org.apache.avalon.excalibur.pipeline
Interface Pipeline

All Superinterfaces:

org.apache.avalon.framework.component.Component, Stage

All Known Implementing Classes:

DefaultPipeline

public interface Pipeline

extends Stage

This represents a pipeline made up of stages.

Author:

Peter Donald

Method Summary

int	getSize() Retrieve size of pipeline (number of stages).
Stage	getStage(int index) Retrieve a particular stage of pipeline

Method Detail

getSize

public int getSize()

Retrieve size of pipeline (number of stages).

Returns:

the size of pipeline

getStage

public Stage getStage(int index)
               throws java.util.NoSuchElementException

Retrieve a particular stage of pipeline

Parameters:

index - the index of stage

Returns:

the stage

Throws:

java.util.NoSuchElementException - if index >= getSize() or index < 0