Class BasePipelineStep

    • Constructor Detail

      • BasePipelineStep

        public BasePipelineStep()
    • Method Detail

      • getParameters

        public IParameters getParameters()
        Description copied from interface: IPipelineStep
        Gets the current parameters for this step.
        Specified by:
        getParameters in interface IPipelineStep
        Returns:
        the current parameters for this step or null if there are no parameters.
      • setParameters

        public void setParameters​(IParameters params)
        Description copied from interface: IPipelineStep
        Sets new parameters for this step.
        Specified by:
        setParameters in interface IPipelineStep
        Parameters:
        params - the new parameters to use.
      • isDone

        public boolean isDone()
        Description copied from interface: IPipelineStep
        Steps that can generate Events such as IFilters return false until no more events can be created. Steps which do not create Events always return true.
        Specified by:
        isDone in interface IPipelineStep
        Returns:
        false if can generate more events, true otherwise.
      • getHelpLocation

        public String getHelpLocation()
        Description copied from interface: IPipelineStep
        Gets the relative directory location for the help of this step. The main help file for the step must be at that location and its name must be the name of the class implementing the step in lowercase with a .html extension.
        Specified by:
        getHelpLocation in interface IPipelineStep
        Returns:
        the relative directory location for the help of this step.
      • handleEvent

        public Event handleEvent​(Event event)
        Description copied from interface: IPipelineStep
        Processes each event sent though the pipeline.
        Specified by:
        handleEvent in interface IPipelineStep
        Parameters:
        event - the event to process.
        Returns:
        the event to pass down the pipeline.
      • cancel

        public void cancel()
        Description copied from interface: IPipelineStep
        Cancel processing on this pipeline. Each IPipelineStep is responsible to implement a cancel method that will interrupt long running operations
        Specified by:
        cancel in interface IPipelineStep
      • destroy

        public void destroy()
        Description copied from interface: IPipelineStep
        Executes any cleanup code for this step. Called once at the end of the pipeline lifecycle.
        Specified by:
        destroy in interface IPipelineStep
      • isLastOutputStep

        public boolean isLastOutputStep()
        Description copied from interface: IPipelineStep
        Is this step the last step with output in the pipeline?
        Specified by:
        isLastOutputStep in interface IPipelineStep
        Returns:
        true if last step with output, false otherwise.
      • setLastOutputStep

        public void setLastOutputStep​(boolean isLastStep)
        Description copied from interface: IPipelineStep
        Tell the step if it is the last one on the pipeline with output.
        Specified by:
        setLastOutputStep in interface IPipelineStep
        Parameters:
        isLastStep - true if last step with output, false otherwise.
      • handleStartBatch

        protected Event handleStartBatch​(Event event)
        Handles the EventType.START_BATCH event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndBatch

        protected Event handleEndBatch​(Event event)
        Handles the EventType.END_BATCH event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleStartBatchItem

        protected Event handleStartBatchItem​(Event event)
        Handles the EventType.START_BATCH_ITEM event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndBatchItem

        protected Event handleEndBatchItem​(Event event)
        Handles the EventType.END_BATCH_ITEM event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleRawDocument

        protected Event handleRawDocument​(Event event)
        Handles the EventType.RAW_DOCUMENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleStartDocument

        protected Event handleStartDocument​(Event event)
        Handles the EventType.START_DOCUMENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndDocument

        protected Event handleEndDocument​(Event event)
        Handles the EventType.END_DOCUMENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleStartSubDocument

        protected Event handleStartSubDocument​(Event event)
        Handles the EventType.START_SUBDOCUMENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndSubDocument

        protected Event handleEndSubDocument​(Event event)
        Handles the EventType.END_SUBDOCUMENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleStartGroup

        protected Event handleStartGroup​(Event event)
        Handles the EventType.START_GROUP event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndGroup

        protected Event handleEndGroup​(Event event)
        Handles the EventType.END_GROUP event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleTextUnit

        protected Event handleTextUnit​(Event event)
        Handles the EventType.TEXT_UNIT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleDocumentPart

        protected Event handleDocumentPart​(Event event)
        Handles the EventType.DOCUMENT_PART event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleCustom

        protected Event handleCustom​(Event event)
        Handles the EventType.CUSTOM event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleMultiEvent

        protected Event handleMultiEvent​(Event event)
        Handles the EventType#MULTI_EVENT event.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.
      • handleEndSubfilter

        protected Event handleEndSubfilter​(Event event)
      • handleStartSubfilter

        protected Event handleStartSubfilter​(Event event)
      • handlePipelineParameters

        protected Event handlePipelineParameters​(Event event)
        Handles the EventType#PIPELINE_PARAMETERS event. This method relies on the configuration parameters set in each step to set the corresponding values.
        Parameters:
        event - event to handle.
        Returns:
        the event returned.