org.marketcetera.strategy.Language Maven / Gradle / Ivy
package org.marketcetera.strategy;
import java.lang.reflect.Constructor;
import org.marketcetera.core.ClassVersion;
/* $License$ */
/**
* Defines the set of strategy languages available.
*
* @author Colin DuPlantis
* @version $Id: Language.java 16154 2012-07-14 16:34:05Z colin $
* @since 1.0.0
*/
@ClassVersion("$Id: Language.java 16154 2012-07-14 16:34:05Z colin $")
public enum Language
{
/**
* represents a Ruby strategy
*/
RUBY(RubyExecutor.class),
/**
* represents a Java strategy
*/
JAVA(JavaExecutor.class);
/**
* the executor to use to execute strategies of this type
*/
private final Class executorClass;
/**
* Returns an executor to use to execute a strategy implemented in this Language.
*
* Each invocation of this method is guaranteed to return a unique instance of the given Executor.
*
* @return an Executor value
*/
Executor getExecutor(Strategy inStrategy)
throws Exception
{
Constructor constructor = executorClass.getDeclaredConstructor(Strategy.class);
constructor.setAccessible(true);
return constructor.newInstance(inStrategy);
}
/**
* Create a new Language instance.
*
* @param inExecutor a Class<? extends Executor> value
*/
private Language(Class inExecutor)
{
executorClass = inExecutor;
}
}