com.neurosys.etl.common

Interface ChainAware<T,O>

All Known Implementing Classes:

DefaultValueTransformer, NullFilter

public interface ChainAware<T,O>

Processors, Lookup, Predicate or Transformer that are aware that they are being called in a Chain

Author:

Arjun Dhar

Method Summary

Modifier and Type	Method and Description
Chain<T,O>	getChain() If the processor that implements this is part of a chain, it will return a reference to the chain else null
Object	getPredecessor() Get the item before this one in the Chain
void	setChain(Chain<T,O> chain) If the processor that implements this is part of a chain, it will have a reference to the chain
void	setPredecessor(Object processor) Get the item before this one in the Chain

Method Detail

setChain

void setChain(Chain<T,O> chain)

If the processor that implements this is part of a chain, it will have a reference to the chain

Parameters:

chain - as Chain

getChain

Chain<T,O> getChain()

If the processor that implements this is part of a chain, it will return a reference to the chain else null

Returns:

Chain

setPredecessor

void setPredecessor(Object processor)

Get the item before this one in the Chain

getPredecessor

Object getPredecessor()

Get the item before this one in the Chain