edu.cmu.sphinx.decoder.pruner
Class SimplePruner

java.lang.Object
  extended byedu.cmu.sphinx.decoder.pruner.SimplePruner
All Implemented Interfaces:
Configurable, Pruner

public class SimplePruner
extends java.lang.Object
implements Pruner

Performs the default pruning behavior which is to invoke the purge on the active list


Constructor Summary
SimplePruner()
           
 
Method Summary
 void allocate()
          Allocates resources necessary for this pruner
 void deallocate()
          Deallocates resources necessary for this pruner
 java.lang.String getName()
          Retrieves the name for this configurable component
 void newProperties(PropertySheet ps)
          This method is called when this configurable component has new data.
 ActiveList prune(ActiveList activeList)
          prunes the given set of states
 void register(java.lang.String name, Registry registry)
          Register my properties.
 void startRecognition()
          Starts the pruner
 void stopRecognition()
          Performs post-recognition cleanup.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SimplePruner

public SimplePruner()
Method Detail

register

public void register(java.lang.String name,
                     Registry registry)
              throws PropertyException
Description copied from interface: Configurable
Register my properties. This method is called once early in the time of the component, shortly after the component is constructed. This component should register any configuration properties that it needs to register. If this configurable extends another configurable, super.register should also be called

Specified by:
register in interface Configurable
Parameters:
name - the name of the component
registry - the registry for this component
Throws:
PropertyException

newProperties

public void newProperties(PropertySheet ps)
                   throws PropertyException
Description copied from interface: Configurable
This method is called when this configurable component has new data. The component should first validate the data. If it is bad the component should return false. If the data is good, the component should record the the data internally and return true.

Specified by:
newProperties in interface Configurable
Parameters:
ps - a property sheet holding the new data
Throws:
PropertyException - if there is a problem with the properties.

getName

public java.lang.String getName()
Description copied from interface: Configurable
Retrieves the name for this configurable component

Specified by:
getName in interface Configurable
Returns:
the name

startRecognition

public void startRecognition()
Starts the pruner

Specified by:
startRecognition in interface Pruner

prune

public ActiveList prune(ActiveList activeList)
prunes the given set of states

Specified by:
prune in interface Pruner
Parameters:
activeList - a activeList of tokens
Returns:
the pruned list, (may be the sample list as stateTokenList)

stopRecognition

public void stopRecognition()
Performs post-recognition cleanup.

Specified by:
stopRecognition in interface Pruner

allocate

public void allocate()
Description copied from interface: Pruner
Allocates resources necessary for this pruner

Specified by:
allocate in interface Pruner

deallocate

public void deallocate()
Description copied from interface: Pruner
Deallocates resources necessary for this pruner

Specified by:
deallocate in interface Pruner