org.kitesdk.morphline.stdlib
Class SampleBuilder

java.lang.Object
  org.kitesdk.morphline.stdlib.SampleBuilder

All Implemented Interfaces:

CommandBuilder

public final class SampleBuilder
extends Object
implements CommandBuilder

Command that forwards each input record with a given probability to its child command, and silently ignores all other input records. Sampling is based on a random number generator. This can be helpful to easily test a morphline with a random subset of records from a large dataset.

Constructor Summary

SampleBuilder()

Method Summary

Command	build(com.typesafe.config.Config config, Command parent, Command child, MorphlineContext context) Creates and returns a command rooted at the given morphline JSON config.
Collection<String>	getNames() Returns the names with which this command can be invoked.

Methods inherited from class java.lang.Object

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

Constructor Detail

SampleBuilder

public SampleBuilder()

Method Detail

getNames

public Collection<String> getNames()

Description copied from interface: CommandBuilder

Returns the names with which this command can be invoked. The returned set can contain synonyms to enable backwards compatible name changes.

Specified by:

getNames in interface CommandBuilder

build

public Command build(com.typesafe.config.Config config,
                     Command parent,
                     Command child,
                     MorphlineContext context)

Description copied from interface: CommandBuilder

Creates and returns a command rooted at the given morphline JSON config. The command will feed records into child. The command will have parent as it's parent. Additional parameters can be passed via the morphline context.

Specified by:

build in interface CommandBuilder