org.apache.hadoop.hive.ql.hooks
Class Entity

java.lang.Object
  org.apache.hadoop.hive.ql.hooks.Entity

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ReadEntity, WriteEntity

public class Entity
extends Object
implements Serializable

This class encapsulates an object that is being read or written to by the query. This object may be a table, partition, dfs directory or a local directory.

See Also:

Serialized Form

Nested Class Summary

static class

Entity.Type The type of the entity.

Constructor Summary

Entity()
Only used by serialization.

Entity(DummyPartition p, boolean complete)

Entity(Partition p)
Constructor for a partition.

Entity(Partition p, boolean complete)

Entity(String d, boolean islocal)
Constructor for a file.

Entity(String d, boolean islocal, boolean complete)

Entity(Table t)
Constructor for a table.

Entity(Table t, boolean complete)

Method Summary

boolean	equals(Object o) Equals function.
String	getD()
URI	getLocation() Get the location of the entity.
String	getName()
Partition	getP()
Map<String,String>	getParameters() Get the parameter map of the Entity.
Partition	getPartition() Get the partition associated with the entity.
Table	getT()
Table	getTable() Get the table associated with the entity.
Entity.Type	getTyp()
Entity.Type	getType() Get the type of the entity.
int	hashCode() Hashcode function.
boolean	isComplete()
void	setComplete(boolean complete)
void	setD(String d)
void	setName(String name)
void	setP(Partition p)
void	setT(Table t)
void	setTyp(Entity.Type typ)
String	toString() toString function.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Entity

public Entity()

Only used by serialization.

Entity

public Entity(Table t)

Constructor for a table.

Parameters:

t - Table that is read or written to.

Entity

public Entity(Table t,
              boolean complete)

Entity

public Entity(Partition p)

Constructor for a partition.

Parameters:

p - Partition that is read or written to.

Entity

public Entity(Partition p,
              boolean complete)

Entity

public Entity(DummyPartition p,
              boolean complete)

Entity

public Entity(String d,
              boolean islocal)

Constructor for a file.

Parameters:

d - The name of the directory that is being read or written to.

islocal - Flag to decide whether this directory is local or in dfs.

Entity

public Entity(String d,
              boolean islocal,
              boolean complete)

Method Detail

isComplete

public boolean isComplete()

setComplete

public void setComplete(boolean complete)

getName

public String getName()

setName

public void setName(String name)

getTyp

public Entity.Type getTyp()

setTyp

public void setTyp(Entity.Type typ)

getT

public Table getT()

setT

public void setT(Table t)

getP

public Partition getP()

setP

public void setP(Partition p)

getD

public String getD()

setD

public void setD(String d)

getParameters

public Map<String,String> getParameters()

Get the parameter map of the Entity.

getType

public Entity.Type getType()

Get the type of the entity.

getLocation

public URI getLocation()
                throws Exception

Get the location of the entity.

Throws:

Exception

getPartition

public Partition getPartition()

Get the partition associated with the entity.

getTable

public Table getTable()

Get the table associated with the entity.

toString

public String toString()

toString function.

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Equals function.

Overrides:

equals in class Object

hashCode

public int hashCode()

Hashcode function.

Overrides:

hashCode in class Object