tim@52: /**
tim@52:  *
tim@52:  */
tim@52: package de.intevation.gnv.transition;
tim@52: 
tim@52: import java.util.ArrayList;
tim@52: import java.util.Collection;
tim@52: 
tim@52: import org.apache.log4j.Logger;
tim@52: import org.w3c.dom.Document;
tim@52: import org.w3c.dom.Node;
tim@52: import org.w3c.dom.NodeList;
tim@52: 
tim@52: import de.intevation.artifactdatabase.Config;
tim@52: import de.intevation.gnv.artifacts.GNVArtifactBase;
tim@52: 
tim@52: /**
tim@52:  * @author Tim Englich <tim.englich@intevation.de>
tim@52:  *
tim@52:  */
tim@52: public abstract class TransitionBase implements Transition {
tim@52:     /**
tim@52:      * the logger, used to log exceptions and additonaly information
tim@52:      */
tim@52:     private static Logger log = Logger.getLogger(GNVArtifactBase.class);
tim@52:     
tim@52:     private String id = null;
tim@52:     
tim@52:     protected String queryID = null;
tim@52:     
tim@52:     private Collection<String> reachableTransitions = null;
tim@52:     
tim@52:     private Transition parent = null;
tim@52:     /**
tim@52:      * Constructor
tim@52:      */
tim@52:     public TransitionBase() {
tim@52:         super();
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.gnv.transition.Transition#getID()
tim@52:      */
tim@52:     public String getID() {
tim@52:         return this.id;
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.gnv.transition.Transition#reachableTransitions()
tim@52:      */
tim@52:     public Collection<String> reachableTransitions() {
tim@52:         return this.reachableTransitions;
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.gnv.transition.Transition#setup(org.w3c.dom.Node)
tim@52:      */
tim@52:     public void setup(Node configuration) {
tim@52:         
tim@52:         this.id = Config.getStringXPath(configuration,"@id");
tim@52:         log.info("Transition-ID = "+ this.id);
tim@52:         NodeList nodes = Config.getNodeSetXPath(configuration,"reachableTransitions/transition");
tim@52:         this.reachableTransitions = new ArrayList<String>(nodes.getLength());
tim@52:         for (int i = 0 ; i < nodes.getLength(); i++){
tim@52:             String reachableTransition = nodes.item(i).getTextContent();
tim@52:             log.info("ReachableTransition ==> "+ reachableTransition);
tim@52:             this.reachableTransitions.add(reachableTransition);
tim@52:             
tim@52:         }
tim@52:         this.queryID = Config.getStringXPath(configuration,"queryID");
tim@52:         log.info("QueryID ==>"+ this.queryID);
tim@52:         
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.gnv.transition.Transition#getParent()
tim@52:      */
tim@52:     public Transition getParent() {
tim@52:         return this.parent;
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.gnv.transition.Transition#setParent(de.intevation.gnv.transition.Transition)
tim@52:      */
tim@52:     public void setParent(Transition transition) {
tim@52:         this.parent = transition;
tim@52:     }
tim@52: }