org.apache.pig

Class LoadPushDown.RequiredField

java.lang.Object

org.apache.pig.LoadPushDown.RequiredField

All Implemented Interfaces:

Serializable

Enclosing interface:

LoadPushDown

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public static class LoadPushDown.RequiredField
extends Object
implements Serializable

Describes a field that is required to execute a scripts.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RequiredField()
RequiredField(String alias, int index, List<LoadPushDown.RequiredField> subFields, byte type)

Method Summary

Modifier and Type	Method and Description
String	getAlias()
int	getIndex()
List<LoadPushDown.RequiredField>	getSubFields()
byte	getType()
void	setAlias(String alias)
void	setIndex(int i)
void	setSubFields(List<LoadPushDown.RequiredField> subFields)
void	setType(byte t)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredField

public RequiredField()

RequiredField

public RequiredField(String alias,
                     int index,
                     List<LoadPushDown.RequiredField> subFields,
                     byte type)

Parameters:

alias -

index -

subFields -

type -

Method Detail

getAlias

public String getAlias()

Returns:

the alias

getIndex

public int getIndex()

Returns:

the index

getSubFields

public List<LoadPushDown.RequiredField> getSubFields()

Returns:

the required sub fields. The return value is null if all subfields are required

setSubFields

public void setSubFields(List<LoadPushDown.RequiredField> subFields)

getType

public byte getType()

Returns:

the type

setType

public void setType(byte t)

setIndex

public void setIndex(int i)

setAlias

public void setAlias(String alias)

toString

public String toString()

Overrides:

toString in class Object