com.tinkerpop.pipes.util

Class FluentUtility

java.lang.Object

com.tinkerpop.pipes.util.FluentUtility

public class FluentUtility
extends Object

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Constructor Summary

Constructors

Constructor and Description
FluentUtility()

Method Summary

Methods

Modifier and Type	Method and Description
static AsPipe	getAsPipe(MetaPipe metaPipe, String namedStep) Get an AsPipe by name in the respective MetaPipe.
static List<AsPipe>	getAsPipes(MetaPipe metaPipe) Get all the AsPipes in the provided MetaPipe.
static Pipe	getPreviousPipe(Pipeline pipeline) Get the last pipe in the Pipeline
static List<Pipe>	getPreviousPipes(Pipeline pipeline, int numberedStep)
static PipeFunction	prepareFunction(AsMap asMap, PipeFunction function)
static PipeFunction[]	prepareFunctions(AsMap asMap, PipeFunction... functions)
static List<Pipe>	removePreviousPipes(Pipeline pipeline, int numberedStep) A utility method to remove all the pipes back some number of steps and return them as a list.
static List<Pipe>	removePreviousPipes(Pipeline pipeline, String namedStep) A utility method to remove all the pipes back some partition step and return them as a list.
static void	setStarts(Pipeline pipeline, Object starts)

Methods inherited from class java.lang.Object

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

Constructor Detail

FluentUtility

public FluentUtility()

Method Detail

getAsPipes

public static List<AsPipe> getAsPipes(MetaPipe metaPipe)

Get all the AsPipes in the provided MetaPipe.

Returns:

all the AsPipes

getAsPipe

public static AsPipe getAsPipe(MetaPipe metaPipe,
               String namedStep)

Get an AsPipe by name in the respective MetaPipe.

Parameters:

metaPipe - the MetaPipe containing the AsPipe

namedStep - the name of the AsPipe

Returns:

the AsPipe with provided name

removePreviousPipes

public static List<Pipe> removePreviousPipes(Pipeline pipeline,
                             int numberedStep)

A utility method to remove all the pipes back some number of steps and return them as a list.

Parameters:

numberedStep - the number of steps back to remove from the pipeline

Returns:

the removed pipes

removePreviousPipes

public static List<Pipe> removePreviousPipes(Pipeline pipeline,
                             String namedStep)

A utility method to remove all the pipes back some partition step and return them as a list.

Parameters:

namedStep - the name of the step previous to remove from the pipeline

Returns:

the removed pipes

getPreviousPipe

public static Pipe getPreviousPipe(Pipeline pipeline)

Get the last pipe in the Pipeline

Parameters:

pipeline - the Pipeline

Returns:

the last pipe in the Pipeline

getPreviousPipes

public static List<Pipe> getPreviousPipes(Pipeline pipeline,
                          int numberedStep)

setStarts

public static void setStarts(Pipeline pipeline,
             Object starts)

prepareFunction

public static PipeFunction prepareFunction(AsMap asMap,
                           PipeFunction function)

prepareFunctions

public static PipeFunction[] prepareFunctions(AsMap asMap,
                              PipeFunction... functions)