package org.drools.process.instance.impl;
import java.util.HashMap;
import java.util.Map;
import org.drools.process.core.Context;
import org.drools.process.core.context.exception.ExceptionScope;
import org.drools.process.core.context.swimlane.SwimlaneContext;
import org.drools.process.core.context.variable.VariableScope;
import org.drools.process.instance.context.exception.DefaultExceptionScopeInstance;
import org.drools.process.instance.context.swimlane.SwimlaneContextInstance;
import org.drools.process.instance.context.variable.VariableScopeInstance;
import org.drools.process.instance.impl.factory.ReuseContextInstanceFactory;
public class ContextInstanceFactoryRegistry {
public static final ContextInstanceFactoryRegistry INSTANCE =
new ContextInstanceFactoryRegistry();
private Map<Class<? extends Context>, ContextInstanceFactory> registry;
public ContextInstanceFactoryRegistry() {
this.registry = new HashMap<Class<? extends Context>, ContextInstanceFactory>();
// hard wired contexts:
register(VariableScope.class, new ReuseContextInstanceFactory(
VariableScopeInstance.class));
register(ExceptionScope.class, new ReuseContextInstanceFactory(
DefaultExceptionScopeInstance.class));
register(SwimlaneContext.class, new ReuseContextInstanceFactory(
SwimlaneContextInstance.class));
}
public void register(Class<? extends Context> cls,
ContextInstanceFactory factory) {
this.registry.put(cls, factory);
}
public ContextInstanceFactory getContextInstanceFactory(Context context) {
return this.registry.get(context.getClass());
}
}