import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
@Override
protected void initJobExecutor() 
{
    super.initJobExecutor();

    // Wrap timer-job handler to handle authentication
    JobHandler timerJobHandler = jobHandlers.get(TimerExecuteNestedActivityJobHandler.TYPE);
    JobHandler wrappingTimerJobHandler = new AuthenticatedTimerJobHandler(timerJobHandler, unprotectedNodeService);
    jobHandlers.put(TimerExecuteNestedActivityJobHandler.TYPE, wrappingTimerJobHandler);
    
    // Wrap async-job handler to handle authentication
    JobHandler asyncJobHandler = jobHandlers.get(AsyncContinuationJobHandler.TYPE);
    JobHandler wrappingAsyncJobHandler = new AuthenticatedAsyncJobHandler(asyncJobHandler);
    jobHandlers.put(AsyncContinuationJobHandler.TYPE, wrappingAsyncJobHandler);
    
    // Wrap intermediate-timer-job handler to handle authentication
    JobHandler intermediateJobHandler = jobHandlers.get(TimerCatchIntermediateEventJobHandler.TYPE);
    JobHandler wrappingIntermediateJobHandler = new AuthenticatedAsyncJobHandler(intermediateJobHandler);
    jobHandlers.put(TimerCatchIntermediateEventJobHandler.TYPE, wrappingIntermediateJobHandler);
    
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public void execute(CommandContext commandContext) {
    ExecutionEntity execution = null;
    if (executionId != null) {
        execution = commandContext.getExecutionEntityManager().findExecutionById(executionId);
    }

    Map<String, JobHandler> jobHandlers = Context.getProcessEngineConfiguration().getJobHandlers();
    JobHandler jobHandler = jobHandlers.get(jobHandlerType);
    jobHandler.execute(this, jobHandlerConfiguration, execution, commandContext);
    delete();

    if (repeat != null) {
        TimerJobEntity timerRepeatJob = new TimerJobEntity(this);
        timerRepeatJob.scheduleNewTimer(commandContext);
    }
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public AuthenticatedAsyncJobHandler(JobHandler jobHandler) 
{
    if (jobHandler == null)
    {
        throw new IllegalArgumentException("JobHandler to delegate to is required");
    }
    this.wrappedHandler = jobHandler;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
/**
 * @param jobHandler the {@link JobHandler} to wrap.
 * @param nodeService the UNPROTECTED {@link NodeService} to use for fetching initiator username
 * when only tenant is known. We can't use initiator ScriptNode for this, because this uses the
 * protected {@link NodeService} which requires an authenticated user in that tenant (see {@link #getInitiator(ActivitiScriptNode)}).
 */
public AuthenticatedTimerJobHandler(JobHandler jobHandler, NodeService nodeService) 
{
    if (jobHandler == null)
    {
        throw new IllegalArgumentException("JobHandler to delegate to is required");
    }
    if(nodeService == null)
    {
        throw new IllegalArgumentException("NodeService is required");
    }
    this.unprotectedNodeService = nodeService;
    this.wrappedHandler = jobHandler;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
protected void initJobHandlers() {
    jobHandlers = new HashMap<>();
    TimerExecuteNestedActivityJobHandler timerExecuteNestedActivityJobHandler = new TimerExecuteNestedActivityJobHandler();
    jobHandlers.put(timerExecuteNestedActivityJobHandler.getType(), timerExecuteNestedActivityJobHandler);

    TimerCatchIntermediateEventJobHandler timerCatchIntermediateEvent = new TimerCatchIntermediateEventJobHandler();
    jobHandlers.put(timerCatchIntermediateEvent.getType(), timerCatchIntermediateEvent);

    TimerStartEventJobHandler timerStartEvent = new TimerStartEventJobHandler();
    jobHandlers.put(timerStartEvent.getType(), timerStartEvent);

    AsyncContinuationJobHandler asyncContinuationJobHandler = new AsyncContinuationJobHandler();
    jobHandlers.put(asyncContinuationJobHandler.getType(), asyncContinuationJobHandler);

    ProcessEventJobHandler processEventJobHandler = new ProcessEventJobHandler();
    jobHandlers.put(processEventJobHandler.getType(), processEventJobHandler);

    TimerSuspendProcessDefinitionHandler suspendProcessDefinitionHandler = new TimerSuspendProcessDefinitionHandler();
    jobHandlers.put(suspendProcessDefinitionHandler.getType(), suspendProcessDefinitionHandler);

    TimerActivateProcessDefinitionHandler activateProcessDefinitionHandler = new TimerActivateProcessDefinitionHandler();
    jobHandlers.put(activateProcessDefinitionHandler.getType(), activateProcessDefinitionHandler);

    // if we have custom job handlers, register them
    if (getCustomJobHandlers() != null) {
        for (JobHandler customJobHandler : getCustomJobHandlers()) {
            jobHandlers.put(customJobHandler.getType(), customJobHandler);
        }
    }
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public void execute(CommandContext commandContext) {

        // set endDate if it was set to the definition
        restoreExtraData(commandContext, jobHandlerConfiguration);

        if (this.getDuedate() != null && !isValidTime(this.getDuedate())) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Timer {} fired. but the dueDate is after the endDate.  Deleting timer.", getId());
            }
            delete();
            return;
        }

        ExecutionEntity execution = null;
        if (executionId != null) {
            execution = commandContext.getExecutionEntityManager().findExecutionById(executionId);
        }

        Map<String, JobHandler> jobHandlers = Context.getProcessEngineConfiguration().getJobHandlers();
        JobHandler jobHandler = jobHandlers.get(jobHandlerType);
        jobHandler.execute(this, jobHandlerConfiguration, execution, commandContext);

        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Timer {} fired. Deleting timer.", getId());
        }
        delete();

        scheduleNextTimerIfRepeat();
    }
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public void execute(CommandContext commandContext) {
  ExecutionEntity execution = null;
  if (executionId != null) {
    execution = commandContext.getExecutionManager().findExecutionById(executionId);
  }

  Map<String, JobHandler> jobHandlers = Context.getProcessEngineConfiguration().getJobHandlers();
  JobHandler jobHandler = jobHandlers.get(jobHandlerType);

  jobHandler.execute(jobHandlerConfiguration, execution, commandContext);
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public void execute(CommandContext commandContext) {
  ExecutionEntity execution = null;
  if (executionId != null) {
    execution = commandContext.getExecutionEntityManager().findExecutionById(executionId);
  }

  Map<String, JobHandler> jobHandlers = Context.getProcessEngineConfiguration().getJobHandlers();
  JobHandler jobHandler = jobHandlers.get(jobHandlerType);

  jobHandler.execute(this, jobHandlerConfiguration, execution, commandContext);
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public Map<String, JobHandler> getJobHandlers() {
    return jobHandlers;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public ProcessEngineConfigurationImpl setJobHandlers(Map<String, JobHandler> jobHandlers) {
    this.jobHandlers = jobHandlers;
    return this;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public List<JobHandler> getCustomJobHandlers() {
    return customJobHandlers;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public ProcessEngineConfigurationImpl setCustomJobHandlers(List<JobHandler> customJobHandlers) {
    this.customJobHandlers = customJobHandlers;
    return this;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public Map<String, JobHandler> getJobHandlers() {
  return jobHandlers;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public ProcessEngineConfigurationImpl setJobHandlers(Map<String, JobHandler> jobHandlers) {
  this.jobHandlers = jobHandlers;
  return this;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public List<JobHandler> getCustomJobHandlers() {
  return customJobHandlers;
}
 

import org.activiti.engine.impl.jobexecutor.JobHandler; //导入依赖的package包/类
public ProcessEngineConfigurationImpl setCustomJobHandlers(List<JobHandler> customJobHandlers) {
  this.customJobHandlers = customJobHandlers;
  return this;
}