Пример #1
0
  public IStatus service(Command command, IProcess context)
      throws InterruptedException, CoreException {
    if (!(command instanceof RepeatWith)) {
      return Status.CANCEL_STATUS;
    }

    RepeatWith repeatWith = (RepeatWith) command;
    Command todo = repeatWith.getCommand();
    ISession session = context.getSession();
    for (Object cmd : repeatWith.getCommands()) {
      Command prefix = getCommand(cmd);
      IPipe pipe = session.createPipe();
      IStatus status = session.execute(prefix, null, pipe).waitFor();
      if (!status.isOK()) {
        return status;
      }
      IPipe output = session.createPipe();
      status = session.execute(todo, pipe, output).waitFor();
      if (!status.isOK()) {
        return status;
      }
      for (Object obj : CoreUtils.readPipeContent(output)) {
        context.getOutput().write(obj);
      }
    }
    return Status.OK_STATUS;
  }
Пример #2
0
  public IStatus service(Command command, IProcess context)
      throws InterruptedException, CoreException {
    if (!(command instanceof Let)) {
      return Status.CANCEL_STATUS;
    }

    Let let = (Let) command;
    DeclarationContainer locals = getLocals(context);

    boolean inputUsed = false;
    for (Declaration decl : let.getVals()) {
      if (!(decl instanceof Val)) {
        continue; // TODO other declarations support
      }
      Val val = (Val) decl;
      if (val.isInput()) {
        inputUsed = true;
        val.setValue(box(context.getInput().take(Long.MAX_VALUE)));
      }

      locals.declare(val.getName(), val);
    }

    return context
        .getSession()
        .execute(let.getBody(), inputUsed ? null : context.getInput(), context.getOutput())
        .waitFor();
  }
Пример #3
0
  protected static DeclarationContainer getLocals(IProcess context) {
    ISession session = context.getSession();
    if (!(session instanceof CommandSession)) {
      return null;
    }

    return ((CommandSession) session).getStack().getDeclarations();
  }
Пример #4
0
 public IStatus service(Command command, IProcess context)
     throws InterruptedException, CoreException {
   int paramInt = ((EmitEMFData) command).getParamInt();
   context.getOutput().write(paramInt);
   return Status.OK_STATUS;
 }