/*
 * Copyright 2017 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.Collection;

import org.kie.internal.process.CorrelationKey;
import org.kie.api.runtime.process.ProcessInstance;

public interface ProcessInstanceManager {

    Collection<ProcessInstance> loadKnowledgeRuntimeProcessInstances();

    ProcessInstance getProcessInstance(long id);
    
    ProcessInstance getProcessInstance(long id, boolean readOnly);

    ProcessInstance getProcessInstance(CorrelationKey correlationKey);
    
    Collection<ProcessInstance> getProcessInstances();

    void addProcessInstance(ProcessInstance processInstance, CorrelationKey correlationKey);
    
    void internalAddProcessInstance(ProcessInstance processInstance);

    void removeProcessInstance(ProcessInstance processInstance);

    void internalRemoveProcessInstance(ProcessInstance processInstance);
    
    void clearProcessInstances();
    
    void clearProcessInstancesState();

}
