net.sf.farrago.defimpl
Class FarragoVolcanoPersonalityFactory

java.lang.Object
  extended by net.sf.farrago.defimpl.FarragoVolcanoPersonalityFactory
All Implemented Interfaces:
FarragoSessionPersonalityFactory

public class FarragoVolcanoPersonalityFactory
extends Object
implements FarragoSessionPersonalityFactory

FarragoVolcanoPersonalityFactory implements the FarragoSessionPersonalityFactory interface by using Volcano to implement cost-based optimization.

Version:
$Id: //open/dev/farrago/src/net/sf/farrago/defimpl/FarragoVolcanoPersonalityFactory.java#6 $
Author:
John V. Sichi

Nested Class Summary
private static class FarragoVolcanoPersonalityFactory.FarragoVolcanoSessionPersonality
           
 
Constructor Summary
FarragoVolcanoPersonalityFactory()
           
 
Method Summary
 FarragoSessionPersonality newSessionPersonality(FarragoSession session, FarragoSessionPersonality defaultPersonality)
          Creates a new session personality.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FarragoVolcanoPersonalityFactory

public FarragoVolcanoPersonalityFactory()
Method Detail

newSessionPersonality

public FarragoSessionPersonality newSessionPersonality(FarragoSession session,
                                                       FarragoSessionPersonality defaultPersonality)
Description copied from interface: FarragoSessionPersonalityFactory
Creates a new session personality.

Specified by:
newSessionPersonality in interface FarragoSessionPersonalityFactory
Parameters:
session - session for which personality is being created; note that the personality may be used for other sessions as well, so no reference to this session should be retained
defaultPersonality - a default personality to which the new personality may delegate, or null if no default is available
Returns:
personality