/**
 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jbpm.process.instance;

import java.util.List;

import org.jbpm.process.core.Context;
import org.jbpm.process.core.ContextContainer;

/**
 * 
 * @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
 */
public interface ContextInstanceContainer {
    
    List<ContextInstance> getContextInstances(String contextId);
    
    void addContextInstance(String contextId, ContextInstance contextInstance);
    
    void removeContextInstance(String contextId, ContextInstance contextInstance);
    
    // TODO: does it make sense to have more than one contextInstance
    // with the same contextId (e.g. multiple variable scope instances
    // sharing the same context instance container?
    ContextInstance getContextInstance(String contextId, long id);
    
    ContextInstance getContextInstance(Context context);
    
    ContextContainer getContextContainer();

}
