tim@61: /**
tim@61:  *
tim@61:  */
tim@61: package de.intevation.gnv.transition;
tim@61: 
tim@61: import java.util.ArrayList;
tim@61: import java.util.Collection;
tim@61: 
tim@61: import org.apache.log4j.Logger;
tim@61: 
tim@61: import de.intevation.gnv.geobackend.base.Result;
tim@61: import de.intevation.gnv.transition.describedata.DefaultMinMaxDescribeData;
tim@61: import de.intevation.gnv.transition.describedata.DescribeData;
tim@61: 
tim@61: /**
tim@61:  * @author Tim Englich <tim.englich@intevation.de>
tim@171:  * 
tim@61:  */
tim@61: public class MinMaxTransition extends TransitionBase {
tim@171: 
tim@61:     /**
tim@61:      * the logger, used to log exceptions and additonaly information
tim@61:      */
tim@61:     private static Logger log = Logger.getLogger(MinMaxTransition.class);
tim@171: 
tim@61:     /**
tim@61:      * Constructor
tim@61:      */
tim@61:     public MinMaxTransition() {
tim@61:         super();
tim@61:     }
tim@171: 
tim@61:     /**
tim@171:      * @see de.intevation.gnv.transition.TransitionBase#purifyResult(java.util.Collection,
tim@171:      *      java.lang.String)
tim@61:      */
tim@61:     @Override
tim@99:     protected void purifyResult(Collection<Result> result, String uuid) {
tim@61:         log.debug("MinMaxTransition.purifyResult");
tim@171:         if (this.descibeData == null) {
tim@61:             this.descibeData = new ArrayList<Object>();
tim@61:         }
tim@171:         if (result != null && result.size() == 1) {
tim@171: 
tim@190:             String minName = this.dataName;
tim@190:             String maxName = this.dataName;
tim@61:             Result value = result.iterator().next();
tim@171:             DescribeData describeData = new DefaultMinMaxDescribeData(minName,
tim@171:                     maxName, value.getObject("MIN"), value.getObject("MAX"));
tim@61:             log.debug(describeData.toString());
tim@61:             this.descibeData.add(describeData);
tim@171:         } else {
tim@61:             log.warn("Result cannot be handled as MinMax Resultset");
tim@61:         }
tim@171: 
tim@61:     }
tim@61: 
tim@61:     /**
tim@61:      * @see de.intevation.gnv.transition.Transition#validate()
tim@61:      */
tim@61:     public boolean validate() {
tim@61:         // TODO: Implement ME
tim@61:         return true;
tim@61:     }
tim@61: 
tim@61: }