org.apache.pig.impl.streaming

Class StreamingCommand.HandleSpec

java.lang.Object

org.apache.pig.impl.streaming.StreamingCommand.HandleSpec

All Implemented Interfaces:

Serializable, Cloneable, Comparable<StreamingCommand.HandleSpec>

Enclosing class:

StreamingCommand

public static class StreamingCommand.HandleSpec
extends Object
implements Comparable<StreamingCommand.HandleSpec>, Serializable, Cloneable

Specification about the usage of the StreamingCommand.Handle to communicate with the external process. It specifies the stream-handle which can be one of stdin/ stdout/stderr or a named file and also the serializer/deserializer specification to be used to read/write data to/from the stream.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HandleSpec(String handleName) Create a new StreamingCommand.HandleSpec with a given name using the default PigStorage serializer/deserializer.
HandleSpec(String handleName, String spec) Create a new StreamingCommand.HandleSpec with a given name using the default PigStorage serializer/deserializer.

Method Summary

Modifier and Type	Method and Description
Object	clone()
int	compareTo(StreamingCommand.HandleSpec o)
boolean	equals(Object obj)
String	getName() Get the name of the HandleSpec.
String	getSpec() Get the serializer/deserializer spec of the HandleSpec.
int	hashCode()
void	setName(String name) Set the name of the HandleSpec.
void	setSpec(String spec) Set the serializer/deserializer spec of the HandleSpec.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

HandleSpec

public HandleSpec(String handleName)

Create a new StreamingCommand.HandleSpec with a given name using the default PigStorage serializer/deserializer.

Parameters:

handleName - name of the handle (one of stdin, stdout or a file-path)

HandleSpec

public HandleSpec(String handleName,
                  String spec)

Create a new StreamingCommand.HandleSpec with a given name using the default PigStorage serializer/deserializer.

Parameters:

handleName - name of the handle (one of stdin, stdout or a file-path)

spec - serializer/deserializer spec

Method Detail

compareTo

public int compareTo(StreamingCommand.HandleSpec o)

Specified by:

compareTo in interface Comparable<StreamingCommand.HandleSpec>

toString

public String toString()

Overrides:

toString in class Object

getName

public String getName()

Get the name of the HandleSpec.

Returns:

the name of the HandleSpec (one of stdin, stdout or a file-path)

setName

public void setName(String name)

Set the name of the HandleSpec.

Parameters:

name - name of the HandleSpec (one of stdin, stdout or a file-path)

getSpec

public String getSpec()

Get the serializer/deserializer spec of the HandleSpec.

Returns:

the serializer/deserializer spec of the HandleSpec

setSpec

public void setSpec(String spec)

Set the serializer/deserializer spec of the HandleSpec.

Parameters:

spec - the serializer/deserializer spec of the HandleSpec

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

clone

public Object clone()

Overrides:

clone in class Object