view gnv-artifacts/src/main/java/de/intevation/gnv/state/MinMaxState.java @ 605:e8ebdbc7f1e3

First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog). gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 09 Feb 2010 14:27:55 +0000
parents a6a33ef35809
children 292fbcd5e9ac
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line source
/**
 *
 */
package de.intevation.gnv.state;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.apache.log4j.Logger;

import de.intevation.gnv.geobackend.base.Result;
import de.intevation.gnv.state.describedata.DefaultMinMaxDescribeData;
import de.intevation.gnv.state.describedata.DescribeData;

/**
 * @author Tim Englich <tim.englich@intevation.de>
 * 
 */
public class MinMaxState extends StateBase {

    /**
     * The UID of this Class
     */
    private static final long serialVersionUID = -3525903792105187408L;
    /**
     * the logger, used to log exceptions and additonaly information
     */
    private static Logger log = Logger.getLogger(MinMaxState.class);

    /**
     * Constructor
     */
    public MinMaxState() {
        super();
    }

    /**
     * @see de.intevation.gnv.state.StateBase#purifyResult(java.util.Collection,
     *      java.lang.String)
     */
    @Override
    protected void purifyResult(Collection<Result> result, String uuid) {
        log.debug("MinMaxState.purifyResult");
        List<Object> describeData = this.getDescibeData(uuid);
        if (describeData == null) {
            describeData = new ArrayList<Object>();
        }
        if (result != null && result.size() == 1) {
            
            Result value = result.iterator().next();
            DescribeData values = new DefaultMinMaxDescribeData(
                dataName, 
                value.getObject("MIN"), 
                value.getObject("MAX"),
                getID());
            log.debug(values.toString());
            describeData.add(values);
        } else {
            log.warn("Result cannot be handled as MinMax Resultset");
        }
        this.setDescibeData(uuid, describeData);
    }

}

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