Package adams.flow.source

Class Scripted

  • All Implemented Interfaces:
    AdditionalInformationHandler, CleanUpHandler, Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, FileBasedScripting, FileBasedScriptingWithOptions, ShallowCopySupporter<Actor>, SizeOfHandler, Stoppable, StoppableWithFeedback, VariablesInspectionHandler, VariableChangeListener, Actor, ErrorHandler, OutputProducer, Serializable, Comparable
    public class Scripted
extends AbstractScriptingHandlerActor
implements OutputProducer
    A source that uses an external script for generating the token(s).

    Input/output:
    - generates:
       adams.flow.core.Unknown


    Valid options are: 

    -logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
    The logging level for outputting errors and debugging output.
    default: WARNING
 
    -name <java.lang.String> (property: name)
    The name of the actor.
    default: Script
 
    -annotation <adams.core.base.BaseText> (property: annotations)
    The annotations to attach to this actor.
    default: 
 
    -skip <boolean> (property: skip)
    If set to true, transformation is skipped and the input token is just forwarded 
    as it is.
    default: false
 
    -stop-flow-on-error <boolean> (property: stopFlowOnError)
    If set to true, the flow gets stopped in case this actor encounters an error;
     useful for critical actors.
    default: false
 
    -script <adams.core.io.PlaceholderFile> (property: scriptFile)
    The script file to load and execute.
    default: ${CWD}
 
    -options <java.lang.String> (property: scriptOptions)
    The options for the script; must consist of 'key=value' pairs separated 
    by blanks; the value of 'key' can be accessed via the 'getAdditionalOptions
    ().getXYZ("key")' method in the script actor.
    default: 
 
    -handler <adams.core.scripting.AbstractScriptingHandler> (property: handler)
    The handler to use for scripting.
    default: adams.core.scripting.Dummy
    Version:
    $Revision$
    Author:
    fracpete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form

    • Constructor Detail

      • Scripted

        public Scripted()

    • Method Detail

      • generates

        public Class[] generates()
        Returns the class of objects that it generates.
        Specified by:
        generates in interface OutputProducer
        Returns:
        adams.flow.core.Unknown.class

      • doExecute

        protected String doExecute()
        Executes the flow item.
        Specified by:
        doExecute in class AbstractActor
        Returns:
        null if everything is fine, otherwise error message

      • output

        public Token output()
        Returns the generated token.
        Specified by:
        output in interface OutputProducer
        Returns:
        the generated token

      • hasPendingOutput

        public boolean hasPendingOutput()
        Checks whether there is pending output to be collected after executing the flow item.
        Specified by:
        hasPendingOutput in interface OutputProducer
        Returns:
        true if there is pending output