org.archive.crawler.framework
Class ProcessorChain

java.lang.Object
  org.archive.crawler.framework.ProcessorChain

public class ProcessorChain
extends java.lang.Object

This class groups together a number of processors that logically fit together.

Author:

John Erik Halse

Constructor Summary

ProcessorChain(MapType processorMap)
Construct a new processor chain.

Method Summary

Processor	getFirstProcessor() Get the first processor in the chain.
ProcessorChain	getNextProcessorChain() Get the processor chain that the URI should be working through after finishing this one.
Processor	getProcessor(java.lang.Class classType) Get the first processor that is of class classType or a subclass of it.
java.util.Iterator	iterator() Get an iterator over the processors in this chain.
void	kickUpdate()
void	setNextChain(ProcessorChain nextProcessorChain) Set the processor chain that the URI should be working through after finishing this one.
int	size() Get the number of processors in this chain.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessorChain

public ProcessorChain(MapType processorMap)

Construct a new processor chain.

Parameters:

processorMap - a map of the processors belonging to this chain.

Method Detail

setNextChain

public void setNextChain(ProcessorChain nextProcessorChain)

Set the processor chain that the URI should be working through after finishing this one.

Parameters:

nextProcessorChain - the chain that should be processed after this one.

getNextProcessorChain

public ProcessorChain getNextProcessorChain()

Get the processor chain that the URI should be working through after finishing this one.

Returns:

the next processor chain.

getFirstProcessor

public Processor getFirstProcessor()

Get the first processor in the chain.

Returns:

the first processor in the chain.

getProcessor

public Processor getProcessor(java.lang.Class classType)

Get the first processor that is of class classType or a subclass of it.

Parameters:

classType - the class of the requested processor.

Returns:

the first processor matching the classType.

size

public int size()

Get the number of processors in this chain.

Returns:

the number of processors in this chain.

iterator

public java.util.Iterator iterator()

Get an iterator over the processors in this chain.

Returns:

an iterator over the processors in this chain.

kickUpdate

public void kickUpdate()