/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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());
}
}