/// <summary>
/// 添加一个执行器到队列queuedInvocations并执行
/// </summary>
/// <param name="executionOperation">执行器</param>
/// <param name="execution"></param>
/// <param name="performAsync">是否异步</param>
public virtual void PerformOperation(IAtomicOperation executionOperation, ExecutionEntity execution,
bool performAsync)
{
AtomicOperationInvocation invocation = new AtomicOperationInvocation(executionOperation, execution, performAsync);
queuedInvocations.Enqueue(invocation);//.Insert(0, invocation);
PerformNext();
}
protected internal virtual void InvokeNext()
{
//AtomicOperationInvocation invocation = queuedInvocations.RemoveAt(0);
AtomicOperationInvocation invocation = queuedInvocations.Dequeue();; //.FirstOrDefault();
//TODO 暂时取消异常拦截
try
{
invocation.Execute(BpmnStackTrace);
}
catch (System.Exception e)
{
// log bpmn stacktrace
BpmnStackTrace.PrintStackTrace(Context.ProcessEngineConfiguration.BpmnStacktraceVerbose);
TrySetThrowable(e);
Rethrow();
}
}
protected internal virtual void WriteInvocation(AtomicOperationInvocation invocation, StringWriter writer)
{
writer.Write("\t");
writer.Write(invocation.ActivityId);
writer.Write(" (");
writer.Write(invocation.Operation.CanonicalName);
writer.Write(", ");
writer.Write(invocation.Execution.ToString());
if (invocation.PerformAsync)
{
writer.Write(", ASYNC");
}
if (!ReferenceEquals(invocation.ApplicationContextName, null))
{
writer.Write(", pa=");
writer.Write(invocation.ApplicationContextName);
}
writer.Write(")\n");
}
public virtual void Add(AtomicOperationInvocation atomicOperationInvocation)
{
PerfromedInvocations.Add(atomicOperationInvocation);
}