Package org.apache.sling.scripting.sightly.compiler.commands

Interface CommandHandler

  • @ProviderType
public interface CommandHandler
    The CommandHandler is the mechanism through which a CommandStream can be processed synchronously, as the stream is written.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void onDone()
      This method is called when the stream has been closed.
      void onEmit​(Command command)
      Allows this handler to process the Command that was just written into the stream to which this handler was attached.
      void onError​(java.lang.String errorMessage)
      Allows this handler to process error states.

    • Method Detail

      • onEmit

        void onEmit​(Command command)
        Allows this handler to process the Command that was just written into the stream to which this handler was attached.
        Parameters:
        command - the received command

      • onError

        void onError​(java.lang.String errorMessage)
        Allows this handler to process error states.
        Parameters:
        errorMessage - the error's message

      • onDone

        void onDone()
        This method is called when the stream has been closed. The contract is that after this call, no other commands or errors will be emitted.