
java.lang.String[]	getReplicas()
java.lang.String	getSourceName()
byte[]	getUserData()
void	setIndex(int index)
void	setMetadata(byte[] metadata)
void	setReplicas(java.lang.String[] replicas)
void	setUserData(byte[] userData)

Methods inherited from class java.lang.Object

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

Constructor Detail

Fragment

public Fragment(java.lang.String sourceName,
                java.lang.String[] hosts,
                byte[] metadata)

Constructs a Fragment.

Parameters:

sourceName - the resource uri (File path+name, table name, etc.)

hosts - the replicas

metadata - the meta data (Starting point + length, region location, etc.).

Fragment

public Fragment(java.lang.String sourceName,
                java.lang.String[] hosts,
                byte[] metadata,
                byte[] userData)

Constructs a Fragment.

Parameters:

sourceName - the resource uri (File path+name, table name, etc.)

hosts - the replicas

metadata - the meta data (Starting point + length, region location, etc.).

userData - third party data added to a fragment.

Method Detail

getSourceName

public java.lang.String getSourceName()

getIndex

public int getIndex()

setIndex

public void setIndex(int index)

getReplicas

public java.lang.String[] getReplicas()

setReplicas

public void setReplicas(java.lang.String[] replicas)

getMetadata

public byte[] getMetadata()

setMetadata

public void setMetadata(byte[] metadata)

getUserData

public byte[] getUserData()

setUserData

public void setUserData(byte[] userData)