Java Doc for PreProcessor.java in  » Web-Server » JicarillaHTTP » org » jicarilla » plumbing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » JicarillaHTTP » org.jicarilla.plumbing 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jicarilla.plumbing.SimpleStage
      org.jicarilla.plumbing.DefaultStage
         org.jicarilla.plumbing.PreProcessor

PreProcessor
public class PreProcessor extends DefaultStage (Code)
A Preprocessor runs a series of plumbing over a message before enqueueing it:
 +-----------------------------------------+
 |Preprocessor                             |
 put() |+------+   +------+   +------+   +---------+ take()
 ------>|Stage1|-->|Stage2|-->|Stage3|-->| Channel |----->
 |+------+   +------+   +------+   +---------+
 +-----------------------------------------+
 
Use a Preprocessor when it does not make sense to put any kind of (asynchronous) buffering between plumbing and it is acceptable for put() to take a long time.
author:
   Leo Simons
version:
   $Id: PreProcessor.java,v 1.2 2004/03/23 13:37:58 lsimons Exp $


Field Summary
final protected  Objectm_mutex
     The mutex to synchronize on for operations involving m_stages .
final protected  Listm_stages
     The stages to run before returning from PreProcessor.put(Object) .

Constructor Summary
public  PreProcessor(Channel channel, Sink errorHandler)
     Create a new instance.

Method Summary
public  voidaddStage(Stage stage)
     Add a stage to the processor.
public  booleanoffer(Object o, long l)
     See org.jicarilla.plumbing.Stage.offer(Objectlong) .
protected  voidprocess(Object o)
     Runs the message through the set of post processing stages.
public  voidput(Object o)
     See Stage.put(Object) .

Field Detail
m_mutex
final protected Object m_mutex(Code)
The mutex to synchronize on for operations involving m_stages .



m_stages
final protected List m_stages(Code)
The stages to run before returning from PreProcessor.put(Object) .




Constructor Detail
PreProcessor
public PreProcessor(Channel channel, Sink errorHandler)(Code)
Create a new instance.
Parameters:
  channel - the channel to pass to DefaultStage
Parameters:
  errorHandler - the error handler to pass to DefaultStage




Method Detail
addStage
public void addStage(Stage stage)(Code)
Add a stage to the processor. It's appended at the end of the current set of stages.
Parameters:
  stage - the stage to add



offer
public boolean offer(Object o, long l) throws InterruptedException(Code)
See org.jicarilla.plumbing.Stage.offer(Objectlong) .
Parameters:
  o - the object to add
Parameters:
  l - how long to try adding the object before returning true if the object was added, false if it wasn't
throws:
  InterruptedException - if the current thread has beenjava.lang.Thread.interrupted



process
protected void process(Object o) throws InterruptedException(Code)
Runs the message through the set of post processing stages.
Parameters:
  o - the message to process
throws:
  InterruptedException - if the current thread has beenjava.lang.Thread.interrupted



put
public void put(Object o) throws InterruptedException(Code)
See Stage.put(Object) .
Parameters:
  o - the object to add
throws:
  InterruptedException - if the current thread has beenjava.lang.Thread.interrupted



Fields inherited from org.jicarilla.plumbing.DefaultStage
final protected Sink m_errorHandler(Code)(Java Doc)

Methods inherited from org.jicarilla.plumbing.DefaultStage
protected void handleError(Object o) throws InterruptedException(Code)(Java Doc)

Fields inherited from org.jicarilla.plumbing.SimpleStage
protected Channel m_channel(Code)(Java Doc)

Methods inherited from org.jicarilla.plumbing.SimpleStage
protected Channel getChannel()(Code)(Java Doc)
public boolean offer(Object o, long l) throws InterruptedException(Code)(Java Doc)
public Object peek()(Code)(Java Doc)
public Object poll(long l) throws InterruptedException(Code)(Java Doc)
public void put(Object o) throws InterruptedException(Code)(Java Doc)
public Object take() throws InterruptedException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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