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package org.activiti.engine.impl.event.logger.handler;

import org.activiti.engine.delegate.event.ActivitiEntityEvent;
import org.activiti.engine.delegate.event.ActivitiEntityWithVariablesEvent;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.EventLogEntryEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;

import java.util.HashMap;
import java.util.Map;

/**

 */
public class TaskCompletedEventHandler extends AbstractTaskEventHandler {

  @Override
  public EventLogEntryEntity generateEventLogEntry(CommandContext commandContext) {
    
    ActivitiEntityEvent activitiEntityEvent = (ActivitiEntityEvent) event;

    TaskEntity task = (TaskEntity) activitiEntityEvent.getEntity();
    Map data = handleCommonTaskFields(task);

    long duration = timeStamp.getTime() - task.getCreateTime().getTime();
    putInMapIfNotNull(data, Fields.DURATION, duration);

    if (event instanceof ActivitiEntityWithVariablesEvent) {
      ActivitiEntityWithVariablesEvent activitiEntityWithVariablesEvent = (ActivitiEntityWithVariablesEvent) event;
      if (activitiEntityWithVariablesEvent.getVariables() != null && !activitiEntityWithVariablesEvent.getVariables().isEmpty()) {
        Map variableMap = new HashMap();
        for (Object variableName : activitiEntityWithVariablesEvent.getVariables().keySet()) {
          putInMapIfNotNull(variableMap, (String) variableName, activitiEntityWithVariablesEvent.getVariables().get(variableName));
        }
        if (activitiEntityWithVariablesEvent.isLocalScope()) {
          putInMapIfNotNull(data, Fields.LOCAL_VARIABLES, variableMap);
        } else {
          putInMapIfNotNull(data, Fields.VARIABLES, variableMap);
        }
      }
  
    }
    
    return createEventLogEntry(task.getProcessDefinitionId(), task.getProcessInstanceId(), task.getExecutionId(), task.getId(), data);
  }

}