package org.lsst.ccs.localdb.statusdb.server;
   
   import java.io.Serializable;
   import java.util.HashMap;
   import java.util.List;
   import java.util.Map;
   
   import javax.xml.bind.JAXBContext;
   import javax.xml.bind.JAXBException;
  import javax.xml.bind.Marshaller;
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  
  import org.lsst.ccs.localdb.statusdb.server.TrendingData.AxisValue;
  import org.lsst.ccs.localdb.statusdb.server.TrendingData.DataValue;
  
  /**
   * Data that the data server sends back to a request.
   */
  
  @XmlRootElement(name = "data")
  @XmlType(propOrder = { "params", "trendingResult" })
  public class Data implements Serializable {
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = -4852091712986749775L;
  	Map<String, String> params = new HashMap<String, String>();
  
  	@XmlElement
  	List<HashMapEntry4XML> getParams() {
  		return HashMapEntry4XML.marshal(params);
  	}
  
  	TrendingResult result = new TrendingResult();
  
  	@XmlElement(name = "trendingresult")
  	public TrendingResult getTrendingResult() {
  		return result;
  	}
  
  	public void setTrendingResult(TrendingResult result) {
  		this.result = result;
  	}
          
          public void setDataMetaData(List<ChannelMetaData> list) {
              result.setChannelMetadata(list);
          }
  
  	// basic testing of XML marshalling
  	public static void main(String[] args) throws JAXBException {
  		// check marshalling
  		Data d = new Data();
  
  		d.params.put("key1", "value1");
  		d.params.put("key2", "value2");
  		d.result = new TrendingResult();
  //		d.result.metadata.put("metakey1", "metavalue1");
  //		d.result.metadata.put("metakey2", "metavalue2");
  		d.result.data = new TrendingData[10];
  		for (int i = 0; i < 10; i++) {
  			TrendingData dt = new TrendingData();
  			d.result.data[i] = dt;
  			dt.axisvalue = new AxisValue("time", System.currentTimeMillis());
  			dt.datavalue = new DataValue[2];
  			dt.datavalue[0] = new DataValue("data", 1.0);
  			dt.datavalue[1] = new DataValue("data", 2.0);
  		}
  
  		JAXBContext jc = JAXBContext.newInstance(Data.class);
  		Marshaller m = jc.createMarshaller();
  		m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
  		m.marshal(d, System.out);
  	}
  
  }