org.apache.camel.processor
Class Pipeline

java.lang.Object
  org.apache.camel.impl.ServiceSupport
      org.apache.camel.processor.MulticastProcessor
          org.apache.camel.processor.Pipeline

All Implemented Interfaces:

Navigate, Processor, Traceable, Service

public class Pipeline
extends MulticastProcessor
implements Processor, Traceable

Creates a Pipeline pattern where the output of the previous step is sent as input to the next step, reusing the same message exchanges

Version:

$Revision: 793373 $

Constructor Summary

Pipeline(Collection<Processor> processors)

Method Summary

protected boolean	continueRouting(Iterator<Processor> it, Exchange exchange)
protected Exchange	createNextExchange(Exchange previousExchange) Strategy method to create the next exchange from the previous exchange.
String	getTraceLabel() Gets the trace label used for logging when tracing is enabled.
static Processor	newInstance(List<Processor> processors)
void	process(Exchange exchange) Processes the message exchange
String	toString()

Methods inherited from class org.apache.camel.processor.MulticastProcessor

createProcessorExchangePairs, doAggregate, doProcessParallel, doProcessSequntiel, doStart, doStop, getAggregationStrategy, getExecutorService, getProcessors, hasNext, isParallelProcessing, isStreaming, next, setExecutorService, updateNewExchange

Methods inherited from class org.apache.camel.impl.ServiceSupport

addChildService, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, removeChildService, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

Pipeline

public Pipeline(Collection<Processor> processors)

Method Detail

newInstance

public static Processor newInstance(List<Processor> processors)

process

public void process(Exchange exchange)
             throws Exception

Description copied from interface: Processor

Processes the message exchange

Specified by:

process in interface Processor

Overrides:

process in class MulticastProcessor

Parameters:

exchange - the message exchange

Throws:

Exception - if an internal processing error has occurred.

createNextExchange

protected Exchange createNextExchange(Exchange previousExchange)

Strategy method to create the next exchange from the previous exchange.

Remember to copy the original exchange id otherwise correlation of ids in the log is a problem

Parameters:

previousExchange - the previous exchange

Returns:

a new exchange

continueRouting

protected boolean continueRouting(Iterator<Processor> it,
                                  Exchange exchange)

toString

public String toString()

Overrides:

toString in class MulticastProcessor

getTraceLabel

public String getTraceLabel()

Description copied from interface: Traceable

Gets the trace label used for logging when tracing is enabled.

The lable should be short and precise.

Specified by:

getTraceLabel in interface Traceable

Overrides:

getTraceLabel in class MulticastProcessor

Returns:

the label