io.cdap.directives.transformation

Class Upper

java.lang.Object

io.cdap.directives.transformation.Upper

All Implemented Interfaces:

Directive, Executor<List<Row>,List<Row>>, Lineage, Serializable

@Categories(categories="transform")
public class Upper
extends Object
implements Directive, Lineage

A Wrangler step for upper casing the 'column' value of type String.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Fields inherited from interface io.cdap.wrangler.api.Directive

TYPE

Constructor Summary

Constructors

Constructor and Description
Upper()

Method Summary

Modifier and Type	Method and Description
UsageDefinition	define()
void	destroy()
List<Row>	execute(List<Row> rows, ExecutorContext context)
void	initialize(Arguments args)
Mutation	lineage()

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

Upper

public Upper()

Method Detail

define

public UsageDefinition define()

Specified by:

define in interface Directive

initialize

public void initialize(Arguments args)
                throws DirectiveParseException

Specified by:

initialize in interface Executor<List<Row>,List<Row>>

Throws:

DirectiveParseException

destroy

public void destroy()

Specified by:

destroy in interface Executor<List<Row>,List<Row>>

execute

public List<Row> execute(List<Row> rows,
                         ExecutorContext context)
                  throws DirectiveExecutionException

Specified by:

execute in interface Executor<List<Row>,List<Row>>

Throws:

DirectiveExecutionException

lineage

public Mutation lineage()

Specified by:

lineage in interface Lineage