com.conversantmedia.mapreduce.tool.annotation

Annotation Type AvroNamedOutput

@Inherited
 @Target(value=FIELD)
 @Retention(value=RUNTIME)
 @Documented
public @interface AvroNamedOutput

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
Class<? extends org.apache.avro.specific.SpecificRecordBase>	record Schema to output

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	countersEnabled MultipleOutputs.setCountersEnabled(boolean)
Class<? extends org.apache.hadoop.mapreduce.OutputFormat>	format Output format class.
String[]	name Sets the name.
String[]	value Sets the name when you don't need any other options.

Element Detail

record

public abstract Class<? extends org.apache.avro.specific.SpecificRecordBase> record

Schema to output

Returns:

the avro record type

value

public abstract String[] value

Sets the name when you don't need any other options. Enables writing @AvroNamedOutput("myAvroOutName") Supports OGNL expressions by enclosing expression in braces, prefixed by a '$'. Example: @AvroNamedOutput("${context.property}")

Returns:

the name for this output

Default:

"default"

name

public abstract String[] name

Sets the name. Synonymous with value - designed primarily for use when you're setting multiple options and don't want to use 'value=""' Supports OGNL expressions by enclosing expression in braces, prefixed by a '$'.

Returns:

the name for this output

Default:

"default"

format

public abstract Class<? extends org.apache.hadoop.mapreduce.OutputFormat> format

Output format class.

Returns:

the output format class

Default:

org.apache.avro.mapreduce.AvroKeyOutputFormat.class

countersEnabled

public abstract boolean countersEnabled

MultipleOutputs.setCountersEnabled(boolean)

Returns:

boolean status of counters

Default:

false