io.cdap.cdap.api.data.batch

Class SimpleSplit

java.lang.Object

io.cdap.cdap.api.data.batch.Split

io.cdap.cdap.api.data.batch.SimpleSplit

public final class SimpleSplit
extends Split

Handy implementation of the Split. Acts as a map of attributes.

Constructor Summary

Constructors

Constructor and Description
SimpleSplit()

Method Summary

Modifier and Type	Method and Description
String	get(String name) Gets an attribute value.
String	get(String name, String defaultValue) Gets an attribute value.
void	readExternal(DataInput in) Deserialize this split.
void	set(String name, String value) Sets an attribute.
void	writeExternal(DataOutput out) Serializing this split.

Methods inherited from class io.cdap.cdap.api.data.batch.Split

getLength

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleSplit

public SimpleSplit()

Method Detail

set

public void set(String name,
                String value)

Sets an attribute.

Parameters:

name - Name of the attribute.

value - Value of the attribute.

get

public String get(String name)

Gets an attribute value.

Parameters:

name - Name of the attribute to get the value of.

Returns:

value Value of the attribute, or null if not found.

get

public String get(String name,
                  String defaultValue)

Gets an attribute value.

Parameters:

name - Name of the attribute to get the value of.

defaultValue - The value to return if the attribute is not found.

Returns:

Value of the attribute, or the default value if the value is not found

writeExternal

public void writeExternal(DataOutput out)
                   throws IOException

Description copied from class: Split

Serializing this split.

Overrides:

writeExternal in class Split

Parameters:

out - the DataOutput for writing out this split information

Throws:

IOException - if failed to serialize

readExternal

public void readExternal(DataInput in)
                  throws IOException

Description copied from class: Split

Deserialize this split.

Overrides:

readExternal in class Split

Parameters:

in - the DataInput to read back the split information.

Throws:

IOException - if failed to deserialize