com.sourceforge.jpatterns.core
Class JPEngineFactory

java.lang.Object
  com.sourceforge.jpatterns.core.JPEngineFactory

All Implemented Interfaces:

Serializable

public final class JPEngineFactory
extends Object
implements Serializable

Singleton-factory for the accesing the entry points of all the JPatterns operations. Currently it is only IJPEngine, still there could be another entry points may occurr here in the future. $Author:: zmicer $
$Rev:: 67 $
* $Date:: 2007-08-28 21:37:07 #$
$Date:: 2007-08-28 21:37:07 #$

See Also:

Serialized Form

Field Summary

static org.apache.log4j.Logger

LOG Logger instance.

Method Summary

static JPEngineFactory	getInstance()
static IJPEngine	getJPEngine(JPConstants.EngineConfigCaregory category) Get the IJPEngine of the necessary category.
void	init() Init method.
protected IJPEngine	instantiateEngine()
protected static void	logAndThrow(String message) Log the message and then throw it.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.log4j.Logger LOG

Logger instance.

Method Detail

init

public void init()

Init method.

instantiateEngine

protected IJPEngine instantiateEngine()

Returns:

the new IJPEngine instance.

getInstance

public static JPEngineFactory getInstance()

Returns:

the singleton instance of the JPEngineFactory

getJPEngine

public static IJPEngine getJPEngine(JPConstants.EngineConfigCaregory category)

Get the IJPEngine of the necessary category.

Parameters:

category - the category to be used, Can not be null (otherwise IllegalArgumentException would appear).

Returns:

the JPatterns engine singleton instance

logAndThrow

protected static void logAndThrow(String message)
                           throws JPInitializationException

Log the message and then throw it.

Parameters:

message - the not emopty message to be thrown and logged

Throws:

JPInitializationException - always, using message