package org.activiti.crystalball.simulator;
/* 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.
*/
import java.util.Map;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.delegate.VariableScope;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
/**
* This class provides simulation run for replay purposes
* replay uses real time and running engine to execute simulation events.
*
* @author martin.grofcik
*/
public class ReplaySimulationRun extends AbstractSimulationRun {
private final EventCalendar eventCalendar;
public ReplaySimulationRun(ProcessEngine processEngine, Map<String, SimulationEventHandler> customEventHandlerMap) {
this(processEngine, new SimpleEventCalendar(processEngine.getProcessEngineConfiguration().getClock(), new SimulationEventComparator()), customEventHandlerMap);
}
public ReplaySimulationRun(ProcessEngine processEngine, EventCalendar eventCalendar, Map<String, SimulationEventHandler> customEventHandlerMap) {
super(customEventHandlerMap);
this.processEngine = processEngine;
this.eventCalendar = eventCalendar;
}
@Override
protected void initSimulationRunContext(VariableScope execution) {
SimulationRunContext.setEventCalendar(eventCalendar);
SimulationRunContext.setProcessEngine(processEngine);
ProcessEngineConfigurationImpl configuration = (ProcessEngineConfigurationImpl) processEngine.getProcessEngineConfiguration();
SimulationRunContext.setSimulationRunId(configuration.getIdGenerator().getNextId());
}
/**
* simulation does not end - it can live forever.
* @param event - is it end of the simulation run?
* @return false
*/
@Override
protected boolean simulationEnd(SimulationEvent event) {
return false;
}
/**
* do not affect existing engine
*/
@Override
public void close() {
SimulationRunContext.getEventCalendar().clear();
SimulationRunContext.removeEventCalendar();
SimulationRunContext.removeProcessEngine();
}
}